WO1994029234A1 - Novel ceramic ferroelectric material - Google Patents
Novel ceramic ferroelectric material Download PDFInfo
- Publication number
- WO1994029234A1 WO1994029234A1 PCT/US1994/005138 US9405138W WO9429234A1 WO 1994029234 A1 WO1994029234 A1 WO 1994029234A1 US 9405138 W US9405138 W US 9405138W WO 9429234 A1 WO9429234 A1 WO 9429234A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- strontium titanate
- alumina
- barium strontium
- dielectric constant
- low dielectric
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
- H01Q3/36—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means with variable phase-shifters
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
- C04B35/111—Fine ceramics
- C04B35/117—Composites
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
- C04B35/462—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates
- C04B35/465—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
- C04B35/49—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates containing also titanium oxides or titanates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Composite Materials (AREA)
- Inorganic Insulating Materials (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950705561A KR960702824A (en) | 1993-06-09 | 1994-05-12 | Novel ceramic ferroelectric material |
JP7501779A JPH08511501A (en) | 1993-06-09 | 1994-05-12 | Novel ceramic ferroelectric material |
EP94921180A EP0705231A4 (en) | 1993-06-09 | 1994-05-12 | Novel ceramic ferroelectric material |
AU72000/94A AU7200094A (en) | 1993-06-09 | 1994-05-12 | Novel ceramic ferroelectric material |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/076,291 | 1993-06-09 | ||
US08/076,291 US5312790A (en) | 1993-06-09 | 1993-06-09 | Ceramic ferroelectric material |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1994029234A1 true WO1994029234A1 (en) | 1994-12-22 |
Family
ID=22131064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1994/005138 WO1994029234A1 (en) | 1993-06-09 | 1994-05-12 | Novel ceramic ferroelectric material |
Country Status (7)
Country | Link |
---|---|
US (3) | US5312790A (en) |
EP (1) | EP0705231A4 (en) |
JP (1) | JPH08511501A (en) |
KR (2) | KR960702824A (en) |
AU (1) | AU7200094A (en) |
CA (1) | CA2164595A1 (en) |
WO (1) | WO1994029234A1 (en) |
Families Citing this family (219)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5557286A (en) * | 1994-06-15 | 1996-09-17 | The Penn State Research Foundation | Voltage tunable dielectric ceramics which exhibit low dielectric constants and applications thereof to antenna structure |
US5693429A (en) * | 1995-01-20 | 1997-12-02 | The United States Of America As Represented By The Secretary Of The Army | Electronically graded multilayer ferroelectric composites |
US6676935B2 (en) | 1995-06-27 | 2004-01-13 | Cell Genesys, Inc. | Tissue specific adenoviral vectors |
US5807642A (en) * | 1995-11-20 | 1998-09-15 | Xue; Liang An | Solid oxide fuel cell stacks with barium and strontium ceramic bodies |
US5635433A (en) * | 1995-09-11 | 1997-06-03 | The United States Of America As Represented By The Secretary Of The Army | Ceramic ferroelectric composite material-BSTO-ZnO |
US5635434A (en) * | 1995-09-11 | 1997-06-03 | The United States Of America As Represented By The Secretary Of The Army | Ceramic ferroelectric composite material-BSTO-magnesium based compound |
US5846893A (en) * | 1995-12-08 | 1998-12-08 | Sengupta; Somnath | Thin film ferroelectric composites and method of making |
US5766697A (en) * | 1995-12-08 | 1998-06-16 | The United States Of America As Represented By The Secretary Of The Army | Method of making ferrolectric thin film composites |
KR100215861B1 (en) * | 1996-03-13 | 1999-08-16 | 구본준 | Dielectric thin film fabrication and semiconductor memory device fabrication method |
US5830591A (en) * | 1996-04-29 | 1998-11-03 | Sengupta; Louise | Multilayered ferroelectric composite waveguides |
WO1998000881A1 (en) * | 1996-06-28 | 1998-01-08 | Superconducting Core Technologies, Inc. | Near resonant cavity tuning devices |
US5820942A (en) * | 1996-12-20 | 1998-10-13 | Ag Associates | Process for depositing a material on a substrate using light energy |
US6096127A (en) * | 1997-02-28 | 2000-08-01 | Superconducting Core Technologies, Inc. | Tuneable dielectric films having low electrical losses |
JP3487539B2 (en) * | 1997-05-06 | 2004-01-19 | 太陽誘電株式会社 | Dielectric porcelain |
US6034015A (en) * | 1997-05-14 | 2000-03-07 | Georgia Tech Research Corporation | Ceramic compositions for microwave wireless communication |
JP3301380B2 (en) * | 1997-06-27 | 2002-07-15 | 株式会社村田製作所 | Piezoelectric ceramic sintered body, piezoelectric ceramic element, laminated piezoelectric ceramic element, and method of manufacturing piezoelectric ceramic sintered body |
US6063719A (en) * | 1997-09-04 | 2000-05-16 | The United States Of America As Represented By The Secretary Of The Army | Ceramic ferrite/ferroelectric composite material |
US6091371A (en) * | 1997-10-03 | 2000-07-18 | Motorola, Inc. | Electronic scanning reflector antenna and method for using same |
