BE809879A - Attenuation de la variation de la resistivite - Google Patents

Attenuation de la variation de la resistivite

Info

Publication number
BE809879A
BE809879A BE139930A BE139930A BE809879A BE 809879 A BE809879 A BE 809879A BE 139930 A BE139930 A BE 139930A BE 139930 A BE139930 A BE 139930A BE 809879 A BE809879 A BE 809879A
Authority
BE
Belgium
Prior art keywords
resistivity
attenuation
variation
Prior art date
Application number
BE139930A
Other languages
English (en)
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 filed Critical
Publication of BE809879A publication Critical patent/BE809879A/fr

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
    • 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

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Resistance Heating (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Thermistors And Varistors (AREA)
BE139930A 1973-01-18 1974-01-17 Attenuation de la variation de la resistivite BE809879A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00324786A US3823217A (en) 1973-01-18 1973-01-18 Resistivity variance reduction

Publications (1)

Publication Number Publication Date
BE809879A true BE809879A (fr) 1974-07-17

Family

ID=23265098

Family Applications (1)

Application Number Title Priority Date Filing Date
BE139930A BE809879A (fr) 1973-01-18 1974-01-17 Attenuation de la variation de la resistivite

Country Status (6)

Country Link
US (1) US3823217A (fr)
BE (1) BE809879A (fr)
CA (1) CA1004777A (fr)
DE (1) DE2402475A1 (fr)
FR (1) FR2214947B1 (fr)
GB (1) GB1453147A (fr)

Families Citing this family (66)

