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US 6,269,661 B1Granted
Method for manufacturing optical components for use in the ultraviolet region
AssigneeNikon Corporation
InventorsHiroki Jinbo, Akiko Moriya, Norio Komine
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Abstract
The present invention provides a method for manufacturing an optical component that have increased transmittance in the ultraviolet region of the spectrum. The method includes the steps of cutting out a part from a block material; polishing optical sides of the part; subjecting the part to heat treatment at a temperature of between 100 and 900° C.; and subjecting the part to acid treatment.
Claims10
A method for manufacturing an optical component comprising the steps of:
- cutting out a part from an optical block material;
- then
- polishing optical sides of the part with an abrasive agent;
- then
- subjecting the part to heat treatment at a temperature of between 100 and 500° C. in an atmosphere containing substantially no organic gasses or metallic impurities;
- and then
- cleaning the part with acid treatment.
4 more elements
Dependencies are inferred from the claim text.