KR20010089305A (en) | 1998-10-16 | 2001-09-29 | 추후기재 | Voltage tunable laminated dielectric materials for microwave applications |
US6071555A (en) * | 1998-11-05 | 2000-06-06 | The United States Of America As Represented By The Secretary Of The Army | Ferroelectric thin film composites made by metalorganic decomposition |
US6074971A (en) * | 1998-11-13 | 2000-06-13 | The United States Of America As Represented By The Secretary Of The Army | Ceramic ferroelectric composite materials with enhanced electronic properties BSTO-Mg based compound-rare earth oxide |
US6113761A (en) | 1999-06-02 | 2000-09-05 | Johnson Matthey Electronics, Inc. | Copper sputtering target assembly and method of making same |
US6858102B1 (en) * | 2000-11-15 | 2005-02-22 | Honeywell International Inc. | Copper-containing sputtering targets, and methods of forming copper-containing sputtering targets |
US6333719B1 (en) | 1999-06-17 | 2001-12-25 | The Penn State Research Foundation | Tunable electromagnetic coupled antenna |
WO2001015260A1 (en) | 1999-08-24 | 2001-03-01 | Paratek Microwave, Inc. | Voltage tunable coplanar phase shifters |
US6215644B1 (en) | 1999-09-09 | 2001-04-10 | Jds Uniphase Inc. | High frequency tunable capacitors |
EP1212809B1 (en) | 1999-09-14 | 2004-03-31 | Paratek Microwave, Inc. | Serially-fed phased array antennas with dielectric phase shifters |
DE19946437A1 (en) | 1999-09-28 | 2001-04-12 | Infineon Technologies Ag | Ferroelectric transistor |
US6556102B1 (en) | 1999-11-18 | 2003-04-29 | Paratek Microwave, Inc. | RF/microwave tunable delay line |
AU1609501A (en) | 1999-11-24 | 2001-06-04 | Honeywell International, Inc. | Physical vapor deposition targets, conductive integrated circuit metal alloy interconnections, electroplating anodes, and metal alloys for use as a conductive interconnection in an integrated circuit |
US6496351B2 (en) | 1999-12-15 | 2002-12-17 | Jds Uniphase Inc. | MEMS device members having portions that contact a substrate and associated methods of operating |
US6229684B1 (en) | 1999-12-15 | 2001-05-08 | Jds Uniphase Inc. | Variable capacitor and associated fabrication method |
US6451222B1 (en) | 1999-12-16 | 2002-09-17 | Honeywell International Inc. | Ferroelectric composition, ferroelectric vapor deposition target and method of making a ferroelectric vapor deposition target |
US6693033B2 (en) | 2000-02-10 | 2004-02-17 | Motorola, Inc. | Method of removing an amorphous oxide from a monocrystalline surface |
US6985050B2 (en) | 2000-04-20 | 2006-01-10 | Paratek Microwave, Inc. | Waveguide-finline tunable phase shifter |
AU2001259372A1 (en) | 2000-05-02 | 2001-11-12 | Paratek Microwave, Inc. | Microstrip phase shifter |
EP1290752A1 (en) | 2000-05-02 | 2003-03-12 | Paratek Microwave, Inc. | Voltage tuned dielectric varactors with bottom electrodes |
JP4569791B2 (en) * | 2000-05-25 | 2010-10-27 | ソニー株式会社 | Video processing apparatus and method, and recording medium |
US7056468B2 (en) * | 2000-06-15 | 2006-06-06 | Paratek Microwave, Inc. | Method for producing low-loss tunable ceramic composites with improved breakdown strengths |
US6774077B2 (en) * | 2001-01-24 | 2004-08-10 | Paratek Microwave, Inc. | Electronically tunable, low-loss ceramic materials including a tunable dielectric phase and multiple metal oxide phases |
US6905989B2 (en) | 2001-06-01 | 2005-06-14 | Paratek Microwave, Inc. | Tunable dielectric compositions including low loss glass |
US6514895B1 (en) | 2000-06-15 | 2003-02-04 | Paratek Microwave, Inc. | Electronically tunable ceramic materials including tunable dielectric and metal silicate phases |
US6737179B2 (en) | 2000-06-16 | 2004-05-18 | Paratek Microwave, Inc. | Electronically tunable dielectric composite thick films and methods of making same |
US7865154B2 (en) * | 2000-07-20 | 2011-01-04 | Paratek Microwave, Inc. | Tunable microwave devices with auto-adjusting matching circuit |
WO2002009269A1 (en) | 2000-07-20 | 2002-01-31 | Paratek Microwave, Inc. | Voltage controlled oscillators including tunable dielectric devices |
US8064188B2 (en) | 2000-07-20 | 2011-11-22 | Paratek Microwave, Inc. | Optimized thin film capacitors |
US8744384B2 (en) | 2000-07-20 | 2014-06-03 | Blackberry Limited | Tunable microwave devices with auto-adjusting matching circuit |
EP1301960A1 (en) | 2000-07-20 | 2003-04-16 | Paratek Microwave, Inc. | Tunable microwave devices with auto-adjusting matching circuit |
EP1312132A1 (en) | 2000-08-22 | 2003-05-21 | Paratek Microwave, Inc. | Combline filters with tunable dielectric capacitors |
US6377440B1 (en) | 2000-09-12 | 2002-04-23 | Paratek Microwave, Inc. | Dielectric varactors with offset two-layer electrodes |
US6638838B1 (en) | 2000-10-02 | 2003-10-28 | Motorola, Inc. | Semiconductor structure including a partially annealed layer and method of forming the same |
US6683513B2 (en) | 2000-10-26 | 2004-01-27 | Paratek Microwave, Inc. | Electronically tunable RF diplexers tuned by tunable capacitors |
