CA1177528A - Circuit protection devices - Google Patents

Circuit protection devices

Info

Publication number
CA1177528A
CA1177528A CA000375839A CA375839A CA1177528A CA 1177528 A CA1177528 A CA 1177528A CA 000375839 A CA000375839 A CA 000375839A CA 375839 A CA375839 A CA 375839A CA 1177528 A CA1177528 A CA 1177528A
Authority
CA
Canada
Prior art keywords
conductive polymer
electrodes
slice
type
slices
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.)
Expired
Application number
CA000375839A
Other languages
English (en)
French (fr)
Inventor
Joseph H. Evans
Lee M. Middleman
Victor A. Scheff
Arthur E. Blake
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Raychem Corp
Original Assignee
Raychem Corp
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 Raychem Corp filed Critical Raychem Corp
Application granted granted Critical
Publication of CA1177528A publication Critical patent/CA1177528A/en
Expired legal-status Critical Current

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
    • H01C7/027—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 consisting of conducting or semi-conducting material dispersed in a non-conductive organic material
    • 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
    • H01C7/13—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 current responsive

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Thermistors And Varistors (AREA)
  • Resistance Heating (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Bipolar Transistors (AREA)
CA000375839A 1980-04-21 1981-04-21 Circuit protection devices Expired CA1177528A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/142,054 US4317027A (en) 1980-04-21 1980-04-21 Circuit protection devices
US142,054 1980-04-21

Publications (1)

Publication Number Publication Date
CA1177528A true CA1177528A (en) 1984-11-06

Family

ID=22498387

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000375839A Expired CA1177528A (en) 1980-04-21 1981-04-21 Circuit protection devices

Country Status (8)

