Optical element using organic-inorganic composite material
US6833965B2 · kind B2 · utility
1Cited by
7References
17Claims
0Family size
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Key dates
| Filing date | Aug 1, 2001 |
| Grant date | Dec 21, 2004 |
| Priority date | — |
| Expiry date | May 11, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B17/0848
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A lightweight and homogeneous optical element exhibiting favorably weak birefringence and hygroscopicity as well as superior productivity and producing minimal chromatic aberrations is formed by using an organic-inorganic composite material having both the properties of a glass material and those of a plastic material. The optical element has at least one entrance refracting surface and at least one exit refracting surface. The optical element is formed from an organic-inorganic composite material having an inorganic phase dispersed in the three-dimensional network (matrix) of an organic phase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.