ATE295632T1 (en) | 2000-11-03 | 2005-05-15 | Paratek Microwave Inc | METHOD FOR CHANNEL FREQUENCY ALLOCATION FOR RF AND MICROWAVE DULEXERS |
EP1340285A1 (en) | 2000-11-14 | 2003-09-03 | Paratek Microwave, Inc. | Hybrid resonator microstrip line filters |
US6599447B2 (en) | 2000-11-29 | 2003-07-29 | Advanced Technology Materials, Inc. | Zirconium-doped BST materials and MOCVD process forming same |
WO2002049143A1 (en) * | 2000-12-12 | 2002-06-20 | Paratek Microwave, Inc. | Electrically tunable notch filters |
US6686817B2 (en) | 2000-12-12 | 2004-02-03 | Paratek Microwave, Inc. | Electronic tunable filters with dielectric varactors |
US6444336B1 (en) | 2000-12-21 | 2002-09-03 | The Regents Of The University Of California | Thin film dielectric composite materials |
AU2002228851A1 (en) * | 2001-01-11 | 2002-07-24 | Motorola, Inc. | Tunable structure utilizing a compliant substrate |
US8609017B2 (en) * | 2001-01-24 | 2013-12-17 | Blackberry Limited | Electronically tunable, low-loss ceramic materials including a tunable dielectric phase and multiple metal oxide phases |
US6673646B2 (en) | 2001-02-28 | 2004-01-06 | Motorola, Inc. | Growth of compound semiconductor structures on patterned oxide films and process for fabricating same |
WO2002078118A1 (en) | 2001-03-27 | 2002-10-03 | Paratek Microwave, Inc. | Tunable rf devices with metallized non-metallic bodies |
US6593833B2 (en) | 2001-04-04 | 2003-07-15 | Mcnc | Tunable microwave components utilizing ferroelectric and ferromagnetic composite dielectrics and methods for making same |
US7164329B2 (en) | 2001-04-11 | 2007-01-16 | Kyocera Wireless Corp. | Tunable phase shifer with a control signal generator responsive to DC offset in a mixed signal |
US6690251B2 (en) * | 2001-04-11 | 2004-02-10 | Kyocera Wireless Corporation | Tunable ferro-electric filter |
US7174147B2 (en) * | 2001-04-11 | 2007-02-06 | Kyocera Wireless Corp. | Bandpass filter with tunable resonator |
US6937195B2 (en) | 2001-04-11 | 2005-08-30 | Kyocera Wireless Corp. | Inverted-F ferroelectric antenna |
US7394430B2 (en) * | 2001-04-11 | 2008-07-01 | Kyocera Wireless Corp. | Wireless device reconfigurable radiation desensitivity bracket systems and methods |
US7746292B2 (en) * | 2001-04-11 | 2010-06-29 | Kyocera Wireless Corp. | Reconfigurable radiation desensitivity bracket systems and methods |
US7221243B2 (en) * | 2001-04-11 | 2007-05-22 | Kyocera Wireless Corp. | Apparatus and method for combining electrical signals |
US7154440B2 (en) * | 2001-04-11 | 2006-12-26 | Kyocera Wireless Corp. | Phase array antenna using a constant-gain phase shifter |
US6617062B2 (en) * | 2001-04-13 | 2003-09-09 | Paratek Microwave, Inc. | Strain-relieved tunable dielectric thin films |
WO2002099923A1 (en) | 2001-04-17 | 2002-12-12 | Paratek Microwave, Inc. | Hairpin microstrip line electrically tunable filters |
US6535076B2 (en) | 2001-05-15 | 2003-03-18 | Silicon Valley Bank | Switched charge voltage driver and method for applying voltage to tunable dielectric devices |
US6709989B2 (en) | 2001-06-21 | 2004-03-23 | Motorola, Inc. | Method for fabricating a semiconductor structure including a metal oxide interface with silicon |
US6646293B2 (en) | 2001-07-18 | 2003-11-11 | Motorola, Inc. | Structure for fabricating high electron mobility transistors utilizing the formation of complaint substrates |
US6693298B2 (en) | 2001-07-20 | 2004-02-17 | Motorola, Inc. | Structure and method for fabricating epitaxial semiconductor on insulator (SOI) structures and devices utilizing the formation of a compliant substrate for materials used to form same |
US6667196B2 (en) | 2001-07-25 | 2003-12-23 | Motorola, Inc. | Method for real-time monitoring and controlling perovskite oxide film growth and semiconductor structure formed using the method |
US6639249B2 (en) | 2001-08-06 | 2003-10-28 | Motorola, Inc. | Structure and method for fabrication for a solid-state lighting device |
US6673667B2 (en) | 2001-08-15 | 2004-01-06 | Motorola, Inc. | Method for manufacturing a substantially integral monolithic apparatus including a plurality of semiconductor materials |
US6710679B2 (en) | 2001-08-16 | 2004-03-23 | Paratek Microwave, Inc. | Analog rat-race phase shifters tuned by dielectric varactors |
US6801160B2 (en) * | 2001-08-27 | 2004-10-05 | Herbert Jefferson Henderson | Dynamic multi-beam antenna using dielectrically tunable phase shifters |
US20050200422A1 (en) * | 2001-09-20 | 2005-09-15 | Khosro Shamsaifar | Tunable filters having variable bandwidth and variable delay |
EP1428289A1 (en) * | 2001-09-20 | 2004-06-16 | Paratek Microwave, Inc. | Tunable filters having variable bandwidth and variable delay |
US7034636B2 (en) * | 2001-09-20 | 2006-04-25 | Paratek Microwave Incorporated | Tunable filters having variable bandwidth and variable delay |
US7071776B2 (en) | 2001-10-22 | 2006-07-04 | Kyocera Wireless Corp. | Systems and methods for controlling output power in a communication device |
