发明名称 MANUFACTURE OF MULTILAYER PRINTED WIRING BOARD
摘要 PURPOSE:To provide a multilayer printed wiring board having a non-through connection through hole in easy steps. CONSTITUTION:In a method for manufacturing a multilayer wiring board having a nonthrough connection through hole 12, nonplated resin 5 such as Teflon, etc., is filled in partial hole of an inner layer, multilayers are formed, a through hole is formed at the board, normally through hole-plated, thereby forming a blind viahole (non-through connection through hole 12) to be connected only between the inner layer and an outer layer. Thus, an inner viahole 11 is easily formed in the inner layer.
申请公布号 JPH04354180(A) 申请公布日期 1992.12.08
申请号 JP19910129303 申请日期 1991.05.31
申请人 SHARP CORP 发明人 ITO TAKESHI
分类号 H05K3/46 主分类号 H05K3/46
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