发明名称 |
Printed circuit board for use with an image forming apparatus |
摘要 |
A circuit board for mounting a CPU for controlling an image processing apparatus, comprising a multilayered circuit board for mounting the CPU, and a shield layer for shielding the multilayered circuit board without connecting the shield layer to the circuits of the board. The circuits of the multilayered circuit board are produced by a printing or an electrolytic plating method or an electroless plating method.
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申请公布号 |
US4973799(A) |
申请公布日期 |
1990.11.27 |
申请号 |
US19890396342 |
申请日期 |
1989.08.21 |
申请人 |
KONICA CORPORATION |
发明人 |
SOMA, UTAMI;KOSEKI, YASUFUMI;ASAKAWA, MINORU |
分类号 |
G03G21/00;G03G15/00;H05K1/00;H05K1/02;H05K3/46 |
主分类号 |
G03G21/00 |
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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