Faraday rotation glasses
US3935020A · kind A · utility
7Cited by
6References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 24, 1974 |
| Grant date | Jan 27, 1976 |
| Priority date | — |
| Expiry date | Apr 24, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C3/155
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Faraday rotation glasses exhibiting a high Verdet constant and a low susceptability toward devitrification are formed by introducing a high quantity of rare earth oxides into a borate glass base. The glasses can be melted under standard environmental conditions and may be made on a large scale.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.