| 摘要 |
<p>PURPOSE:To effectively utilize a low-cost reinforcing board. CONSTITUTION:The multilayer printed board P1 comprises a reinforcing board 100 formed with a wiring pattern 110 on its surface, one flexible board 200 to be laminated on a surface of the board 100, and a wiring pattern 230 also formed on the board 200, wherein the patterns 110, 230 of both the boards 100, 200 are conducted via a through hole 240 of the board 200. Paper phenol or thick PET resin is used for the board 100, and PET resin is used for the board 200.</p> |
