发明名称 PROCESS FOR PRODUCING MULTILAYER PRINTED WIRING BOARD
摘要 PROBLEM TO BE SOLVED: To provide a process for producing a multilayer printed wiring board, capable of reducing the production man-hours. SOLUTION: In the process for producing a multilayer printed wiring board by laying works provided with a wiring pattern in layers, respective layers are combined, such that the layer arrangement of wiring pattern becomes symmetric at the center part of the layer (between L3 and L4). COPYRIGHT: (C)2005,JPO&NCIPI
申请公布号 JP2005085774(A) 申请公布日期 2005.03.31
申请号 JP20030312334 申请日期 2003.09.04
申请人 RICOH CO LTD 发明人 TADOKORO YOSHIKAZU
分类号 H05K3/46;(IPC1-7):H05K3/46 主分类号 H05K3/46
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