Synthesized silica glass optical member and method for manufacturing the same
US6701752B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Mar 5, 2001 |
| Grant date | Mar 9, 2004 |
| Priority date | — |
| Expiry date | Feb 17, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C2203/44
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method for manufacturing a synthesized silica glass optical member, the method comprising: providing a porous silica glass body; heating the porous silica glass body in an atmosphere containing hydrogen or oxygen, and sintering the porous silica glass body in an atmosphere containing fluorine compound. Furthermore, a synthesized silica glass optical member manufactured by the method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.