发明名称 PREPARATION OF ARTWORK MASTERS
摘要 There is provided apparatus and method for the preparation of artwork masters used for the manufacture of printed circuit boards. A grid having uniformly spaced perforations onto which a work sheet for the master is applied is used for proper alignment of pressure sensitive pads on the sheet, the pads being applied by a spiked tool adapted to be centered in and by the perforations and press the pads against the sheet. There is also provided a dispenser and running "conductor" lines between spaced pads on the work sheet.
申请公布号 US3668762(A) 申请公布日期 1972.06.13
申请号 USD3668762 申请日期 1970.10.13
申请人 ALFRED CHARLES CLARK 发明人 ALFRED CHARLES CLARK
分类号 H05K1/11;H05K3/00;H05K13/00;(IPC1-7):H01R/ 主分类号 H05K1/11
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