发明名称 Method for cleaning and regenerating a mold
摘要 A cleaning substrate for cleaning and regenerating a mold is disclosed. The mold is contaminated after repeatedly packaging the semiconductor device by making use of thermosetting resin. At least a protrusion of the substrate can substantially match with and be contained within the edges of the mold cavity of the mold when the cleaning substrate is placed in the mold.
申请公布号 US2005037178(A1) 申请公布日期 2005.02.17
申请号 US20040940781 申请日期 2004.09.15
申请人 CHOU KUANG CHUN 发明人 CHOU KUANG CHUN
分类号 B29C33/72;B29C45/14;(IPC1-7):B32B3/00 主分类号 B29C33/72
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