Optical element comprising a crack-free aerogel
US9327460B2 · kind B2 · utility
1Cited by
7References
12Claims
0Family size
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Key dates
| Filing date | Dec 14, 2011 |
| Grant date | May 3, 2016 |
| Priority date | — |
| Expiry date | Oct 1, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24496
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A method manufactures an optical element having a surface that includes cells filled with an aerogel that does not crack during its manufacture or during a subsequent step of impregnating the aerogel with a liquid. The disclosure also relates to the optical elements that can be obtained using the method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.