发明名称 SEMICONDUCTOR DEVICE MANUFACTURING METHOD
摘要 PROBLEM TO BE SOLVED: To provide a manufacturing method of a semiconductor device which has no short circuit between leads even when laser beams are used for removal of a resin burr.SOLUTION: In a semiconductor device manufacturing method, by covering an encapsulation resin and a lead frame with a soluble protection film before performing deburring by laser beams, direct adhesion of debris generated by laser irradiation can be prevented.
申请公布号 JP2014165340(A) 申请公布日期 2014.09.08
申请号 JP20130035059 申请日期 2013.02.25
申请人 SEIKO INSTRUMENTS INC 发明人 TAKEZAWA MAKOTO
分类号 H01L21/56;B23K26/00;B23K26/36;H01L23/50 主分类号 H01L21/56
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