发明名称 Process for multiple platings and fine etch accuracy on the same printed wiring board
摘要 A process for manufacturing a printed wiring board includes specifying overlapping etches for a first portion of the printed wiring board and a second portion of the printed wiring board, the first portion of the printed wiring board having disposed thereon a printed circuit having at least one dimension critical to printed wiring board operation, etching a first conductor in the first portion of the printed wiring board when a first conductor thickness is a predetermined thickness, completing all plating steps, and etching a second conductor in the second portion of the printed wiring board.
申请公布号 US8221635(B2) 申请公布日期 2012.07.17
申请号 US20100712430 申请日期 2010.02.25
申请人 HAUFF JOHN W.;RAYTHEON COMPANY 发明人 HAUFF JOHN W.
分类号 H01B13/00;B44C1/22 主分类号 H01B13/00
代理机构 代理人
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