US6593212B1 (en) * | 2001-10-29 | 2003-07-15 | The United States Of America As Represented By The Secretary Of The Navy | Method for making electro-optical devices using a hydrogenion splitting technique |
US7236068B2 (en) | 2002-01-17 | 2007-06-26 | Paratek Microwave, Inc. | Electronically tunable combine filter with asymmetric response |
US7180467B2 (en) | 2002-02-12 | 2007-02-20 | Kyocera Wireless Corp. | System and method for dual-band antenna matching |
US7176845B2 (en) * | 2002-02-12 | 2007-02-13 | Kyocera Wireless Corp. | System and method for impedance matching an antenna to sub-bands in a communication band |
US7184727B2 (en) * | 2002-02-12 | 2007-02-27 | Kyocera Wireless Corp. | Full-duplex antenna system and method |
US8749054B2 (en) | 2010-06-24 | 2014-06-10 | L. Pierre de Rochemont | Semiconductor carrier with vertical power FET module |
US7183922B2 (en) * | 2002-03-18 | 2007-02-27 | Paratek Microwave, Inc. | Tracking apparatus, system and method |
US20050113138A1 (en) * | 2002-03-18 | 2005-05-26 | Greg Mendolia | RF ID tag reader utlizing a scanning antenna system and method |
US7496329B2 (en) * | 2002-03-18 | 2009-02-24 | Paratek Microwave, Inc. | RF ID tag reader utilizing a scanning antenna system and method |
US20030176179A1 (en) * | 2002-03-18 | 2003-09-18 | Ken Hersey | Wireless local area network and antenna used therein |
US20050159187A1 (en) * | 2002-03-18 | 2005-07-21 | Greg Mendolia | Antenna system and method |
US7187288B2 (en) * | 2002-03-18 | 2007-03-06 | Paratek Microwave, Inc. | RFID tag reading system and method |
US20040008140A1 (en) * | 2002-04-15 | 2004-01-15 | Sengupta Louise C. | Frequency agile, directive beam patch antennas |
US6987493B2 (en) * | 2002-04-15 | 2006-01-17 | Paratek Microwave, Inc. | Electronically steerable passive array antenna |
US7107033B2 (en) * | 2002-04-17 | 2006-09-12 | Paratek Microwave, Inc. | Smart radio incorporating Parascan® varactors embodied within an intelligent adaptive RF front end |
US7429495B2 (en) * | 2002-08-07 | 2008-09-30 | Chang-Feng Wan | System and method of fabricating micro cavities |
US6864843B2 (en) * | 2002-08-15 | 2005-03-08 | Paratek Microwave, Inc. | Conformal frequency-agile tunable patch antenna |
US6854342B2 (en) | 2002-08-26 | 2005-02-15 | Gilbarco, Inc. | Increased sensitivity for turbine flow meter |
US7111520B2 (en) * | 2002-08-26 | 2006-09-26 | Gilbarco Inc. | Increased sensitivity for liquid meter |
US6960546B2 (en) | 2002-09-27 | 2005-11-01 | Paratek Microwave, Inc. | Dielectric composite materials including an electronically tunable dielectric phase and a calcium and oxygen-containing compound phase |
US20040251991A1 (en) * | 2003-02-05 | 2004-12-16 | Rahman Mohammed Mahbubur | Electronically tunable comb-ring type RF filter |
US7048992B2 (en) * | 2003-02-05 | 2006-05-23 | Paratek Microwave, Inc. | Fabrication of Parascan tunable dielectric chips |
US20050116797A1 (en) * | 2003-02-05 | 2005-06-02 | Khosro Shamsaifar | Electronically tunable block filter |
US20040227592A1 (en) | 2003-02-05 | 2004-11-18 | Chiu Luna H. | Method of applying patterned metallization to block filter resonators |
US20040185795A1 (en) * | 2003-02-05 | 2004-09-23 | Khosro Shamsaifar | Electronically tunable RF Front End Module |
US20040183626A1 (en) * | 2003-02-05 | 2004-09-23 | Qinghua Kang | Electronically tunable block filter with tunable transmission zeros |
US20040178867A1 (en) * | 2003-02-05 | 2004-09-16 | Rahman Mohammed Mahbubur | LTCC based electronically tunable multilayer microstrip-stripline combline filter |
US7369828B2 (en) * | 2003-02-05 | 2008-05-06 | Paratek Microwave, Inc. | Electronically tunable quad-band antennas for handset applications |
US20040224649A1 (en) * | 2003-02-05 | 2004-11-11 | Khosro Shamsaifar | Electronically tunable power amplifier tuner |
US6949982B2 (en) * | 2003-03-06 | 2005-09-27 | Paratek Microwave, Inc. | Voltage controlled oscillators incorporating parascan R varactors |
US6967540B2 (en) * | 2003-03-06 | 2005-11-22 | Paratek Microwave, Inc. | Synthesizers incorporating parascan TM varactors |
US8204438B2 (en) * | 2003-03-14 | 2012-06-19 | Paratek Microwave, Inc. | RF ID tag reader utilizing a scanning antenna system and method |
US20040229025A1 (en) * | 2003-04-11 | 2004-11-18 | Chen Zhang | Voltage tunable photodefinable dielectric and method of manufacture therefore |
US20040232523A1 (en) * | 2003-04-30 | 2004-11-25 | Khosro Shamsaifar | Electronically tunable RF chip packages |
US7042316B2 (en) * | 2003-05-01 | 2006-05-09 | Paratek Microwave, Inc. | Waveguide dielectric resonator electrically tunable filter |
US20050030227A1 (en) * | 2003-05-22 | 2005-02-10 | Khosro Shamsaifar | Wireless local area network antenna system and method of use therefore |
US7720443B2 (en) * | 2003-06-02 | 2010-05-18 | Kyocera Wireless Corp. | System and method for filtering time division multiple access telephone communications |
US20060035023A1 (en) * | 2003-08-07 | 2006-02-16 | Wontae Chang | Method for making a strain-relieved tunable dielectric thin film |
