发明名称 METHOD AND DEVICE FOR MANUFACTURING THIN WIRE CHIP
摘要 <P>PROBLEM TO BE SOLVED: To provide a material for a thin wire chip capable of manufacturing a high-quality and low-cost fine metal ball. <P>SOLUTION: The problem can be solved by cutting a twisted wire to at least two thin wires twisted in a predetermined length in a longitudinal direction. <P>COPYRIGHT: (C)2005,JPO&NCIPI
申请公布号 JP2005005532(A) 申请公布日期 2005.01.06
申请号 JP20030168175 申请日期 2003.06.12
申请人 HITACHI METALS LTD 发明人 NISHI YUICHI;MIKAMOTO TSUKASA
分类号 B21F7/00;B21F11/00;B21F99/00;B22F9/04;B23K35/40;H01L21/60 主分类号 B21F7/00
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