Printed circuit board assembly sheet and method for manufacturing the same

  • US 8,658,906 B2
  • Filed: 07/25/2011
  • Issued: 02/25/2014
  • Est. Priority Date: 08/06/2010
  • Status: Active Grant
First Claim
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1. A printed circuit board assembly sheet comprising:

  • a plurality of printed circuit boards;

    a support frame configured to integrally support said plurality of printed circuit boards such that said plurality of printed circuit boards are arranged at spacings; and

    a dummy trace portion provided in a region between at least a printed circuit board on one end side and said support frame,wherein said plurality of printed circuit boards are each configured to be separated from said support frame and said dummy trace portion is configured not to be separated from said support frame, andwherein each of said plurality of printed circuit boards and said dummy trace portion includes;

    a support substrate;

    a first insulating layer formed on said support substrate;

    a plurality of conductor traces formed on said first insulating layer; and

    a second insulating layer formed on said first insulating layer to cover said plurality of conductor traces,a groove is not formed in said first insulating layer in a region between adjacent conductor traces in said dummy trace portion, anda groove is formed in said second insulating layer in a region between adjacent conductor traces in said dummy trace portion.

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