WO2005015679A2 (en) * | 2003-08-08 | 2005-02-17 | Paratek Microwave Inc. | Loaded line phase shifter |
US7109926B2 (en) * | 2003-08-08 | 2006-09-19 | Paratek Microwave, Inc. | Stacked patch antenna |
EP1656467A2 (en) * | 2003-08-21 | 2006-05-17 | Honeywell International Inc. | Copper-containing pvd targets and methods for their manufacture |
US6992638B2 (en) * | 2003-09-27 | 2006-01-31 | Paratek Microwave, Inc. | High gain, steerable multiple beam antenna system |
WO2005072468A2 (en) * | 2004-01-28 | 2005-08-11 | Paratek Microwave Inc. | Apparatus and method capable of utilizing a tunable antenna-duplexer combination |
US7268643B2 (en) * | 2004-01-28 | 2007-09-11 | Paratek Microwave, Inc. | Apparatus, system and method capable of radio frequency switching using tunable dielectric capacitors |
WO2005072469A2 (en) * | 2004-01-28 | 2005-08-11 | Paratek Microwave Inc. | Apparatus and method operable in a wireless local area network incorporating tunable dielectric capacitors embodied within an intelligent adaptive antenna |
US7151411B2 (en) * | 2004-03-17 | 2006-12-19 | Paratek Microwave, Inc. | Amplifier system and method |
US20050206482A1 (en) * | 2004-03-17 | 2005-09-22 | Dutoit Nicolaas | Electronically tunable switched-resonator filter bank |
US20060237750A1 (en) * | 2004-06-21 | 2006-10-26 | James Oakes | Field effect transistor structures |
US20060006966A1 (en) * | 2004-07-08 | 2006-01-12 | Qinghua Kang | Electronically tunable ridged waveguide cavity filter and method of manufacture therefore |
US20060009185A1 (en) * | 2004-07-08 | 2006-01-12 | Khosro Shamsaifar | Method and apparatus capable of interference cancellation |
US20060006962A1 (en) * | 2004-07-08 | 2006-01-12 | Du Toit Cornelis F | Phase shifters and method of manufacture therefore |
US20060006961A1 (en) * | 2004-07-08 | 2006-01-12 | Sengupta L | Tunable dielectric phase shifters capable of operating in a digital-analog regime |
US7248845B2 (en) * | 2004-07-09 | 2007-07-24 | Kyocera Wireless Corp. | Variable-loss transmitter and method of operation |
US20060080414A1 (en) * | 2004-07-12 | 2006-04-13 | Dedicated Devices, Inc. | System and method for managed installation of a computer network |
US7519340B2 (en) * | 2004-07-30 | 2009-04-14 | Paratek Microwave, Inc. | Method and apparatus capable of mitigating third order inter-modulation distortion in electronic circuits |
US7379711B2 (en) * | 2004-07-30 | 2008-05-27 | Paratek Microwave, Inc. | Method and apparatus capable of mitigating third order inter-modulation distortion in electronic circuits |
US20060033593A1 (en) * | 2004-08-13 | 2006-02-16 | Qinghua Kang | Method and apparatus with improved varactor quality factor |
US20060044204A1 (en) * | 2004-08-14 | 2006-03-02 | Jeffrey Kruth | Phased array antenna with steerable null |
US7557055B2 (en) * | 2004-09-20 | 2009-07-07 | Paratek Microwave, Inc. | Tunable low loss material composition |
US20060065916A1 (en) * | 2004-09-29 | 2006-03-30 | Xubai Zhang | Varactors and methods of manufacture and use |
JP4843611B2 (en) | 2004-10-01 | 2011-12-21 | デ,ロシェモント,エル.,ピエール | Ceramic antenna module and manufacturing method thereof |
US7397329B2 (en) * | 2004-11-02 | 2008-07-08 | Du Toit Nicolaas D | Compact tunable filter and method of operation and manufacture therefore |
US20060267174A1 (en) * | 2005-02-09 | 2006-11-30 | William Macropoulos | Apparatus and method using stackable substrates |
US7471146B2 (en) * | 2005-02-15 | 2008-12-30 | Paratek Microwave, Inc. | Optimized circuits for three dimensional packaging and methods of manufacture therefore |
US7786820B2 (en) * | 2005-03-21 | 2010-08-31 | Ngimat Co. | Tunable dielectric radio frequency microelectromechanical system capacitive switch |
US8715839B2 (en) * | 2005-06-30 | 2014-05-06 | L. Pierre de Rochemont | Electrical components and method of manufacture |
US8350657B2 (en) | 2005-06-30 | 2013-01-08 | Derochemont L Pierre | Power management module and method of manufacture |
US20070007853A1 (en) * | 2005-07-09 | 2007-01-11 | Toit Nicolaas D | Apparatus and method capable of a high fundamental acoustic resonance frequency and a wide resonance-free frequency range |
US20070007854A1 (en) * | 2005-07-09 | 2007-01-11 | James Oakes | Ripple free tunable capacitor and method of operation and manufacture therefore |
US20070007850A1 (en) * | 2005-07-09 | 2007-01-11 | Toit Nicolaas D | Apparatus and method capable of a high fundamental acoustic resonance frequency and a wide resonance-free frequency range |
US9406444B2 (en) | 2005-11-14 | 2016-08-02 | Blackberry Limited | Thin film capacitors |
CN100378005C (en) * | 2005-11-16 | 2008-04-02 | 中国科学院上海硅酸盐研究所 | Process for preparing submicron grade barium strontium phthalate powder by packing method |
US7548762B2 (en) * | 2005-11-30 | 2009-06-16 | Kyocera Corporation | Method for tuning a GPS antenna matching network |
US7711337B2 (en) | 2006-01-14 | 2010-05-04 | Paratek Microwave, Inc. | Adaptive impedance matching module (AIMM) control architectures |
US8325097B2 (en) | 2006-01-14 | 2012-12-04 | Research In Motion Rf, Inc. | Adaptively tunable antennas and method of operation therefore |
