Absorptive glass
US3955991A · kind A · utility
6Cited by
6References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 2, 1967 |
| Grant date | May 11, 1976 |
| Priority date | — |
| Expiry date | Mar 2, 1987 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C4/08
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Glass having an extremely high absorption coefficient for incident light in fiber optical image transfer devices and working compatibility with conventional light-conducting glasses used in the manufacture of such devices. The glass consists essentially of lanthanum trioxide, boron oxide, manganese dioxide, a colorant and glass forming, modifying and stabilizing ingredients.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.