Patent ID: 9642262
Date: 2017-05-02
CPC Classifications: G11B,H05K,Y10T

Claim:
1. A method of manufacturing a printed circuit board assembly sheet comprising a plurality of printed circuit boards, a support frame configured to integrally support the plurality of printed circuit boards such that the plurality of printed circuit boards are arranged at spacings, and a dummy trace portion provided in a region between at least one printed circuit board on one end side and the support frame, the method comprising the steps of: forming first insulating layers, which correspond to the plurality of printed circuit boards and the dummy trace portion, on a support substrate; forming a plurality of conductor traces on each of the first insulating layers corresponding to the plurality of printed circuit boards and the first insulating layer corresponding to the dummy trace portion; and forming second insulating layers on the first insulating layers to cover the plurality of conductor traces corresponding to the plurality of printed circuit boards and the conductor trace corresponding to the dummy trace portion, respectively,