OPTICAL ELEMENT AND METHOD FOR PRODUCTION OF OPTICAL ELEMENT

OPTICAL ELEMENT AND METHOD FOR PRODUCTION OF OPTICAL ELEMENT

PROBLEM TO BE SOLVED: To make it possible in an optical element and in a method for the production even when the lens is made from a glass material containing bismuth oxide to facilitate the application of a coating material to a region outside the optically effective region and to suppress peeling...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: SAITO KURATO
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
GLASS
MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
METALLURGY
MINERAL OR SLAG WOOL
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To make it possible in an optical element and in a method for the production even when the lens is made from a glass material containing bismuth oxide to facilitate the application of a coating material to a region outside the optically effective region and to suppress peeling of the applied coating material.SOLUTION: There is provided a lens 1 molded from a glass G containing bismuth oxide, wherein a modification layer T containing metallic bismuth is formed on the glass surface outside the optically effective regions Eand E.