Encapsulated CDTe boules for multiblade wafering
US4490441A · kind A · utility
1Cited by
4References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 6, 1982 |
| Grant date | Dec 25, 1984 |
| Priority date | — |
| Expiry date | Jul 6, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC30B33/00
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A cadmium telluride boule encapsulated with an encapsulant material consisting of about 80% by volume of powdered beta-phase calcium sulfate hemihydrate, about 20% by volume of powdered alpha-phase calcium sulfate hemihydrate and water. This specially encapsulated boule can then be sawn with a multiblade wafering apparatus used to simultaneously saw the boule into multiple substrate wafers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.