Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ernest J. Sirois0
Date of Patent
October 25, 2016
0Patent Application Number
142003810
Date Filed
March 7, 2014
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Hard coatings are applied to a lens assembly. In an embodiment, the coated lens assembly (140) includes a first layer (106B) including siloxane; a second layer (106A) including siloxane, wherein the second layer has opposing sides and a hardness greater than the first layer; and a third layer (104) including an amorphous carbon selected from a diamond-like carbon and a diamond-like nano-composite. The first layer (106B) and third layer (104) are positioned on opposing sides of the second layer (106A). The third layer (104) has a hardness greater than the second layer (106A).
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