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US 2008/0187267 A1Published application
Methods of forming printed circuit boards having optical functionality
AssigneeRohm and Haas Electronic Materials LLC
InventorsEdgardo Anzures, Philip D. Knudsen
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Abstract
Provided are methods of forming printed circuit boards having optical functionality. The methods involve applying a dry-film to a printed circuit board substrate and forming an optical waveguide over the dry-film. The invention finds particular applicability in the electronics and optoelectronics industries.
Claims10
A method of forming a printed circuit board having optical functionality, comprising:
- applying a dry-film layer to a printed circuit board substrate;
- and
- forming an optical waveguide directly on the dry-film layer, the optical waveguide comprising a core and a clad surrounding the core.
Dependencies are inferred from the claim text.