Ophthalmic lens with graded interference coating
US6886937B2 · kind B2 · utility
23Cited by
10References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 20, 2003 |
| Grant date | May 3, 2005 |
| Priority date | — |
| Expiry date | Jun 20, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C2202/16
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A method of making an optical element that includes a thermoplastic power portion, the method including laminating a first thermoplastic sheet to one side of a functional film, laminating a second thermoplastic sheet to a second side of the functional film, and affixing either the first thermoplastic sheet or the second thermoplastic sheet to the power portion, with the other of the first or second thermoplastic sheets being open to atmosphere.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.