Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Reexamination Certificate
2005-05-03
2005-05-03
Lam, Cathy F. (Department: 1775)
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
C428S901000, C174S254000, C174S255000
Reexamination Certificate
active
06887560
ABSTRACT:
A multilayer flexible wired circuit board that can provide high density wiring and also can provide reduction in thickness and size, and a producing method thereof. A four-layered flexible wired circuit board is produced by preparing a double-sided substrate in which a first conductor layer and a second conductor layer are laminated on both sides of a first insulating layer; preparing a first single-sided substrate in which a third conductor layer is laminated on one surface of a second insulating layer and a second single-sided substrate in which a fourth conductor layer is laminated on one surface of a third insulating layer; bonding the first conductor layer and the third conductor layer to each other through a first thermosetting adhesive layer; and bonding the second conductor layer and the fourth conductor layer to each other through a second thermosetting adhesive layer.
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Hasegawa Mineyoshi
Nakamura Kei
Tanigawa Satoshi
Yamazaki Hiroshi
Dickinson Wright PLLC
Edwards, Esq. Jean C.
Lam Cathy F.
Nitto Denko Corporation
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