Method of producing photochromic sodalite crystals
US3964984A · kind A · utility
1Cited by
1References
5Claims
0Family size
Inventors
Key dates
| Filing date | Jan 24, 1973 |
| Grant date | Jun 22, 1976 |
| Priority date | — |
| Expiry date | Jan 24, 1993 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J29/14
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method of producing photochromic sodalite, comprising exposing sodalite crystals to the effect of a penetrating ionizing radiation field for a sufficient time necessary to activate the photochromic centers in the sodalite crystals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.