Metal treatment – Process of modifying or maintaining internal physical... – Chemical-heat removing or burning of metal
Patent
1983-11-25
1985-02-05
Weisstuch, Aaron
Metal treatment
Process of modifying or maintaining internal physical...
Chemical-heat removing or burning of metal
65 31, 65 311, 65 315, 65 31, 29572, 148 15, 204192C, 136258, 136261, 427 74, 427 86, 427309, 4274342, H01L 21225, C03C 2502, C03C 2506
Patent
active
044976755
ABSTRACT:
The invention concerns a process for the manufacture of substrates from carbon-coated SiO.sub.2 fabric that can be used for large-surface silicon bodies, in which mineral materials or waste containing SiO.sub.2 are used as starting materials and a mixture of Al.sub.2 O.sub.3 and oxides of the alkaline and/or alkaline earth metals is used as a flux for the transformation into the glass phase. The glass fibers made from the homogenous glass melt are processed into a glass fabric, which is then subjected to an acid leaching process and coated with carbon. The process is used for the low-cost production of substrates for silicon bodies that are manufactured according to the strip-coating process for use in solar cells.
REFERENCES:
patent: 3356563 (1967-12-01), Marzocchi
patent: 3914856 (1975-10-01), Fang
patent: 4152535 (1979-05-01), Deminet et al.
patent: 4171991 (1979-10-01), Lindmayer
patent: 4370288 (1983-01-01), Rice, Jr. et al.
Aulich Hubert
Eisenrith Karl-Heinz
Urbach Hans-Peter
Milde Jr. Karl F.
Siemens Aktiengesellschaft
Weisstuch Aaron
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