发明名称 |
STRUCTURE OF PRINTED CIRCUIT BOARD |
摘要 |
PROBLEM TO BE SOLVED: To effectively increase flexural stiffness of a printed circuit board by a pattern, and to inhibit retention of warpage after conveyance. SOLUTION: A pattern 13 is formed on the printed circuit board 1. In this case, the pattern 13 continues in the direction perpendicular to the conveyance direction of a substrate.
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申请公布号 |
JP2002111142(A) |
申请公布日期 |
2002.04.12 |
申请号 |
JP20000298520 |
申请日期 |
2000.09.29 |
申请人 |
HITACHI KOKUSAI ELECTRIC INC |
发明人 |
KITAHARA MASARU;MAEKAWA HIROTSUGU |
分类号 |
H05K3/34;H05K1/02;(IPC1-7):H05K1/02 |
主分类号 |
H05K3/34 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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