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US 2017/0255100 A1Published application
Dry film structure
OwnerSanjay Malik, William A. Reinerthinventors
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Abstract
This disclosure relates to a dry film structure that includes a carrier substrate, a protective layer, and a polymeric layer between the carrier substrate and the protective layer. The polymeric layer includes at least one protected polybenzoxazole precursor polymer.
Claims26
A dry film structure, comprising:
- a carrier substrate;
- a protective layer;
- and
- a polymeric layer between the carrier substrate and the protective layer, the polymeric layer comprising at least one blocked polybenzoxazole precursor polymer.
1 more element
A process of forming a dry film structure, comprising:
- coating a composition containing at least one blocked polybenzoxazole precursor polymer onto a carrier substrate;
- drying the coated composition to form a polymeric layer;
- and
- applying a protective layer onto the polymeric layer to form the dry film structure.
1 more element
Dependencies are inferred from the claim text.