Country Link
US (1) US4317027A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0038717B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS56160006A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) ATE15112T1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1177528A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3171887D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2074375B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
HK (1) HK82389A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (78)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4445026A (en) * 1979-05-21 1984-04-24 Raychem Corporation Electrical devices comprising PTC conductive polymer elements
US4413301A (en) 1980-04-21 1983-11-01 Raychem Corporation Circuit protection devices comprising PTC element
JPS6316156Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1980-10-08 1988-05-09
US4542365A (en) * 1982-02-17 1985-09-17 Raychem Corporation PTC Circuit protection device
US4549161A (en) * 1982-02-17 1985-10-22 Raychem Corporation PTC Circuit protection device
US4481498A (en) * 1982-02-17 1984-11-06 Raychem Corporation PTC Circuit protection device
US4550301A (en) * 1982-02-17 1985-10-29 Raychem Corporation PTC Circuit protection device
AT383931B (de) * 1982-11-11 1987-09-10 Hans Oppitz Flaechenheizelement, insbesondere fuer verbaende oder heizdecken
US4548662A (en) * 1983-05-11 1985-10-22 Raychem Corporation Method of providing a protective covering over a substrate
US4517449A (en) * 1983-05-11 1985-05-14 Raychem Corporation Laminar electrical heaters
EP0250776B1 (en) 1983-06-30 1992-06-10 RAYCHEM CORPORATION (a Delaware corporation) Method for detecting and obtaining information about changes in variables
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
US4884163A (en) * 1985-03-14 1989-11-28 Raychem Corporation Conductive polymer devices
US4857880A (en) * 1985-03-14 1989-08-15 Raychem Corporation Electrical devices comprising cross-linked conductive polymers
US4774024A (en) * 1985-03-14 1988-09-27 Raychem Corporation Conductive polymer compositions
US4724417A (en) * 1985-03-14 1988-02-09 Raychem Corporation Electrical devices comprising cross-linked conductive polymers
US4647894A (en) * 1985-03-14 1987-03-03 Raychem Corporation Novel designs for packaging circuit protection devices
DE3775097D1 (de) 1986-02-20 1992-01-23 Raychem Corp Einen ionentauschenden stoff verwendende verfahren und gegenstand.
JPH0690962B2 (ja) * 1986-03-31 1994-11-14 日本メクトロン株式会社 Ｐｔｃ素子の製造法
US4924074A (en) * 1987-09-30 1990-05-08 Raychem Corporation Electrical device comprising conductive polymers
US5166658A (en) * 1987-09-30 1992-11-24 Raychem Corporation Electrical device comprising conductive polymers
US4907340A (en) * 1987-09-30 1990-03-13 Raychem Corporation Electrical device comprising conductive polymers
US4937435A (en) * 1987-12-14 1990-06-26 Thermon Manufacturing Company Flexible electric heating pad using PTC ceramic thermistor chip heating elements
US5066104A (en) * 1988-03-25 1991-11-19 Raychem Corporation Liquid crystal electrical fault indicators
US4873508A (en) * 1988-06-06 1989-10-10 Therm-O-Disc, Incorporated Variable resistance thermal protector and method of making same
US4919744A (en) * 1988-09-30 1990-04-24 Raychem Corporation Method of making a flexible heater comprising a conductive polymer
US5089801A (en) * 1990-09-28 1992-02-18 Raychem Corporation Self-regulating ptc devices having shaped laminar conductive terminals
US5436609A (en) * 1990-09-28 1995-07-25 Raychem Corporation Electrical device
US5250228A (en) * 1991-11-06 1993-10-05 Raychem Corporation Conductive polymer composition
US5303115A (en) * 1992-01-27 1994-04-12 Raychem Corporation PTC circuit protection device comprising mechanical stress riser
US5254968A (en) * 1992-06-15 1993-10-19 General Motors Corporation Electrically conductive plastic speed control resistor for an automotive blower motor
US5852397A (en) * 1992-07-09 1998-12-22 Raychem Corporation Electrical devices
US5451919A (en) * 1993-06-29 1995-09-19 Raychem Corporation Electrical device comprising a conductive polymer composition
CN1054941C (zh) 1994-05-16 2000-07-26 雷伊化学公司 有聚合物正温度系数电阻元件的电路保护器件
DE4441280C2 (de) * 1994-11-19 1998-08-27 Asea Brown Boveri Kaltleiter und Vorrichtung zur Strombegrenzung mit mindestens einem Kaltleiter
US5614881A (en) * 1995-08-11 1997-03-25 General Electric Company Current limiting device
DE69606310T2 (de) * 1995-08-15 2001-04-05 Bourns, Multifuse (Hong Kong) Ltd. Oberflächenmontierte leitfähige bauelemente und verfahren zur herstellung derselben
TW309619B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1995-08-15 1997-07-01 Mourns Multifuse Hong Kong Ltd
US5666254A (en) * 1995-09-14 1997-09-09 Raychem Corporation Voltage sensing overcurrent protection circuit
US5737160A (en) * 1995-09-14 1998-04-07 Raychem Corporation Electrical switches comprising arrangement of mechanical switches and PCT device
US5689395A (en) * 1995-09-14 1997-11-18 Raychem Corporation Overcurrent protection circuit
US5864458A (en) * 1995-09-14 1999-01-26 Raychem Corporation Overcurrent protection circuits comprising combinations of PTC devices and switches
EP1012940B1 (en) 1996-07-16 2009-11-18 Raychem Corporation Circuit protection arrangements
US5841111A (en) * 1996-12-19 1998-11-24 Eaton Corporation Low resistance electrical interface for current limiting polymers by plasma processing
US5929744A (en) * 1997-02-18 1999-07-27 General Electric Company Current limiting device with at least one flexible electrode
US6535103B1 (en) 1997-03-04 2003-03-18 General Electric Company Current limiting arrangement and method
US5977861A (en) * 1997-03-05 1999-11-02 General Electric Company Current limiting device with grooved electrode structure
CN1135570C (zh) 1997-06-04 2004-01-21 泰科电子有限公司 电路保护器件
US6191681B1 (en) 1997-07-21 2001-02-20 General Electric Company Current limiting device with electrically conductive composite and method of manufacturing the electrically conductive composite
US6020808A (en) 1997-09-03 2000-02-01 Bourns Multifuse (Hong Kong) Ltd. Multilayer conductive polymer positive temperature coefficent device
US6078160A (en) * 1997-10-31 2000-06-20 Cilluffo; Anthony Bidirectional DC motor control circuit including overcurrent protection PTC device and relay
US6373372B1 (en) 1997-11-24 2002-04-16 General Electric Company Current limiting device with conductive composite material and method of manufacturing the conductive composite material and the current limiting device
US6128168A (en) * 1998-01-14 2000-10-03 General Electric Company Circuit breaker with improved arc interruption function
JP2002503075A (ja) 1998-02-06 2002-01-29 タイコ・エレクトロニクス・コーポレイション 電気的保護システム
AU2576799A (en) * 1998-02-06 1999-08-23 Raychem Limited Electrical systems
US6172591B1 (en) 1998-03-05 2001-01-09 Bourns, Inc. Multilayer conductive polymer device and method of manufacturing same
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
US6380839B2 (en) 1998-03-05 2002-04-30 Bourns, Inc. Surface mount conductive polymer device
US6290879B1 (en) 1998-05-20 2001-09-18 General Electric Company Current limiting device and materials for a current limiting device
US6124780A (en) * 1998-05-20 2000-09-26 General Electric Company Current limiting device and materials for a current limiting device
DE19833609A1 (de) * 1998-07-25 2000-01-27 Abb Research Ltd Elektrisches Bauteil mit einer Einschnürung in einem PTC-Polymerelement
US6133820A (en) * 1998-08-12 2000-10-17 General Electric Company Current limiting device having a web structure
US6349022B1 (en) 1998-09-18 2002-02-19 Tyco Electronics Corporation Latching protection circuit
WO2000019455A1 (en) 1998-09-25 2000-04-06 Bourns, Inc. Two-step process for preparing positive temperature coefficient polymer materials
JP3624395B2 (ja) * 1999-02-15 2005-03-02 株式会社村田製作所 チップ型サーミスタの製造方法
US6144540A (en) * 1999-03-09 2000-11-07 General Electric Company Current suppressing circuit breaker unit for inductive motor protection
US6157286A (en) * 1999-04-05 2000-12-05 General Electric Company High voltage current limiting device
US6300859B1 (en) 1999-08-24 2001-10-09 Tyco Electronics Corporation Circuit protection 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
US6323751B1 (en) 1999-11-19 2001-11-27 General Electric Company Current limiter device with an electrically conductive composite material and method of manufacturing
US6429533B1 (en) 1999-11-23 2002-08-06 Bourns Inc. Conductive polymer device and method of manufacturing same
EP1120799B1 (en) * 2000-01-25 2007-01-24 Abb Research Ltd. An electrical device comprising a PTC polymer element for overcurrent fault and short-circuit current fault protection
KR100381917B1 (ko) * 2001-02-16 2003-04-26 엘지전선 주식회사 3층 전도성 복합체를 함유한 전기소자
WO2004001773A2 (en) * 2002-06-25 2003-12-31 Tyco Electronics Corporation Integrated device providing overcurrent and overvoltage protection and common-mode filtering to data bus interface
DE602006006063D1 (de) * 2005-07-29 2009-05-14 Tyco Electronics Corp Schutzvorrichtung für einen schaltkreis mit wärmegekoppeltem mov-überspannungselement und pptc-überstromelement
US10878980B2 (en) * 2017-09-12 2020-12-29 Littelfuse, Inc. PPTC material with low percolation threshold for conductive filler

