DE69225104D1 - PCT-Zusammensetzung - Google Patents
PCT-ZusammensetzungInfo
- 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
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
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)
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)
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 |
-
1991
- 1991-09-26 JP JP3247706A patent/JPH0590009A/ja active Pending
-
1992
- 1992-09-15 US US07/944,974 patent/US5374379A/en not_active Expired - Fee Related
- 1992-09-23 EP EP92308633A patent/EP0534721B1/de not_active Expired - Lifetime
- 1992-09-23 DE DE69225104T patent/DE69225104T2/de not_active Expired - Fee Related
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 |