发明名称 Method for manufacturing printed circuit boards
摘要 There is disclosed a dual purpose separator-release plate (30) for the use in the lamination and drilling of printed circuit boards, comprising a substrate sheet of aluminum foil (32), covered on both sides with release material (34), the plates being placed in engagement with the foil surfaces (6) and (8) of a PC board prior to curing the epoxy layer (4), after curing, retaining the separator-release plates in engagement with the PC board, and which plates serve as drill entry and drill backup material.
申请公布号 US4875283(A) 申请公布日期 1989.10.24
申请号 US19880202096 申请日期 1988.08.25
申请人 JOHNSTON, JAMES A. 发明人 JOHNSTON, JAMES A.
分类号 B29C33/68;H05K3/00;H05K3/02 主分类号 B29C33/68
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