Photosensitive dry film, and printed wiring board with photosensitive dry film
AssigneeTamura Corporation
InventorsRyoya TAKASHIMA, Masanobu ISHIZAKA, Shinji IMAI
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Abstract
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.
Claims18
A photosensitive dry film comprising 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, wherein
- the first main surface has an irregular surface formed by chemical etching.
Dependencies are inferred from the claim text.