Device for asymmetrically coating a tape-shaped carrier body with silicon for further processing into solar cells
Apparatus and method for asymmetrically coating a tape-shaped carrier body with crystallized silicon for further processing into solar cells. In an exemplary embodiment a carrier body in the form of a graphite mesh is to be drawn through a guide channel leading from the floor of a melt vat and is moistened by the melt. The silicon is caused to crystallize above the melt vat because of a temperature gradient generated at right angles relative to the path of the coated carrier body. The temperature gradient can, for example, be produced by means of single-sided heating, or by a plate-shaped body extending from the melt parallel to the carrier body, or by guide lips with upper boundaries exhibiting different heights and widths. The method and apparatus serve for the continuous manufacture of silicon tapes for solar cells.
- Assignee:
- Siemens Aktiengesellschaft (Germany, Federal Republic of)
- Patent Number(s):
- US 4505221
- OSTI ID:
- 5464962
- Resource Relation:
- Patent Priority Date: Priority date 11 Jul 1983, Germany, Federal Republic of (F.R. Germany); Other Information: PAT-APPL-512756
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
SILICON
CRYSTALLIZATION
DEPOSITION
SOLAR CELLS
FABRICATION
COATINGS
EQUIPMENT
DIRECT ENERGY CONVERTERS
ELEMENTS
PHASE TRANSFORMATIONS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
SEMIMETALS
SOLAR EQUIPMENT
140501* - Solar Energy Conversion- Photovoltaic Conversion
360102 - Metals & Alloys- Structure & Phase Studies