CA2017007A1 - Ptc thermistor and manufacturing method for the same - Google Patents
Ptc thermistor and manufacturing method for the sameInfo
- Publication number
- CA2017007A1 CA2017007A1 CA2017007A CA2017007A CA2017007A1 CA 2017007 A1 CA2017007 A1 CA 2017007A1 CA 2017007 A CA2017007 A CA 2017007A CA 2017007 A CA2017007 A CA 2017007A CA 2017007 A1 CA2017007 A1 CA 2017007A1
- Authority
- CA
- Canada
- Prior art keywords
- ptc
- manufacturing
- thermistors
- same
- ptc thermistor
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/02—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
- H01C1/1406—Terminals or electrodes formed on resistive elements having positive temperature coefficient
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49082—Resistor making
- Y10T29/49085—Thermally variable
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49082—Resistor making
- Y10T29/49101—Applying terminal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49169—Assembling electrical component directly to terminal or elongated conductor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49787—Obtaining plural composite product pieces from preassembled workpieces
Abstract
PTC (positive temperature coefficient) thermistors of a novel configuration and a method for their manufacture are disclosed. The disclosed PTC thermistors have a PTC element sandwiched between two electrodes for which leads are formed as an extension of each of the two electrodes protruding beyond the edge of the PTC element. Several methods for manufacturing this kind of PTC thermistor are described, whereby undue thermal and physical stress to the PTC
composition are avoided. Additionally, by means of the described manufacturing methods, PTC thermistors having a variety of shapes and configurations can be fabricated.
composition are avoided. Additionally, by means of the described manufacturing methods, PTC thermistors having a variety of shapes and configurations can be fabricated.
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12551689 | 1989-05-18 | ||
JP1-125516 | 1989-05-18 | ||
JP1-143916 | 1989-06-06 | ||
JP14391689 | 1989-06-06 | ||
JP2-88462 | 1990-04-03 | ||
JP2088462A JP2898336B2 (en) | 1989-05-18 | 1990-04-03 | Manufacturing method of PTC thermistor |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2017007A1 true CA2017007A1 (en) | 1990-11-18 |
CA2017007C CA2017007C (en) | 1998-12-29 |
Family
ID=27305814
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002017007A Expired - Fee Related CA2017007C (en) | 1989-05-18 | 1990-05-17 | Ptc thermistor and manufacturing method for the same |
Country Status (5)
Country | Link |
---|---|
US (2) | US5212466A (en) |
EP (1) | EP0398811B1 (en) |
AU (1) | AU637370B2 (en) |
CA (1) | CA2017007C (en) |
DE (1) | DE69028347T2 (en) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0631685Y2 (en) * | 1990-11-26 | 1994-08-22 | 太平洋精工株式会社 | Blower motor resistor |
GB9113888D0 (en) * | 1991-06-27 | 1991-08-14 | Raychem Sa Nv | Circuit protection devices |
EP1347470A1 (en) * | 1992-07-09 | 2003-09-24 | Tyco Electronics Corporation | Electrical devices comprising a conductive polymer |
US5852397A (en) | 1992-07-09 | 1998-12-22 | Raychem Corporation | Electrical devices |
DE4227177C1 (en) * | 1992-08-17 | 1993-10-21 | Rausch & Pausch | Nozzle assembly for oil burners |
DE4230848C1 (en) * | 1992-09-15 | 1993-12-23 | Siemens Matsushita Components | Multiple cold conductor for overload protection - has stacked cold conductor discs with U=shaped hoops forming integral disc contacts and contact connections |
JP3358070B2 (en) * | 1993-11-17 | 2002-12-16 | ローム株式会社 | Chip resistor and method of adjusting its resistance |