US8125399B2 (en) | 2006-01-14 | 2012-02-28 | Paratek Microwave, Inc. | Adaptively tunable antennas incorporating an external probe to monitor radiated power |
US8354294B2 (en) | 2006-01-24 | 2013-01-15 | De Rochemont L Pierre | Liquid chemical deposition apparatus and process and products therefrom |
DE102006017902B4 (en) * | 2006-04-18 | 2009-11-12 | Forschungszentrum Karlsruhe Gmbh | Ceramic dielectric, production method for thin and / or thick layers containing at least one ceramic dielectric and use thereof |
US20070279159A1 (en) * | 2006-06-02 | 2007-12-06 | Heinz Georg Bachmann | Techniques to reduce circuit non-linear distortion |
US8586006B2 (en) | 2006-08-09 | 2013-11-19 | Institute For Systems Biology | Organ-specific proteins and methods of their use |
US7714676B2 (en) * | 2006-11-08 | 2010-05-11 | Paratek Microwave, Inc. | Adaptive impedance matching apparatus, system and method |
US7535312B2 (en) | 2006-11-08 | 2009-05-19 | Paratek Microwave, Inc. | Adaptive impedance matching apparatus, system and method with improved dynamic range |
US8299867B2 (en) * | 2006-11-08 | 2012-10-30 | Research In Motion Rf, Inc. | Adaptive impedance matching module |
US7917104B2 (en) | 2007-04-23 | 2011-03-29 | Paratek Microwave, Inc. | Techniques for improved adaptive impedance matching |
US8213886B2 (en) | 2007-05-07 | 2012-07-03 | Paratek Microwave, Inc. | Hybrid techniques for antenna retuning utilizing transmit and receive power information |
US7907090B2 (en) * | 2007-06-07 | 2011-03-15 | Vishay Intertechnology, Inc. | Ceramic dielectric formulation for broad band UHF antenna |
EP2492256A3 (en) * | 2007-06-07 | 2012-09-19 | Vishay Intertechnology Inc. | Ceramic dielectric formulation for broad band UHF antenna |
WO2008150262A1 (en) * | 2007-06-07 | 2008-12-11 | Vishay Intertechnology, Inc. | Ceramic dielectric formulation for broad band uhf antenna |
WO2008152559A2 (en) | 2007-06-13 | 2008-12-18 | Nxp B.V. | Controller for tunable mems capacitor |
US8053027B2 (en) * | 2007-07-16 | 2011-11-08 | The United States of America as represented bt the Secretary of the Army | Methods for fabrication of thin film compositionally stratified multi-layer heterostructures for temperature insensitive low dielectric loss and enhanced tunability OTM communications devices |
US7991363B2 (en) | 2007-11-14 | 2011-08-02 | Paratek Microwave, Inc. | Tuning matching circuits for transmitter and receiver bands as a function of transmitter metrics |
US7889959B2 (en) * | 2008-02-07 | 2011-02-15 | Lockheed Martin Corporation | Composite material for cable floatation jacket |
US8112852B2 (en) * | 2008-05-14 | 2012-02-14 | Paratek Microwave, Inc. | Radio frequency tunable capacitors and method of manufacturing using a sacrificial carrier substrate |
US7959598B2 (en) | 2008-08-20 | 2011-06-14 | Asante Solutions, Inc. | Infusion pump systems and methods |
US8072285B2 (en) | 2008-09-24 | 2011-12-06 | Paratek Microwave, Inc. | Methods for tuning an adaptive impedance matching network with a look-up table |
US8067858B2 (en) * | 2008-10-14 | 2011-11-29 | Paratek Microwave, Inc. | Low-distortion voltage variable capacitor assemblies |
US8922347B1 (en) | 2009-06-17 | 2014-12-30 | L. Pierre de Rochemont | R.F. energy collection circuit for wireless devices |
US8952858B2 (en) | 2009-06-17 | 2015-02-10 | L. Pierre de Rochemont | Frequency-selective dipole antennas |
US8472888B2 (en) | 2009-08-25 | 2013-06-25 | Research In Motion Rf, Inc. | Method and apparatus for calibrating a communication device |
US9026062B2 (en) | 2009-10-10 | 2015-05-05 | Blackberry Limited | Method and apparatus for managing operations of a communication device |
US8803631B2 (en) | 2010-03-22 | 2014-08-12 | Blackberry Limited | Method and apparatus for adapting a variable impedance network |
SG184929A1 (en) | 2010-04-20 | 2012-11-29 | Paratek Microwave Inc | Method and apparatus for managing interference in a communication device |
US8552708B2 (en) | 2010-06-02 | 2013-10-08 | L. Pierre de Rochemont | Monolithic DC/DC power management module with surface FET |
US9023493B2 (en) | 2010-07-13 | 2015-05-05 | L. Pierre de Rochemont | Chemically complex ablative max-phase material and method of manufacture |
CN103180955B (en) | 2010-08-23 | 2018-10-16 | L·皮尔·德罗什蒙 | Power field effect transistor with resonant crystal tube grid |
EP2636069B1 (en) | 2010-11-03 | 2021-07-07 | L. Pierre De Rochemont | Semiconductor chip carriers with monolithically integrated quantum dot devices and method of manufacture thereof |
US9379454B2 (en) | 2010-11-08 | 2016-06-28 | Blackberry Limited | Method and apparatus for tuning antennas in a communication device |
US8712340B2 (en) | 2011-02-18 | 2014-04-29 | Blackberry Limited | Method and apparatus for radio antenna frequency tuning |
US8655286B2 (en) | 2011-02-25 | 2014-02-18 | Blackberry Limited | Method and apparatus for tuning a communication device |
