Athermalized plastic lens
US7038853B2 · kind B2 · utility
21Cited by
40References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 24, 2003 |
| Grant date | May 2, 2006 |
| Priority date | — |
| Expiry date | Dec 24, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/001
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A plastic lens includes refractive and diffractive optical apparatus configured to produce optothermal changes substantially canceling each other over a predetermined working temperature range to render the plastic lens substantially athermalized over the range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.