Anti-reflection coating film suitable for application on optics made of mixed crystals of thallium iodide and thallium bromide
US4612234A · kind A · utility
2Cited by
7References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 26, 1984 |
| Grant date | Sep 16, 1986 |
| Priority date | — |
| Expiry date | Jan 26, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24967
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An anti-reflection coating film is disclosed which has a three-layer structure and is adapted to be deposited on a substrate made of a mixed crystal of thallium iodide and thallium bromide. The structure comprises a first arsenic triselenide layer, a second lead fluoride layer and a third arsenic triselenide layer for protection of the second layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.