US8594584B2 (en) | 2011-05-16 | 2013-11-26 | Blackberry Limited | Method and apparatus for tuning a communication device |
US8626083B2 (en) | 2011-05-16 | 2014-01-07 | Blackberry Limited | Method and apparatus for tuning a communication device |
EP2740221B1 (en) | 2011-08-05 | 2019-06-26 | BlackBerry Limited | Method and apparatus for band tuning in a communication device |
CA2794262C (en) | 2011-11-04 | 2016-12-13 | James Oakes | Thin film capacitors |
US8948889B2 (en) | 2012-06-01 | 2015-02-03 | Blackberry Limited | Methods and apparatus for tuning circuit components of a communication device |
US9853363B2 (en) | 2012-07-06 | 2017-12-26 | Blackberry Limited | Methods and apparatus to control mutual coupling between antennas |
US9246223B2 (en) | 2012-07-17 | 2016-01-26 | Blackberry Limited | Antenna tuning for multiband operation |
US9350405B2 (en) | 2012-07-19 | 2016-05-24 | Blackberry Limited | Method and apparatus for antenna tuning and power consumption management in a communication device |
US9413066B2 (en) | 2012-07-19 | 2016-08-09 | Blackberry Limited | Method and apparatus for beam forming and antenna tuning in a communication device |
US9362891B2 (en) | 2012-07-26 | 2016-06-07 | Blackberry Limited | Methods and apparatus for tuning a communication device |
US9374113B2 (en) | 2012-12-21 | 2016-06-21 | Blackberry Limited | Method and apparatus for adjusting the timing of radio antenna tuning |
US10404295B2 (en) | 2012-12-21 | 2019-09-03 | Blackberry Limited | Method and apparatus for adjusting the timing of radio antenna tuning |
JP2014144881A (en) * | 2013-01-28 | 2014-08-14 | Mitsubishi Materials Corp | Dielectric thin film-forming composition and method of forming dielectric thin film using the same |
CN103951418A (en) * | 2014-04-16 | 2014-07-30 | 中国科学院青海盐湖研究所 | Method for preparing doped or composite barium strontium titanate ceramic powder |
US10032853B2 (en) | 2014-09-17 | 2018-07-24 | The United States Of America As Represented By The Secretary Of The Army | Microstructural architecture to enable strain relieved non-linear complex oxide thin films |
US9506153B2 (en) | 2014-09-17 | 2016-11-29 | The United States Of America As Represented By The Secretary Of The Army | Integrated composite perovskite oxide heterostructure |
US9438319B2 (en) | 2014-12-16 | 2016-09-06 | Blackberry Limited | Method and apparatus for antenna selection |
EP3374905A1 (en) | 2016-01-13 | 2018-09-19 | Bigfoot Biomedical, Inc. | User interface for diabetes management system |
CN112933333B (en) | 2016-01-14 | 2023-03-28 | 比格福特生物医药公司 | Adjusting insulin delivery rate |
USD874471S1 (en) | 2017-06-08 | 2020-02-04 | Insulet Corporation | Display screen with a graphical user interface |
USD928199S1 (en) | 2018-04-02 | 2021-08-17 | Bigfoot Biomedical, Inc. | Medication delivery device with icons |
USD920343S1 (en) | 2019-01-09 | 2021-05-25 | Bigfoot Biomedical, Inc. | Display screen or portion thereof with graphical user interface associated with insulin delivery |
KR20220159953A (en) * | 2020-03-30 | 2022-12-05 | 사카이 가가쿠 고교 가부시키가이샤 | Method for producing perovskite-type compound and perovskite-type compound |
USD977502S1 (en) | 2020-06-09 | 2023-02-07 | Insulet Corporation | Display screen with graphical user interface |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS584448A (en) * | 1981-06-30 | 1983-01-11 | Fujitsu Ltd | Data processing circuit |
US4987108A (en) * | 1987-03-11 | 1991-01-22 | Murata Manufacturing Co., Ltd. | Dielectric paste |
US4987107A (en) * | 1988-06-03 | 1991-01-22 | Nippon Oil & Fats Co., Ltd. | Ceramic composition for reduction-reoxidation type semiconductive capacitor |
JPH03109261A (en) * | 1989-09-22 | 1991-05-09 | Matsushita Electric Ind Co Ltd | Production of porcelain composition for nonlinear resistor having voltage dependency and varistor |
JPH0426101A (en) * | 1990-05-21 | 1992-01-29 | Inax Corp | Positive characteristic semiconductor magnetic device |
US5232880A (en) * | 1991-01-11 | 1993-08-03 | Murata Manufacturing Co., Ltd. | Method for production of nonreducible dielectric ceramic composition |
JPH05330910A (en) * | 1992-06-01 | 1993-12-14 | Murata Mfg Co Ltd | Semiconductor porcelain composition |
US5319517A (en) * | 1992-03-27 | 1994-06-07 | Tdk Corporation | Multilayer ceramic chip capacitor |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3534286A (en) * | 1967-05-16 | 1970-10-13 | Litton Precision Prod Inc | Microwave attenuator comprising aluminum oxide and aluminum titanate usable in a microwave tube |
JPS6386319A (en) * | 1986-09-30 | 1988-04-16 | 太陽誘電株式会社 | Dielectric ceramic composition |
JPH038765A (en) * | 1989-06-06 | 1991-01-16 | Matsushita Electric Ind Co Ltd | Production of voltage-dependent nonlinear resistor porcelain composition and varistor |
JP2951986B2 (en) * | 1990-01-30 | 1999-09-20 | キヤノン電子株式会社 | Magnetic head |
JPH0426102A (en) * | 1990-05-21 | 1992-01-29 | Inax Corp | Positive characteristic semiconductor magnetic device |
US5147835A (en) * | 1991-03-05 | 1992-09-15 | Motorola, Inc. | Composite titanate aluminate dielectric material |
