Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 4, 2023
0Patent Application Number
167872460
Date Filed
February 11, 2020
0Patent Citations
...
Patent Primary Examiner
Provided is a reflective optical element that is lightweight and excellent in damping capacity. In the reflective optical element, a resin layer having an optical surface is formed on a metal substrate, and a reflective film is formed on the optical surface, and also, the metal substrate includes an alloy containing Mg as a main component.
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