CN1054941C (en) | 1994-05-16 | 2000-07-26 | 雷伊化学公司 | Electrical device comprising PTC resistive element |
EP0766867B1 (en) * | 1994-06-09 | 2002-11-20 | Tyco Electronics Corporation | Electrical devices |
US5681111A (en) * | 1994-06-17 | 1997-10-28 | The Ohio State University Research Foundation | High-temperature thermistor device and method |
WO1996036057A1 (en) * | 1995-05-10 | 1996-11-14 | Littelfuse, Inc. | Ptc circuit protection device and manufacturing process for same |
US5663702A (en) * | 1995-06-07 | 1997-09-02 | Littelfuse, Inc. | PTC electrical device having fuse link in series and metallized ceramic electrodes |
US5793276A (en) * | 1995-07-25 | 1998-08-11 | Tdk Corporation | Organic PTC thermistor |
TW309619B (en) | 1995-08-15 | 1997-07-01 | Mourns Multifuse Hong Kong Ltd | |
DE69606310T2 (en) | 1995-08-15 | 2001-04-05 | Bourns Multifuse Hong Kong Ltd | SURFACE MOUNTED CONDUCTIVE COMPONENTS AND METHOD FOR PRODUCING THE SAME |
US5675307A (en) * | 1995-08-29 | 1997-10-07 | Therm-O-Disc, Incorporated | PTC device with extended thickness |
US6023403A (en) * | 1996-05-03 | 2000-02-08 | Littlefuse, Inc. | Surface mountable electrical device comprising a PTC and fusible element |
JP3609551B2 (en) * | 1996-08-08 | 2005-01-12 | アスモ株式会社 | Thermistor |
US5856773A (en) * | 1996-11-04 | 1999-01-05 | Raychem Corporation | Circuit protection device |
KR100507457B1 (en) * | 1997-07-07 | 2005-08-10 | 마츠시타 덴끼 산교 가부시키가이샤 | Ptc thermistor chip and method for manufacturing the same |
US6020808A (en) | 1997-09-03 | 2000-02-01 | Bourns Multifuse (Hong Kong) Ltd. | Multilayer conductive polymer positive temperature coefficent device |
US6282072B1 (en) | 1998-02-24 | 2001-08-28 | Littelfuse, Inc. | Electrical devices having a polymer PTC array |
US6236302B1 (en) | 1998-03-05 | 2001-05-22 | Bourns, Inc. | Multilayer conductive polymer device and method of manufacturing same |
US6242997B1 (en) | 1998-03-05 | 2001-06-05 | Bourns, Inc. | Conductive polymer device and method of manufacturing same |
US6172591B1 (en) | 1998-03-05 | 2001-01-09 | Bourns, Inc. | Multilayer conductive polymer device and method of manufacturing same |
WO2000003402A1 (en) * | 1998-07-08 | 2000-01-20 | Matsushita Electric Industrial Co., Ltd. | Method for manufacturing chip ptc thermister |
US6228287B1 (en) | 1998-09-25 | 2001-05-08 | Bourns, Inc. | Two-step process for preparing positive temperature coefficient polymer materials |
US6582647B1 (en) | 1998-10-01 | 2003-06-24 | Littelfuse, Inc. | Method for heat treating PTC devices |
US6640420B1 (en) | 1999-09-14 | 2003-11-04 | Tyco Electronics Corporation | Process for manufacturing a composite polymeric circuit protection device |
US6854176B2 (en) * | 1999-09-14 | 2005-02-15 | Tyco Electronics Corporation | Process for manufacturing a composite polymeric circuit protection device |
US6429533B1 (en) | 1999-11-23 | 2002-08-06 | Bourns Inc. | Conductive polymer device and method of manufacturing same |
US6628498B2 (en) | 2000-08-28 | 2003-09-30 | Steven J. Whitney | Integrated electrostatic discharge and overcurrent device |
JP4780689B2 (en) * | 2001-03-09 | 2011-09-28 | ローム株式会社 | Chip resistor |
TW517421B (en) * | 2001-05-03 | 2003-01-11 | Inpaq Technology Co Ltd | Structure of SMT-type recoverable over-current protection device and its manufacturing method |
NL1018807C2 (en) * | 2001-08-23 | 2003-02-25 | Bc Components Holding B V | PTC resistor in SMD version. |
TWI286412B (en) * | 2002-07-25 | 2007-09-01 | Polytronics Technology Corp | Manufacturing method of over-current protection devices |
US7119655B2 (en) * | 2004-11-29 | 2006-10-10 | Therm-O-Disc, Incorporated | PTC circuit protector having parallel areas of effective resistance |
