发明名称 |
Circuit board and fabrication method thereof |
摘要 |
Short circuiting in printed circuit boards made by processes in which a continuous metal layer applied by electroless deposition is etched to form the conductor pattern is eliminated by subjecting the board to an oxidation treatment after etching but before removal of the etching agent.
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申请公布号 |
US6048465(A) |
申请公布日期 |
2000.04.11 |
申请号 |
US19980047765 |
申请日期 |
1998.03.25 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
SHIRAI, MASAHARU |
分类号 |
H05K3/18;H05K3/26;(IPC1-7):H01B13/00;B44C1/22 |
主分类号 |
H05K3/18 |
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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