Patent ID: 6121988
Filing Date: 2000-09-19
Classification: G02F,H01L,H05K

Abstract:
A multi-layered printed wiring board, comprising:a pair of outer layer boards made of insulating material;a single inner layer board or multiple inner layer boards made of insulating material sandwiched between the outer layer boards; andat least one conductor pattern formed between neighboring ones of outer layer boards and inner layer boards,whereby one of the outer layer boards has a first portion that is attached onto a neighboring inner layer and a second portion that is folded along a fold back over the other outer layer board, andsaid one of the outer layer boards having a cutout portion that is formed by partially cutting out the insulating material along the fold, so that said conductor pattern is formed on top of said one of the outer layer boards, said conductor pattern extending continuously across the fold at the cutout portion between the first portion and the second portion.