Method of performing an ion exchange of optical glass
US5139557A · kind A · utility
2Cited by
4References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 13, 1991 |
| Grant date | Aug 18, 1992 |
| Priority date | — |
| Expiry date | Aug 13, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C21/001
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
This invention relates to a method of performing an ion exchange of optical glass to produce an axial gradient index material having a good linear distributiion by bringing a glass body containing a monovalent cation component into contact with a medium containing a monovalent cation component and exchanging these cation components under a predetermined condition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.