WO2003077270A3 - Amorphous diamond materials and associated methods for the use and manufacture thereof - Google Patents

Amorphous diamond materials and associated methods for the use and manufacture thereof Download PDF

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Publication number
WO2003077270A3
WO2003077270A3 PCT/US2003/006938 US0306938W WO03077270A3 WO 2003077270 A3 WO2003077270 A3 WO 2003077270A3 US 0306938 W US0306938 W US 0306938W WO 03077270 A3 WO03077270 A3 WO 03077270A3
Authority
WO
WIPO (PCT)
Prior art keywords
energy
amorphous diamond
diamond material
vacuum
variety
Prior art date
Application number
PCT/US2003/006938
Other languages
French (fr)
Other versions
WO2003077270A2 (en
Inventor
Chien-Min Sung
Original Assignee
Chien-Min Sung
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chien-Min Sung filed Critical Chien-Min Sung
Priority to EP03728228A priority Critical patent/EP1493167A2/en
Priority to AU2003232894A priority patent/AU2003232894A1/en
Publication of WO2003077270A2 publication Critical patent/WO2003077270A2/en
Publication of WO2003077270A3 publication Critical patent/WO2003077270A3/en

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02Main electrodes
    • H01J1/30Cold cathodes, e.g. field-emissive cathode
    • H01J1/304Field-emissive cathodes
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/25Diamond
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/25Diamond
    • C01B32/26Preparation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02Main electrodes
    • H01J1/30Cold cathodes, e.g. field-emissive cathode
    • H01J1/304Field-emissive cathodes
    • H01J1/3048Distributed particle emitters
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02Manufacture of electrodes or electrode systems
    • H01J9/022Manufacture of electrodes or electrode systems of cold cathodes
    • H01J9/025Manufacture of electrodes or electrode systems of cold cathodes of field emission cathodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00Electrodes common to discharge tubes
    • H01J2201/30Cold cathodes
    • H01J2201/304Field emission cathodes
    • H01J2201/30446Field emission cathodes characterised by the emitter material
    • H01J2201/30453Carbon types
    • H01J2201/30457Diamond

Abstract

An amorphous diamond material (5) that is capable of emitting electrons in a vacuum upon the input of a sufficient amount of energy. The material may utilize both compositional and geometrical aspects in order to maximize electron output and minimize required energy input. In one aspect, the amorphous diamond material may include at least 90% carbon atoms with at least about 30% of such carbon atoms bonded in distorted tetrahedral configuration. Further, the material may be configured with an emission surface having an asperity height (20) of from about 10 to about 10,000 nanometers. A variety of energy types may be used separately or in combination to facilitate electron flow, such as thermal energy, light energy, and induced electric field energy. The amorphous diamond material may be incorporated into a variety of vacuum-type devices, such as switches, laser diodes, electrical generators, and cooling devices.
PCT/US2003/006938 2002-03-08 2003-03-06 Amorphous diamond materials and associated methods for the use and manufacture thereof WO2003077270A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP03728228A EP1493167A2 (en) 2002-03-08 2003-03-06 Amorphous diamond materials and associated methods for the use and manufacture thereof
AU2003232894A AU2003232894A1 (en) 2002-03-08 2003-03-06 Amorphous diamond materials and associated methods for the use and manufacture thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/094,426 2002-03-08
US10/094,426 US6806629B2 (en) 2002-03-08 2002-03-08 Amorphous diamond materials and associated methods for the use and manufacture thereof

Publications (2)

Publication Number Publication Date
WO2003077270A2 WO2003077270A2 (en) 2003-09-18
WO2003077270A3 true WO2003077270A3 (en) 2004-02-12

Family

ID=27788108

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/006938 WO2003077270A2 (en) 2002-03-08 2003-03-06 Amorphous diamond materials and associated methods for the use and manufacture thereof

Country Status (6)

Country Link
US (1) US6806629B2 (en)
EP (1) EP1493167A2 (en)
CN (2) CN100365754C (en)
AU (1) AU2003232894A1 (en)
TW (1) TWI236776B (en)
WO (1) WO2003077270A2 (en)

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US7351996B2 (en) * 2002-11-27 2008-04-01 Borealis Technical Limited Method of increasing efficiency of thermotunnel devices
US8575597B2 (en) * 2002-11-27 2013-11-05 Borealis Technical Limited Liquid metal contact as possible element for thermotunneling
US7447298B2 (en) * 2003-04-01 2008-11-04 Cabot Microelectronics Corporation Decontamination and sterilization system using large area x-ray source
DE102004041235A1 (en) * 2004-08-26 2006-03-02 Ina-Schaeffler Kg Wear resistant coating and method of making same
KR101181820B1 (en) * 2005-12-29 2012-09-11 삼성에스디아이 주식회사 Manufacturing method of solar cell
WO2007122709A1 (en) * 2006-04-20 2007-11-01 Norio Akamatsu Linear acceleration generator
US20090174283A1 (en) * 2006-05-19 2009-07-09 Norio Akamatu Field emission electricity generating apparatus
WO2013039549A2 (en) * 2011-09-14 2013-03-21 Young Corbin L Flux capacitor solar cell module
US10211049B2 (en) * 2015-08-07 2019-02-19 North Carolina State University Synthesis and processing of pure and NV nanodiamonds and other nanostructures
CN108630783A (en) * 2017-09-11 2018-10-09 郑州大学 A kind of preparation method of the photoelectric detector based on diamond
EP3933881A1 (en) 2020-06-30 2022-01-05 VEC Imaging GmbH & Co. KG X-ray source with multiple grids
CN112408370A (en) * 2020-12-11 2021-02-26 中国科学院兰州化学物理研究所 Preparation method of graphene additive for industrial lubricating oil
CN115274298B (en) * 2022-05-20 2023-10-03 沈阳工业大学 Lead zirconate nano composite dielectric film and preparation method thereof

Citations (4)

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US5562781A (en) * 1995-01-19 1996-10-08 Ohio University Amorphous, hydrogenated carbon (a-C:H) photovoltaic cell
US6064137A (en) * 1996-03-06 2000-05-16 Borealis Technical Limited Method and apparatus for a vacuum thermionic converter with thin film carbonaceous field emission
US6132278A (en) * 1996-06-25 2000-10-17 Vanderbilt University Mold method for forming vacuum field emitters and method for forming diamond emitters
US6204595B1 (en) * 1995-07-10 2001-03-20 The Regents Of The University Of California Amorphous-diamond electron emitter

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Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5562781A (en) * 1995-01-19 1996-10-08 Ohio University Amorphous, hydrogenated carbon (a-C:H) photovoltaic cell
US6204595B1 (en) * 1995-07-10 2001-03-20 The Regents Of The University Of California Amorphous-diamond electron emitter
US6064137A (en) * 1996-03-06 2000-05-16 Borealis Technical Limited Method and apparatus for a vacuum thermionic converter with thin film carbonaceous field emission
US6132278A (en) * 1996-06-25 2000-10-17 Vanderbilt University Mold method for forming vacuum field emitters and method for forming diamond emitters

Also Published As

Publication number Publication date
EP1493167A2 (en) 2005-01-05
US6806629B2 (en) 2004-10-19
US20030168957A1 (en) 2003-09-11
AU2003232894A8 (en) 2003-09-22
CN1647227A (en) 2005-07-27
CN101250750A (en) 2008-08-27
TWI236776B (en) 2005-07-21
TW200306021A (en) 2003-11-01
AU2003232894A1 (en) 2003-09-22
WO2003077270A2 (en) 2003-09-18
CN100365754C (en) 2008-01-30

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