Encapsulant for leads in an aqueous environment
AssigneeLexmark International, Inc.
InventorGirish Shivaji Patil
Life of this patent
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Abstract
An article, specifically an inkjet printhead, having electrical leads in an aqueous environment in which the leads are encapsulated in a thoroughly cured mixture of 88 parts bis-phenol A epoxy oligomer, 11 parts epoxy novolac oligomer, and 1 part triarylsulfonium hexafluoroantimonate salts. No special atmosphere is required during manufacture and the uncured mixture has a long pot life. The cured mixture has excellent resistance to an aqueous environment.
Claims6
An article of manufacture having an electrical lead in a liquid aqueous environment, said lead being encapsulated in a thoroughly cured mixture substantially as follows by weight:
- 88% bis-phenol A epoxy oligomer;
- 11% epoxy novolac oligomer;
- and
- 1% ultra violet cure initiator.
Dependencies are inferred from the claim text.