Optical article and method
US4333983A · kind A · utility
87Cited by
10References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 25, 1980 |
| Grant date | Jun 8, 1982 |
| Priority date | — |
| Expiry date | Apr 25, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A flexible polymer substrate coated with an aluminum oxide thin film of an optimum adherent thickness of at least about 170 nanometers, with a final optical coating of preselected design formed on the aluminum oxide film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.