DE69225104D1 - PCT-Zusammensetzung - Google Patents

PCT-Zusammensetzung

Info

Publication number
DE69225104D1
DE69225104D1 DE69225104T DE69225104T DE69225104D1 DE 69225104 D1 DE69225104 D1 DE 69225104D1 DE 69225104 T DE69225104 T DE 69225104T DE 69225104 T DE69225104 T DE 69225104T DE 69225104 D1 DE69225104 D1 DE 69225104D1
Authority
DE
Germany
Prior art keywords
pct composition
pct
composition
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 - Fee Related
Application number
DE69225104T
Other languages
English (en)
Other versions
DE69225104T2 (de
Inventor
Norio Tsubokawa
Naoki Yamazaki
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.)
Daito Tsushinki KK
Original Assignee
Daito Tsushinki KK
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 Daito Tsushinki KK filed Critical Daito Tsushinki KK
Publication of DE69225104D1 publication Critical patent/DE69225104D1/de
Application granted granted Critical
Publication of DE69225104T2 publication Critical patent/DE69225104T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01C7/02—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
    • H01C7/021—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 formed as one or more layers or coatings
DE69225104T 1991-09-26 1992-09-23 PCT-Zusammensetzung Expired - Fee Related DE69225104T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3247706A JPH0590009A (ja) 1991-09-26 1991-09-26 Ｐｔｃ組成物

Publications (2)

Publication Number Publication Date
DE69225104D1 true DE69225104D1 (de) 1998-05-20
DE69225104T2 DE69225104T2 (de) 1998-11-19

Family

ID=17167454

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69225104T Expired - Fee Related DE69225104T2 (de) 1991-09-26 1992-09-23 PCT-Zusammensetzung

Country Status (4)

Country Link
US (1) US5374379A (de)
EP (1) EP0534721B1 (de)
JP (1) JPH0590009A (de)
DE (1) DE69225104T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1267672B1 (it) * 1994-01-17 1997-02-07 Hydor Srl Composto resistivo termosensibile, suo metodo di realizzazione ed uso
US5691689A (en) * 1995-08-11 1997-11-25 Eaton Corporation Electrical circuit protection devices comprising PTC conductive liquid crystal polymer compositions
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
KR100442022B1 (ko) * 1996-05-21 2004-10-14 타이코 엘렉트로닉스 로지스틱스 아게 화학적으로그래프팅된전기장치
US6282072B1 (en) 1998-02-24 2001-08-28 Littelfuse, Inc. Electrical devices having a polymer PTC array
US6582647B1 (en) 1998-10-01 2003-06-24 Littelfuse, Inc. Method for heat treating PTC devices
US5963121A (en) * 1998-11-11 1999-10-05 Ferro Corporation Resettable fuse
US6628498B2 (en) 2000-08-28 2003-09-30 Steven J. Whitney Integrated electrostatic discharge and overcurrent device

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4560498A (en) * 1975-08-04 1985-12-24 Raychem Corporation Positive temperature coefficient of resistance compositions
US4188276A (en) * 1975-08-04 1980-02-12 Raychem Corporation Voltage stable positive temperature coefficient of resistance crosslinked compositions
US4658121A (en) * 1975-08-04 1987-04-14 Raychem Corporation Self regulating heating device employing positive temperature coefficient of resistance compositions
US4534889A (en) * 1976-10-15 1985-08-13 Raychem Corporation PTC Compositions and devices comprising them
US4775778A (en) * 1976-10-15 1988-10-04 Raychem Corporation PTC compositions and devices comprising them
US4545926A (en) * 1980-04-21 1985-10-08 Raychem Corporation Conductive polymer compositions and devices
JPS58179241A (ja) * 1982-04-14 1983-10-20 Toray Ind Inc 導電性熱可塑性樹脂発泡体
JPS6076552A (ja) * 1984-08-30 1985-05-01 Tokuyama Sekisui Kogyo Kk 導電性樹脂組成物
JPS61123665A (ja) * 1984-11-19 1986-06-11 Matsushita Electric Ind Co Ltd 導電性樹脂組成物の製造方法
US4880577A (en) * 1987-07-24 1989-11-14 Daito Communication Apparatus Co., Ltd. Process for producing self-restoring over-current protective device by grafting method
JP2810740B2 (ja) * 1989-12-27 1998-10-15 大東通信機株式会社 グラフト化法によるｐｔｃ組成物
JPH0688350B2 (ja) * 1990-01-12 1994-11-09 出光興産株式会社 正温度係数特性成形体の製造方法
JPH04167501A (ja) * 1990-10-31 1992-06-15 Daito Tsushinki Kk Ｐｔｃ素子

Also Published As

Publication number Publication date
JPH0590009A (ja) 1993-04-09
EP0534721A3 (en) 1994-05-25
EP0534721B1 (de) 1998-04-15
US5374379A (en) 1994-12-20
DE69225104T2 (de) 1998-11-19
EP0534721A2 (de) 1993-03-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee