Moisture barrier coatings for infrared salt optics
US7504154B2 · kind B2 · utility
1Cited by
21References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 23, 2005 |
| Grant date | Mar 17, 2009 |
| Priority date | — |
| Expiry date | May 4, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31935
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention is directed to a salt optic provided with a multilayer coating in order to improve upon the moisture resistance of a salt optic, when compared to the moisture resistance of an uncoated salt optic. In one aspect, the present invention is comprised of a coated salt optic having at least a first coating layer and a second coating layer, the first coating layer being surface-smoothing layer and adhesion layer, and the second coating layer being a moisture barrier layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.