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3351882A (en) * 1964-10-09 1967-11-07 Polyelectric Corp Plastic resistance elements and methods for making same
FR2150441B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1971-08-23 1974-08-19 Matsushita Electric Ind Co Ltd
JPS568457B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-05-30 1981-02-24 Matsushita Electric Ind Co Ltd
US4017715A (en) * 1975-08-04 1977-04-12 Raychem Corporation Temperature overshoot heater
US4177376A (en) * 1974-09-27 1979-12-04 Raychem Corporation Layered self-regulating heating article
US4177446A (en) * 1975-12-08 1979-12-04 Raychem Corporation Heating elements comprising conductive polymers capable of dimensional change
GB2024579B (en) * 1978-06-15 1982-12-08 Hotfoil Ltd Resistance heating tape
US4238812A (en) * 1978-12-01 1980-12-09 Raychem Corporation Circuit protection devices comprising PTC elements
US4272471A (en) * 1979-05-21 1981-06-09 Raychem Corporation Method for forming laminates comprising an electrode and a conductive polymer layer
BR8101228A (pt) * 1980-03-03 1981-09-08 Minnesota Mining & Mfg Composicao elastomerica, artigo tubular elastomerico e artigo para uso em emenda e terminacao de cabos de energia eletrica
US4352083A (en) * 1980-04-21 1982-09-28 Raychem Corporation Circuit protection devices

Also Published As

Publication number Publication date
US4317027A (en) 1982-02-23
JPH0340482B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-06-19
EP0038717A2 (en) 1981-10-28
GB2074375A (en) 1981-10-28
HK82389A (en) 1989-10-27
DE3171887D1 (en) 1985-09-26
EP0038717B1 (en) 1985-08-21
GB2074375B (en) 1984-04-18
JPS56160006A (en) 1981-12-09
ATE15112T1 (de) 1985-09-15
EP0038717A3 (en) 1983-02-09

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Legal Events

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MKEX Expiry