Method of manufacturing optical element made of glass

An optical element manufacturing method has a preparation step of preparing a lower mold and an upper mold. The lower mold has an outer shape restricting surface for the optical element. A reference surface formation step of forms a positioning reference surface on a rim of the optical element by he...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	NISHIKAWA SHINICHI
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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