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US 2014/0178817 A1Published application
Curable coatings for photoimaging
AssigneeRainbow Technology Systems Limited
InventorsCharles Jonathan Kennett, John Cunningham
Life of this patent
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Abstract
There is herein described curable coatings for use in a photoimaging process. In particular, there is described curable coatings in the form of 100% or substantially 100% solids energy curable coatings for use in a photoimaging process wherein a substrate is covered with a wet curable photopolymer and the photoimaged substrate is used to form images such as electrical circuits or other features used in the Photochemical Machining Industry (PCMI) such as for example lines, squares, spirals, circles, or other geometric and non-geometric shapes.
Claims20
A curable photopolymer comprising:
- a curable resin present in an amount of 10% to 90% by weight;
- a photoinitiator;
- an additive;
- and
- an adhesive agent;
- wherein the curable photopolymer is capable of being cured with energy of less than 1,000 mJ and where there is no pre-drying prior to imaging in a photoimaging process.
3 more elements
Dependencies are inferred from the claim text.