Method for treating vitreous materials by thermal poling
US11078114B2 · kind B2 · utility
0Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 8, 2016 |
| Grant date | Aug 3, 2021 |
| Priority date | — |
| Expiry date | May 2, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C21/007
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention relates to a method for treating a silicate-type glass comprising alkali and alkaline-earth metal oxides or d10 or IIIA metal oxides, said method comprising at least the following steps: (a) incorporation of nitrogen into the surface of the glass; and (b) thermal poling treatment of the material obtained in (a), under a chemically inert controlled atmosphere. The invention also relates to the material produced by said method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.