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US 2021/0141125 A1Published application
Method of producing optical element
AssigneeOlympus Corporation
InventorsTaku NOSE, Ikunori HIROSE
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Abstract
Provided is a method of producing an optical element. The method includes heating a preform that is made of a fluorophosphate glass material to alter a region including a surface of the preform to form a protection layer; and performing press molding on the preform with the formed protection to form a molded object having an optical element shape.
Claims6
A method of producing an optical element, the method comprising:
- heating a preform that is made of a fluorophosphate glass material to alter a region including a surface of the preform to form a protection layer;
- and
- performing press molding on the preform with the formed protection to form a molded object having an optical element shape.
Dependencies are inferred from the claim text.