HK1006773A1 - Electrical device comprising conductive polymers - Google Patents

Electrical device comprising conductive polymers

Info

Publication number
HK1006773A1
HK1006773A1 HK98105929A HK98105929A HK1006773A1 HK 1006773 A1 HK1006773 A1 HK 1006773A1 HK 98105929 A HK98105929 A HK 98105929A HK 98105929 A HK98105929 A HK 98105929A HK 1006773 A1 HK1006773 A1 HK 1006773A1
Authority
HK
Hong Kong
Prior art keywords
ptc
resistor
conductive polymer
electrical device
conductive polymers
Prior art date
Application number
HK98105929A
Inventor
Shou-Mean Fang
David A Horsma
Guillaume Peronnet
Charles H Camphouse
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
Priority claimed from US07/102,987 external-priority patent/US4907340A/en
Application filed by Raychem Corp filed Critical Raychem Corp
Publication of HK1006773A1 publication Critical patent/HK1006773A1/en

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
    • H05B3/146—Conductive polymers, e.g. polyethylene, thermoplastics

Landscapes

  • Thermistors And Varistors (AREA)
  • Conductive Materials (AREA)
  • Resistance Heating (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Multicomponent Fibers (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Silicon Polymers (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)

Abstract

Circuit protection systems which comprise a PTC resistor (1) and a second resistor (6), e.g. a thick film resistor (6), which is thermally and electrically connected to the PTC resistor have a break current IB and a hold current IH such that the ratio IB/IH is at most 20. Suitable PTC resistors (1) are conductive polymer devices which comprise a PTC element (10) which has been radiation crosslinked under conditions such that the average dose rate is at most 3.0 Mrad/minute or during which no part of the PTC element (10) which is in contact with the electrodes (2, 3) reaches a temperature greater than (Tm-60) DEG C, where Tm is the melting point of the polymeric component of the conductive polymer (10).
HK98105929A 1987-09-30 1998-06-22 Electrical device comprising conductive polymers HK1006773A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US07/102,987 US4907340A (en) 1987-09-30 1987-09-30 Electrical device comprising conductive polymers
US11508987A 1987-10-30 1987-10-30
US12469687A 1987-11-24 1987-11-24
PCT/US1988/003377 WO1989003162A1 (en) 1987-09-30 1988-09-30 Electrical device comprising conductive polymers

Publications (1)

Publication Number Publication Date
HK1006773A1 true HK1006773A1 (en) 1999-03-12

Family

ID=27379448

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98105929A HK1006773A1 (en) 1987-09-30 1998-06-22 Electrical device comprising conductive polymers

Country Status (7)

Country Link
EP (1) EP0390807B1 (en)
JP (2) JP3335348B2 (en)
KR (1) KR890702405A (en)
AT (1) ATE145512T1 (en)
DE (1) DE3855679T2 (en)
HK (1) HK1006773A1 (en)
WO (1) WO1989003162A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2573665Y2 (en) * 1991-07-18 1998-06-04 株式会社村田製作所 Surge absorber with built-in resistor
ATE221693T1 (en) * 1997-07-01 2002-08-15 Tyco Electronics Logistics Ag HYBRID CIRCUIT ARRANGEMENT WITH OVERLOAD PROTECTION
KR20030024256A (en) * 2001-09-17 2003-03-26 주식회사 쎄라텍 Manufacturing method for polymer positive temperature coefficient thermistor
US9175146B2 (en) 2006-08-08 2015-11-03 Sabic Global Technologies B.V. Thermal conductive polymeric PTC compositions
SE530660C2 (en) 2006-10-17 2008-08-05 Conflux Ab Positive temperature coefficient superimposed impedance polymeric compound used in heating elements comprises electrically insulating matrix with amorphous polymer and two electrically conductive particles having different surface energies
JP2007059952A (en) * 2006-12-04 2007-03-08 Tdk Corp Manufacturing method of p-ptc thermistor composition, p-ptc thermistor composition, p-ptc thermistor element body, and p-ptc thermistor
JP2008213661A (en) * 2007-03-05 2008-09-18 Misato Kk Vehicular planar heat generation body and vehicle heating device using this
US20110188166A1 (en) * 2008-07-10 2011-08-04 Hiroyuki Koyama PTC Device and Electrical Apparatus Containing the Same
KR101129251B1 (en) * 2009-10-13 2012-03-26 (주) 유니플라텍 Method for manufacturing of ptc device and its system for preventing overheating of planar heaters using the same
CN104411030B (en) * 2014-11-27 2016-08-24 芜湖敬创电子科技有限公司 Eliminate faradic heating element device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4413301A (en) * 1980-04-21 1983-11-01 Raychem Corporation Circuit protection devices comprising PTC element
US4400614A (en) * 1980-05-19 1983-08-23 Raychem Corporation PTC Devices and their preparation
FR2525858A1 (en) * 1982-04-29 1983-11-04 Burton Corblin TANK FOR THE PREPARATION OF QUILLED FOR THE MANUFACTURE OF CHEESES
FR2528253A1 (en) * 1982-06-04 1983-12-09 Jaeger Overvoltage protection circuit for electronic components - has zener diode and PTC resistor connected in series and in good thermal contact
NL8202666A (en) * 1982-07-02 1984-02-01 Philips Nv NET VOLTAGE DISCRIMINATION DEVICE.
US4514620A (en) * 1983-09-22 1985-04-30 Raychem Corporation Conductive polymers exhibiting PTC characteristics
US4724417A (en) * 1985-03-14 1988-02-09 Raychem Corporation Electrical devices comprising cross-linked conductive polymers
US4743321A (en) * 1985-10-04 1988-05-10 Raychem Corporation Devices comprising PTC conductive polymers

Also Published As

Publication number Publication date
JPH11150003A (en) 1999-06-02
EP0390807A1 (en) 1990-10-10
ATE145512T1 (en) 1996-12-15
EP0390807A4 (en) 1991-03-13
EP0390807B1 (en) 1996-11-20
DE3855679T2 (en) 1997-06-19
JP3335348B2 (en) 2002-10-15
JPH03500470A (en) 1991-01-31
DE3855679D1 (en) 1997-01-02
JP3181263B2 (en) 2001-07-03
WO1989003162A1 (en) 1989-04-06
KR890702405A (en) 1989-12-23

Similar Documents

Publication Publication Date Title
AU587237B2 (en) Electrical devices comprising cross-linked conductive polymers
DE3166908D1 (en) A ptc circuit protection device
EP0087884A1 (en) PTC circuit protection device
JPS56160006A (en) Electric device with positive temperature coefficient element
HK130796A (en) Circuit protection device
DK473086D0 (en) ARTICLES INCLUDING LEADING POLYMERS WITH POSITIVE TEMPERATURE COEFFICIENT
CA2054487A1 (en) Ptc element
SE7909910L (en) CIRCUIT PROTECTION
TW263589B (en) Electrical devices containing conductive polymers
EP0018067A1 (en) Line protector for a communications circuit
HK1006773A1 (en) Electrical device comprising conductive polymers
GB2135508B (en) Indirectly-heated ptc devices
ES2032991T3 (en) ISOLATED ELECTRIC HEATER ELEMENT WITH SAFETY DEVICE TO DETECT THE FAILURE OF THE ELECTRICAL INSULATION.
EP0209224B1 (en) Sheet heaters
DE3855106D1 (en) LAMINAR ELECTRIC HEATING DEVICE

Legal Events

Date Code Title Description
PF Patent in force
PE Patent expired

Effective date: 20080929