Printed wiring board and method for manufacturing printed wiring board
Abstract:
Printed wiring board manufacturing method, and printed wiring board. The method includes preparing sheet material including cloth-like material woven of reinforced fiber with a 90 degree between warp thread and a weft thread; arranging the sheet material on a cutting-out apparatus so that the sheet material is tilted 5 to 30 degrees with respect to threads configuring the cloth-like material and cutting a portion to cross the cloth-like-material configuration threads aligned on a cutting blade at 5 to 30 degrees; cutting the sheet material from the tilted sheet material with the cut portion crossing the cloth-like-material configuration threads aligned on the cutting blade to form the sheet material with a circumferential edge of the sheet material crossing the cloth-like material configuration threads at 5 to 30 degrees; creating a mother laminate configured with the sheet material as an inner-layer board or an insulating board; and providing a conductor pattern on a metal layer of the mother laminate along a circumferential edge portion of the mother laminate.
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