发明名称 SEMICONDUCTOR DEVICE COPPER ALLOY BONDING WIRE
摘要 <P>PROBLEM TO BE SOLVED: To provide a semiconductor device copper alloy bonding wire which has a reduced material cost, a good PCT reliability in a high humidity and high temperature environment, a good TCT reliability in a heat cycle test, a good shape of a pressure-welded ball, a good wedge bondability, and a good loop formability, and so on. <P>SOLUTION: The semiconductor device copper alloy bonding wire is obtained by drawing a Cu alloy containing by mass, 0.13 to 1.15% of Pd and the balance comprising copper and inevitable impurities, and has a good ball deformation and a superior mass productivity. <P>COPYRIGHT: (C)2012,JPO&INPIT
申请公布号 JP2012074706(A) 申请公布日期 2012.04.12
申请号 JP20110219314 申请日期 2011.10.03
申请人 NIPPON STEEL MATERIALS CO LTD;NITTETSU MICRO METAL:KK 发明人 UNO TOMOHIRO;TERAJIMA SHINICHI;YAMADA TAKASHI;ODA TAIZO
分类号 H01L21/60;C22C9/00;C22C21/02;C22F1/00;C22F1/08 主分类号 H01L21/60
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