The use of computer aided design techniq
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C.B. Besant; A. Hamlyn; P.M. McLintock
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Article
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1973
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Elsevier Science
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English
โ 584 KB
Modern printed circuits are manufactured using a mask. This mask can be prepared by directin~ a light beam around a photographic plate to describe the required circuit. An etching process is then used to transfer the circuit from the photographic plate (the mask) to the circuit board. A description