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

G - Physics

02

B

G02B 5/08 (2006.01) C23C 14/02 (2006.01) G02B 1/10 (2006.01)

Patent

CA 2500309

A mirror includes: a substrate having a surface; and a thin-film finish layer provided over the surface of the substrate and having aon 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.

L'invention concerne un miroir comprenant un substrat présentant une surface, et une couche de fini mince déposée sur la surface du substrat, laquelle couche présente sur un côté opposé au substrat, une surface présentant un fini poli. Un autre aspect de cette invention, concerne un procédé permettant de fabriquer un miroir. Ce procédé consiste à utiliser un substrat présentant une surface ; à former une couche de fini mince par dessus la surface du substrat par des techniques de pellicule mince ; la couche de fini présentant une surface sur un côté opposé au substrat ; puis à polir la surface de la couche de fini.

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