method, divece and system for forming printed circuit board, printed circuit board, and method for detecting circuit

method, divece and system for forming printed circuit board, printed circuit board, and method for detecting circuit

  • CN 101,459,155 B
  • Filed: 11/28/2008
  • Issued: 11/05/2014
  • Est. Priority Date: 12/12/2007
  • Status: Active Grant
First Claim
Patent Images

1. a printed circuit board (PCB), comprising:

  • Dielectric base, has first surface and second surface;

    A plurality of outer pads, for being connected with external device (ED);

    A plurality of bypass pads, for test circuit, wherein, outer pad exposes from the outer surface of printed circuit board (PCB), and at least one in a plurality of bypass pads do not expose from the outer surface of printed circuit board (PCB),Wherein, at least one in bypass pad is electrically connected to the first terminal pad on the second surface that overlays on dielectric base, and outer pad is connected respectively to the second terminal pads on the second surface that overlays on dielectric base.

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