Encapsulant of CdTe boules for multiblade wafering
US4564494A · kind A · utility
1Cited by
4References
2Claims
0Family size
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Key dates
| Filing date | Jul 20, 1984 |
| Grant date | Jan 14, 1986 |
| Priority date | — |
| Expiry date | Jul 20, 2004 |
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.