High precision mirror, and a method of making it

Details High precision mirror, and a method of making it High precision mirror, and a method of making it

2005-07-26

2005-07-26

Sikder, Mohammad (Department: 2872)

Optical: systems and elements

Mirror

With support

C359S884000

Reexamination Certificate

active

06921177

ABSTRACT:
A mirror includes: a substrate having a surface; and a thin-film finish layer provided over the surface of the substrate and having on a side thereof opposite from the substrate a surface with a polished finish. According to a different aspect of the invention, a method of making a mirror includes: providing a substrate having a surface thereon; forming a thin-film finish layer over the surface of the substrate using thin-film techniques, the finish layer having a surface on a side thereof opposite from the substrate; and polishing the surface of the finish layer.

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