发明名称 METHOD AND APPARATUS FOR DETECTING BALL AT WIRE BONDING PART
摘要 A method and apparatus for determining the position, size and/or shape of a ball formed on a pad of a semiconductor chip when a wire is bonded between the pad and a lead of a lead frame. The ball is detected in at least three directions from the center of the ball towards the edge of the ball.
申请公布号 KR0169845(B1) 申请公布日期 1999.02.18
申请号 KR19950020285 申请日期 1995.07.11
申请人 KABUSHIKI KAISHA SHINKAWA 发明人 YAMAZAKI, NOBUTO;OGATA, YOSHIYUKI
分类号 H01L21/60;G06K9/00 主分类号 H01L21/60
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