Mirror
US5159490A · kind A · utility
5Cited by
8References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 3, 1991 |
| Grant date | Oct 27, 1992 |
| Priority date | — |
| Expiry date | Jun 3, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/0875
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A mirror comprises a first layer being of a transparency, a second layer mounted on the first layer and being in the form of a translucent metal thin film with a thickness of less than 350.ANG., a third layer mounted on the second layer and being in the form of a transparent oxide or fluoride of a metal and a fourth layer mounted on the third layer and being in the form of a thin metal to be used as a reflecting member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.