序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
81 가동 접점용 은피복 스테인레스강 스트립 및 그 제조방법 KR1020067010467 2004-10-25 KR1020060103441A 2006-09-29 스즈키사토시; 미하라구니테루; 도쿠하라나오후미
A silver-coated stainless strip for a movable contact which includes a stainless steel substrate, an under coat layer of nickel, cobalt, a nickel alloy or a cobalt alloy formed on at least a part of the surface of the substrate, and a silver or silver alloy layer formed on the under coat layer, characterized in that a copper or a copper alloy layer having a thickness of 0.05 to 2.0 mum is provided between the silver or silver alloy layer and the under coat layer; and a method for producing the silver-coated stainless strip for which comprises forming the above three layers and then subjecting the resulting product to a heat treatment in a non-oxidizing atmosphere.
82 ELECTRICAL DEVICES PCT/EP2008005862 2008-07-17 WO2009012931A2 2009-01-29 RULKENS RUDY; PELT VAN WILFRED WILHELMUS GER; DUFOUR PETER REMCO; YOSHIMOTO YUDAI
The invention relates to an electrical device, comprising an electrically conductive element and a plastic part in contact with the conductive element, wherein at least a part of the electrically conductive element is made of a silver comprising composition and wherein the plastic part, partially or integrally, is made of polymer composition comprising a semi-aromatic polyamide (X) comprising units derived from aliphatic diamines and dicarboxylic acids, wherein (a) the dicarboxylic acids (A) consist of a mixture of 5-65 mole% aliphatic dicarboxylic acid and/or aromatic dicarboxylic acid other than terephthalic acid (A1 ) and 35-95 mole % terephthalic acid (A2); (b) the aliphatic diamines (B) consist a mixture of 10-70 mole% of a short chain aliphatic diamine with 2-5 C atoms (B1 ) and 30-90 mole % of a long chain aliphatic diamine with at least 6 C atoms (B2); and (c) the combined molar amount of terephthalic acid (A2) and the long chain aliphatic diamine (B2) is at least 60 mole %, relative to the total molar amount of the dicarboxylic acids and diamines.
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