发明名称 |
Method of making innerlayer panels and printed wiring boards using X-ray identification of fiducials |
摘要 |
<p>Innerlayer panels (100) are provided with high density fiducials (20) during manufacture. The fiducials can be identified using X-rays without etching away portions of the innerlayer panel to expose the fiducials. <IMAGE></p> |
申请公布号 |
EP1534051(B1) |
申请公布日期 |
2012.12.26 |
申请号 |
EP20040027548 |
申请日期 |
2004.11.19 |
申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY;CORETEC INC. |
发明人 |
BORLAND, WILLIAM J.;FERGUSON, SAUL |
分类号 |
H05K1/02;H05K1/16;H05K1/09;H05K3/00;H05K3/06;H05K3/46 |
主分类号 |
H05K1/02 |
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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