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US 2003/0153451 A1Published application
Optical colored glass, it's use, and an optical long-pass cutoff filter
AssigneeSchott AG
InventorsRolf Clasen, Monika Gierke, Jochen Freund, Magdalena Winkler-Trudewig, Uwe Kolberg
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Abstract
The invention concerns an optical colored glass with a composition (in percent by weight based on oxide) of SiO2 30-75; K2O 5-35; B2O3>4-17; ZnO 5-37; F 0.01-10; CdO 0.1-1, S+Se+Te 0.1-1.5 as well as the use of this glass as a long-pass cutoff filter.
Claims20
Optical colored glass characterized by
- a composition (in percent by weight based on oxide) of
- 5 SiO2 30-75 K2O 5-35 B2O3 >4-17 ZnO 5-37 F 0.01-10 CdO 0.1-1 S + Se + Te 0.1-1.5
Dependencies are inferred from the claim text.