Photosensitive dry film, and printed wiring board with photosensitive dry film

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12259652
APP PUB NO 20220066322A1
SERIAL NO

17408307

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Abstract

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The present disclosure provides a photosensitive dry film enabling a photocured film being excellent in insulation reliability and resolution and having a frosted appearance to be obtained. A photosensitive dry film including a support film having a first main surface and a second main surface opposite to the first main surface, and a photosensitive resin layer provided on the first main surface, in which the first main surface has an irregular surface formed by chemical etching.

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Patent Owner(s)

Patent OwnerAddress
TAMURA CORPORATIONTOKYO 178-8511

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Imai, Shinji Iruma, JP 111 1996
Ishizaka, Masanobu Iruma, JP 1 0
Takashima, Ryoya Iruma, JP 1 0

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