Method of cloning printed wiring boards

Details Method of cloning printed wiring boards Method of cloning printed wiring boards

1990-12-19

1992-11-10

Smith, Jerry

Boots, shoes, and leggings

29829, 409 93, 409 96, 354354, G06F 1562, B23C 116

Patent

active

051630052

ABSTRACT:
A method of cloning printed wiring boards by milling one side of the board to a minimum thickness, then X-raying the board to produce a film negative. This negative is photographed to provide a reversed negative which is converted to a diazo photograph.

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Dept. USAF Letter, "PWB Remanufacture in Late 1970's and Early 1980's", J. E. Sales, Jul. 10, 1991, 5 pages.
"Big Hand for a Beginner", Dupont Magazine, Jul./Aug. 1991, pp. 26-27.

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