US20090027821A1 (en) * | 2007-07-26 | 2009-01-29 | Littelfuse, Inc. | Integrated thermistor and metallic element device and method |
EP2115234B1 (en) * | 2007-09-19 | 2011-05-18 | Valter Naldi | Panel and relative manufacturing system and method |
US7847673B2 (en) * | 2007-10-18 | 2010-12-07 | Xerox Corporation | Duplex-attachment of ceramic disk PTC to substrates |
JP5385218B2 (en) * | 2009-11-16 | 2014-01-08 | 三星エスディアイ株式会社 | Usage of secondary battery |
KR20180065426A (en) * | 2016-12-07 | 2018-06-18 | 삼성전자주식회사 | Semiconductor storage devices |
DE102019204472A1 (en) * | 2019-03-29 | 2020-10-01 | Eberspächer Catem Gmbh & Co. Kg | Heat-generating element and electrical heating device containing such |
CN114871505B (en) * | 2022-04-06 | 2024-02-09 | 肇庆市安信达电子有限公司 | Cutting machine of high-precision PTC thermistor |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2864013A (en) * | 1953-06-29 | 1958-12-09 | Electro Voice | Sensitive strain responsive transducer and method of construction |
US3086281A (en) * | 1957-05-06 | 1963-04-23 | Shockley William | Semiconductor leads and method of attaching |
US3221145A (en) * | 1963-09-06 | 1965-11-30 | Armstrong Cork Co | Laminated heating sheet |
CA1109073A (en) * | 1978-09-05 | 1981-09-15 | Uniroyal Chemical Co./Uniroyal Chemical Cie. | Method of making 5,6-dihydro-2-methyl-n-phenyl-1,4- oxathiin-3-carboxamide |
AU513097B2 (en) * | 1979-03-13 | 1980-11-13 | N.V. Philips Gloeilampenfabrieken | Thermistor element |
US4445026A (en) * | 1979-05-21 | 1984-04-24 | Raychem Corporation | Electrical devices comprising PTC conductive polymer elements |
US4327351A (en) * | 1979-05-21 | 1982-04-27 | Raychem Corporation | Laminates comprising an electrode and a conductive polymer layer |
US4272471A (en) * | 1979-05-21 | 1981-06-09 | Raychem Corporation | Method for forming laminates comprising an electrode and a conductive polymer layer |
DE2939470C2 (en) * | 1979-09-28 | 1982-04-08 | Siemens AG, 1000 Berlin und 8000 München | PTC thermistor heating device |
DE3227907A1 (en) * | 1982-07-26 | 1984-02-02 | Siemens AG, 1000 Berlin und 8000 München | METHOD FOR PRODUCING CERAMIC PTC RESISTORS WITH CLOSE TOLERATED ELECTRICAL VALUES |
US4783587A (en) * | 1984-12-18 | 1988-11-08 | Matsushita Electric Industrial Co., Ltd. | Self-regulating heating article having electrodes directly connected to a PTC layer |
JPS62209803A (en) * | 1986-03-10 | 1987-09-16 | 日本メクトロン株式会社 | Circuit device |
US4786888A (en) * | 1986-09-20 | 1988-11-22 | Murata Manufacturing Co., Ltd. | Thermistor and method of producing the same |
US4901186A (en) * | 1988-06-06 | 1990-02-13 | Therm-O-Disc, Incorporated | Temperature compensated thermal protector |
US4937551A (en) * | 1989-02-02 | 1990-06-26 | Therm-O-Disc, Incorporated | PTC thermal protector device |
-
1990
- 1990-05-16 AU AU55100/90A patent/AU637370B2/en not_active Ceased
- 1990-05-17 DE DE69028347T patent/DE69028347T2/en not_active Expired - Fee Related
- 1990-05-17 EP EP90401319A patent/EP0398811B1/en not_active Expired - Lifetime
- 1990-05-17 CA CA002017007A patent/CA2017007C/en not_active Expired - Fee Related
- 1990-05-18 US US07/524,920 patent/US5212466A/en not_active Expired - Fee Related
-
1993
- 1993-01-12 US US08/003,473 patent/US5351390A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU637370B2 (en) | 1993-05-27 |
DE69028347D1 (en) | 1996-10-10 |
CA2017007C (en) | 1998-12-29 |
US5212466A (en) | 1993-05-18 |
AU5510090A (en) | 1990-11-22 |
EP0398811A2 (en) | 1990-11-22 |
EP0398811B1 (en) | 1996-09-04 |
EP0398811A3 (en) | 1992-05-20 |
DE69028347T2 (en) | 1997-01-23 |
US5351390A (en) | 1994-10-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |