Patent · US Active

Process for the production of an optical element from glass

US11708289B2 · kind B2 · utility

0Cited by

3References

28Claims

0Family size

Assignee

DOCTER OPTICS SE · DE

Inventors

Christoph Dittmann · Neustadt an der Orla, DE
Alexander KUPPE · Neustadt an der Orla, DE
Annegret DIATTA · Neustadt an der Orla, DE
Ralf Polle · Neustadt an der Orla, DE
Toni Schnoor · Neustadt an der Orla, DE
Sven Fröhlich · Neustadt an der Orla, DE

Key dates

Filing date	Nov 22, 2021
Grant date	Jul 25, 2023
Priority date	—
Expiry date	Feb 1, 2042

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF21S41/25
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

The present disclosure relates to a method for producing an optical element (202), wherein a blank of transparent material is heated and/or provided and, after heating and/or after being provided between a first mold (UF) and at least one second mold (OF), is press molded to form the optical element (202), in particular on both sides, and is then sprayed with a surface treatment agent.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.