US5290740A (en) * | 1991-11-06 | 1994-03-01 | Ngk Insulators, Ltd. | Dielectric ceramic composition used for producing dielectric resonator or filter for microwave application |
JPH05254928A (en) * | 1992-03-10 | 1993-10-05 | Showa Denko Kk | Production of barium titanate-based semiconductor porcelain having positive temperature coefficient |
EP0581251A3 (en) * | 1992-07-31 | 1995-02-08 | Taiyo Yuden Kk | Ceramic materials of improved dielectric constants, and capacitors fabricated therefrom. |
JP3008765U (en) | 1994-09-09 | 1995-03-20 | ヒエン電工株式会社 | Fixing for lashing rod |
-
1993
- 1993-06-09 US US08/076,291 patent/US5312790A/en not_active Expired - Lifetime
-
1994
- 1994-03-07 US US08/207,447 patent/US5486491A/en not_active Expired - Fee Related
- 1994-03-07 US US08/207,446 patent/US5427988A/en not_active Expired - Lifetime
- 1994-05-12 WO PCT/US1994/005138 patent/WO1994029234A1/en not_active Application Discontinuation
- 1994-05-12 JP JP7501779A patent/JPH08511501A/en active Pending
- 1994-05-12 CA CA002164595A patent/CA2164595A1/en not_active Abandoned
- 1994-05-12 KR KR1019950705561A patent/KR960702824A/en not_active Application Discontinuation
- 1994-05-12 EP EP94921180A patent/EP0705231A4/en not_active Withdrawn
- 1994-05-12 AU AU72000/94A patent/AU7200094A/en not_active Abandoned
- 1994-05-24 KR KR1019950705523A patent/KR960702823A/en not_active Application Discontinuation
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS584448A (en) * | 1981-06-30 | 1983-01-11 | Fujitsu Ltd | Data processing circuit |
US4987108A (en) * | 1987-03-11 | 1991-01-22 | Murata Manufacturing Co., Ltd. | Dielectric paste |
US4987107A (en) * | 1988-06-03 | 1991-01-22 | Nippon Oil & Fats Co., Ltd. | Ceramic composition for reduction-reoxidation type semiconductive capacitor |
JPH03109261A (en) * | 1989-09-22 | 1991-05-09 | Matsushita Electric Ind Co Ltd | Production of porcelain composition for nonlinear resistor having voltage dependency and varistor |
JPH0426101A (en) * | 1990-05-21 | 1992-01-29 | Inax Corp | Positive characteristic semiconductor magnetic device |
US5232880A (en) * | 1991-01-11 | 1993-08-03 | Murata Manufacturing Co., Ltd. | Method for production of nonreducible dielectric ceramic composition |
US5319517A (en) * | 1992-03-27 | 1994-06-07 | Tdk Corporation | Multilayer ceramic chip capacitor |
JPH05330910A (en) * | 1992-06-01 | 1993-12-14 | Murata Mfg Co Ltd | Semiconductor porcelain composition |
Also Published As
Publication number | Publication date |
---|---|
US5427988A (en) | 1995-06-27 |
US5312790A (en) | 1994-05-17 |
EP0705231A4 (en) | 1996-07-24 |
JPH08511501A (en) | 1996-12-03 |
EP0705231A1 (en) | 1996-04-10 |
US5486491A (en) | 1996-01-23 |
KR960702824A (en) | 1996-05-23 |
AU7200094A (en) | 1995-01-03 |
KR960702823A (en) | 1996-05-23 |
CA2164595A1 (en) | 1994-12-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5312790A (en) | Ceramic ferroelectric material | |
US5635434A (en) | Ceramic ferroelectric composite material-BSTO-magnesium based compound | |
Huang et al. | Improved high Q value of MgTiO3-CaTiO3 microwave dielectric ceramics at low sintering temperature | |
CN1117708C (en) | Low temp. sinterable and low loss dielectric ceramic compositions and method thereof | |
US5830591A (en) | Multilayered ferroelectric composite waveguides | |
EP0086840B1 (en) | Porcelain composition having high dielectric constant | |
US6063719A (en) | Ceramic ferrite/ferroelectric composite material | |
You et al. | Improved high-Q dielectric resonator sintered at low firing temperature | |
JPS6118283B2 (en) | ||
US5004713A (en) | Frequency stable NPO ceramics | |
US4746639A (en) | Dielectric ceramic composition | |
EP0705230A1 (en) | NOVEL CERAMIC FERROELECTRIC COMPOSITE MATERIAL - BSTO-MgO | |
EP0169077B1 (en) | Dielectric porcelain material | |
WO1994029235A1 (en) | NOVEL CERAMIC FERROELECTIC COMPOSITE MATERIAL - BSTO-ZrO¿2? | |
WO1994029925A1 (en) | Antennas using novel ceramic ferroelectric materials | |
KR100307886B1 (en) | Compositions of High Frequency Dielectrics | |
US4442220A (en) | Dielectric ceramics | |
US5002913A (en) | Dielectric ceramics for high frequency | |
KR100234017B1 (en) | Dielectric ceramic composition | |
JP3214308B2 (en) | Dielectric porcelain composition | |
JP3407523B2 (en) | Dielectric porcelain composition | |
KR100234018B1 (en) | Dielectric ceramic compositions | |
JP3407524B2 (en) | Dielectric porcelain composition | |
KR100234012B1 (en) | Dielectric ceramic composition | |
KR0146001B1 (en) | Dielectric ceramics |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AU CA JP KP KR PL RU |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LU MC NL PT SE |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2164595 Country of ref document: CA |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1994921180 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 1994921180 Country of ref document: EP |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 1994921180 Country of ref document: EP |