HK82389A - Electrical devices containing ptc elements - Google Patents

Electrical devices containing ptc elements

Info

Publication number
HK82389A
HK82389A HK823/89A HK82389A HK82389A HK 82389 A HK82389 A HK 82389A HK 823/89 A HK823/89 A HK 823/89A HK 82389 A HK82389 A HK 82389A HK 82389 A HK82389 A HK 82389A
Authority
HK
Hong Kong
Prior art keywords
electrical devices
devices containing
ptc elements
conductive polymer
containing ptc
Prior art date
Application number
HK823/89A
Other languages
English (en)
Inventor
Andrew Scheff Victor
Mark Middleman Lee
Edward Blake Arthur
Hill Evans Joseph
Original Assignee
Raychem Corporation
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 Corporation filed Critical Raychem Corporation
Publication of HK82389A publication Critical patent/HK82389A/xx

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)
HK823/89A 1980-04-21 1989-10-19 Electrical devices containing ptc elements HK82389A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
HK82389A true HK82389A (en) 1989-10-27

Family

ID=22498387

Family Applications (1)

Application Number Title Priority Date Filing Date
HK823/89A HK82389A (en) 1980-04-21 1989-10-19 Electrical devices containing ptc elements

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)

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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
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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
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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
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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

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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
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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
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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
DE3171887D1 (en) 1985-09-26
EP0038717B1 (en) 1985-08-21
GB2074375B (en) 1984-04-18
CA1177528A (en) 1984-11-06
JPS56160006A (en) 1981-12-09
ATE15112T1 (de) 1985-09-15
EP0038717A3 (en) 1983-02-09

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Legal Events

Date Code Title Description
PE Patent expired