* Cited by examiner, † Cited by third party
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US4954695A (en) * 1972-09-08 1990-09-04 Raychem Corporation Self-limiting conductive extrudates and methods therefor
US4017715A (en) * 1975-08-04 1977-04-12 Raychem Corporation Temperature overshoot heater
DE2513362C3 (de) * 1974-03-29 1981-06-04 Shin Misato Saitama Kiyokawa Verfahren zur Herstellung eines flachen Heizelementes
US4074222A (en) * 1974-03-29 1978-02-14 Shin Kiyokawa Planar heating element
GB1521460A (en) * 1974-08-30 1978-08-16 Raychem Corp Self-limiting electrically resistive article and process for its manufacture
CA1074096A (fr) * 1974-09-27 1980-03-25 David A. Horsma Compositions a coefficient thermique positif
US4330703A (en) * 1975-08-04 1982-05-18 Raychem Corporation Layered self-regulating heating article
US4177376A (en) * 1974-09-27 1979-12-04 Raychem Corporation Layered self-regulating heating article
US4286376A (en) * 1975-01-20 1981-09-01 Raychem Corporation Method of making heater cable of self-limiting conductive extrudates
US4560498A (en) * 1975-08-04 1985-12-24 Raychem Corporation Positive temperature coefficient of resistance compositions
US4876440A (en) * 1976-12-13 1989-10-24 Raychem Corporation Electrical devices comprising conductive polymer compositions
US4866253A (en) * 1976-12-13 1989-09-12 Raychem Corporation Electrical devices comprising conductive polymer compositions
US4426339B1 (en) 1976-12-13 1993-12-21 Raychem Corp. Method of making electrical devices comprising conductive polymer compositions
US4764664A (en) * 1976-12-13 1988-08-16 Raychem Corporation Electrical devices comprising conductive polymer compositions
US4242573A (en) * 1979-01-24 1980-12-30 Raychem Corporation Water immersible heater
US4367168A (en) * 1979-03-26 1983-01-04 E-B Industries, Inc. Electrically conductive composition, process for making an article using same
US4277673A (en) * 1979-03-26 1981-07-07 E-B Industries, Inc. Electrically conductive self-regulating article
US4327480A (en) * 1979-03-26 1982-05-04 Ensign-Bickford Industries, Inc. Electrically conductive composition, process for making an article using same
US4318220A (en) * 1979-04-19 1982-03-09 Raychem Corporation Process for recovering heat recoverable sheet material
CA1150754A (fr) * 1979-05-10 1983-07-26 George M. Gale Elements chauffants souples, et methodes de production connexes
US4543474A (en) * 1979-09-24 1985-09-24 Raychem Corporation Layered self-regulating heating article
US4591700A (en) * 1980-05-19 1986-05-27 Raychem Corporation PTC compositions
CA1168433A (fr) * 1980-05-19 1984-06-05 Umesh K. Sopory Polymeres conducteurs ptc et dispositifs qui en contiennent
US4318881A (en) * 1980-05-19 1982-03-09 Raychem Corporation Method for annealing PTC compositions
GB2100559B (en) * 1981-06-15 1985-05-15 Raychem Corp Fuel line heater feedthrough
US5093898A (en) * 1981-09-09 1992-03-03 Raychem Corporation Electrical device utilizing conductive polymer composition
US4935156A (en) * 1981-09-09 1990-06-19 Raychem Corporation Conductive polymer compositions
US5025131A (en) * 1981-09-09 1991-06-18 Raychem Corporation Method of heating diesel fuel utilizing conductive polymer heating elements
US4693940A (en) * 1983-02-14 1987-09-15 Raychem Corporation Laminate and method of preparing same
US4560524A (en) * 1983-04-15 1985-12-24 Smuckler Jack H Method of manufacturing a positive temperature coefficient resistive heating element
US4724417A (en) * 1985-03-14 1988-02-09 Raychem Corporation Electrical devices comprising cross-linked conductive polymers
US4857880A (en) * 1985-03-14 1989-08-15 Raychem Corporation Electrical devices comprising cross-linked conductive polymers
US4668857A (en) * 1985-08-16 1987-05-26 Belton Corporation Temperature self-regulating resistive heating element
DK87287A (da) 1986-02-20 1987-08-21 Raychem Corp Fremgangsmaade og apparat for anvendelse af ionbyttemateriale
FR2603132B1 (fr) * 1986-08-21 1988-11-25 Electricite De France Procede de fabrication d'elements chauffants autoregulants a temperature de commutation elevee et nouveaux elements chauffants autoregulants susceptibles d'etre obtenus par mise en oeuvre de ce procede
US4889975A (en) * 1988-03-16 1989-12-26 The Fluorocarbon Company Self-regulating heater having a heat tape that stops tracking
US5057673A (en) * 1988-05-19 1991-10-15 Fluorocarbon Company Self-current-limiting devices and method of making same
EP0344734B1 (fr) * 1988-06-01 1995-01-11 Matsushita Electric Industrial Co., Ltd. Composition chauffante pour l'autorégulation de la température
US5185594A (en) * 1991-05-20 1993-02-09 Furon Company Temperature sensing cable device and method of making same
US5554679A (en) * 1994-05-13 1996-09-10 Cheng; Tai C. PTC conductive polymer compositions containing high molecular weight polymer materials
KR0151677B1 (ko) * 1995-02-08 1998-12-15 권문구 도전성 고분자 발열체의 열처리방법
TW309619B (fr) * 1995-08-15 1997-07-01 Mourns Multifuse Hong Kong Ltd
EP0845148B1 (fr) * 1995-08-15 2000-01-19 Bourns Multifuse (Hong Kong), Ltd. Dispositifs polymeriques conducteurs pour montage en surface et procede de fabrication
US6059997A (en) * 1995-09-29 2000-05-09 Littlelfuse, Inc. Polymeric PTC compositions
US6023403A (en) * 1996-05-03 2000-02-08 Littlefuse, Inc. Surface mountable electrical device comprising a PTC and fusible element
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
US6380839B2 (en) 1998-03-05 2002-04-30 Bourns, Inc. Surface mount conductive polymer device
US6242997B1 (en) 1998-03-05 2001-06-05 Bourns, Inc. 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
US6172591B1 (en) 1998-03-05 2001-01-09 Bourns, Inc. Multilayer conductive polymer device and method of manufacturing same
US5993990A (en) * 1998-05-15 1999-11-30 Moltech Corporation PTC current limiting header assembly
WO2000019455A1 (fr) 1998-09-25 2000-04-06 Bourns, Inc. Procede en deux etapes pour preparer des matieres polymeres a coefficient de temperature positif
US6582647B1 (en) 1998-10-01 2003-06-24 Littelfuse, Inc. Method for heat treating PTC devices
US6429533B1 (en) 1999-11-23 2002-08-06 Bourns Inc. Conductive polymer device and method of manufacturing same
US7111624B2 (en) 2000-03-21 2006-09-26 Fisher & Paykel Healthcare Limited Apparatus for delivering humidified gases
US7588029B2 (en) * 2000-03-21 2009-09-15 Fisher & Paykel Healthcare Limited Humidified gases delivery apparatus
US6628498B2 (en) 2000-08-28 2003-09-30 Steven J. Whitney Integrated electrostatic discharge and overcurrent device
US8206337B2 (en) 2000-10-16 2012-06-26 Fisher & Paykel Healthcare Limited Apparatus used for the humidification of gases in medical procedures
KR100454732B1 (ko) * 2001-08-25 2004-11-05 엘지전선 주식회사 전도성 중합체 조성물. 이 조성물의 특성을 조절하는 방법및 이 조성물을 이용한 전기장치
US7132922B2 (en) * 2002-04-08 2006-11-07 Littelfuse, Inc. Direct application voltage variable material, components thereof and devices employing same
CN100350606C (zh) * 2002-04-08 2007-11-21 力特保险丝有限公司 使用压变材料的装置
US7183891B2 (en) * 2002-04-08 2007-02-27 Littelfuse, Inc. Direct application voltage variable material, devices employing same and methods of manufacturing such devices
JP5108516B2 (ja) 2004-08-20 2012-12-26 フィッシャー アンド ペイケル ヘルスケア リミテッド 患者に供給されているガスの特性を測定する装置
US20090027821A1 (en) * 2007-07-26 2009-01-29 Littelfuse, Inc. Integrated thermistor and metallic element device and method
CA3011250A1 (fr) 2016-01-12 2017-07-20 3M Innovative Properties Company Ruban chauffant et systeme

Also Published As

Publication number Publication date
US3823217A (en) 1974-07-09
CA1004777A (en) 1977-02-01
FR2214947A1 (fr) 1974-08-19
FR2214947B1 (fr) 1982-01-15
GB1453147A (en) 1976-10-20
DE2402475A1 (de) 1974-08-08

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: RAYCHEM CORP.

Effective date: 19920131