비의류제품

from single clicking springs to the integrated contact point rubber mat

  • 출판일1999.03
  • 저자
  • 서지사항
  • 등록일 2016.11.02
  • 조회수 480
a new technique is described for making pcb keyboards for microelectronics, carbon conductors and carbon contact points are used in single and double layer applications. in the latter an insulating layer and an upper carbon layer are silk-screened over an initial copper-carbon circuit. through-contacting, sliding switches and printed resistors or potentiometers can be achieved using this technique
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