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특허 상세정보

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내보내기 페이스북 공유 카카오톡 공유

Method of making an electrical device comprising a conductive polymer composition

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H01C-007/10    H01C-007/13   
미국특허분류(USC) 338/22R ; 338/22SD ; 427/58 ; 427/256
출원번호 US-0805212 (1991-12-11)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 62  인용 특허 : 0
초록

A polymer thick film ink which exhibits PTC behavior comprising an organic polymer which is crystalline, an active solvent suitable for dissolving the polymer, and carbon black which has a pH of less than 4.0. The ink is particularly useful in producing electrical devices such as heaters and circuit protection devices.

대표
청구항
▼

An electrical device which comprises (1) a first electrode, (2) a second electrode, and (3) a resistive element which exhibits PTC behavior and which is supported by a substrate and which has been prepared by (a) mixing (i) carbon black which has a pH of less than 4.0, (ii) an organic polymer which has a crystallinity of at least 5% and a melting point Tm, and (iii) an active solvent for the polymer; (b) allowing the polymer to dissolve in the solvent to form an ink; applying the ink to the substrate to form the resistive element which, when cured, will ...

이 특허를 인용한 특허 피인용횟수: 62

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