WIRING SUBSTRATE

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United States of America Patent

SERIAL NO

15805660

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A wiring substrate includes a flexible insulation substrate, a first wiring layer formed on an upper surface of the insulation substrate, a second wiring layer formed on a lower surface of the insulation substrate, and through wiring bonded to the first wiring layer and the second wiring layer and formed in a through hole extending through the first wiring layer, the insulation substrate, and the second wiring layer. The through wiring includes a projection that extends along a lower surface of the second wiring layer located outside the through hole. An upper surface of the through wiring is flush with an upper surface of the first wiring layer.

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Patent Owner(s)

Patent OwnerAddress
SHINKO ELECTRIC INDUSTRIES CO LTD80 OSHIMADA-MACHI NAGANO-SHI NAGANO 381-2287

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
HOSHINO, OSAMU NAGANO-SHI, JP 26 632
IMAI, MITSUYOSHI NAGANO-SHI, JP 5 17
SATO, KIYOKAZU NAGANO-SHI, JP 31 376

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