发明名称 Printed wiring board.
摘要 <p>A printed wiring board comprises a main printed wiring board (7) provided with a first wiring pattern (5) and an auxiliary printed wiring board (8) constituted by a flexible printed wiring board provided with a second wiring pattern (9) for modifying the first wiring pattern (5) and bonded to the main printed wiring board (7) so as to electrically connect the second wiring pattern (9) to a desired portion of the main printed wiring board (8). The auxiliary printed wiring board (8) comprises a dummy pattern (20) formed on the flexible board (8) for preventing the flexible board (8) from tearing and/or breaking. The auxiliary printed wiring board (8) may comprise a dummy pattern (21) formed on the flexible board (8) for preventing the flexible board (8) from warping and/or twisting.</p>
申请公布号 EP0321446(A2) 申请公布日期 1989.06.21
申请号 EP19890100161 申请日期 1984.08.29
申请人 KABUSHIKI KAISHA TOSHIBA 发明人 IGARASHI, YUTAKA
分类号 H05K1/00;H05K1/14;H05K3/22;H05K3/30;H05K3/34 主分类号 H05K1/00
代理机构 代理人
主权项
地址