作者: Steven E. Poetzinger , Jerzy Zalesinski , Cynthia S. Milkovich , Lawrence R. Cutting , Eric A. Johnson
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摘要: A screen printing machine comprising a backing plate with holes conforming to components attached the surface of flexible circuit board. The includes which patterns solder paste on board while is plate. Also included spring loaded element disposed adjacent applies predetermined continuous force four corners This applied in diagonal direction stretch so that parallel during screening.