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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0563232 (1990-08-06) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 394 인용 특허 : 0 |
The 700°C./4 min. rapid thermal anneal described in the prior art for converting amorphous Si to polycrystalline Si can be reduced to a temperature range of from 550°C. to 650°C. This is accomplished by depositing a very thin discontinuous film of a nucleating site forming material over the amorphou
The 700°C./4 min. rapid thermal anneal described in the prior art for converting amorphous Si to polycrystalline Si can be reduced to a temperature range of from 550°C. to 650°C. This is accomplished by depositing a very thin discontinuous film of a nucleating site forming material over the amorphous Si prior to rapid thermal anneal. Furthermore, by selectively depositing the material in a pattern, only that amorphous Si beneath the deposited pattern is caused to crystallize during annealing, while the remaining areas of amorphous Si remain in the amorphous state.
A method for producing a polycrystalline silicon film, comprising the steps of: a. disposing a thin discontinuous film of a nucleating site forming material in contact with a surface of an amorphous silicon film; and b. annealing the films by heating said films to a temperature below that which woul
A method for producing a polycrystalline silicon film, comprising the steps of: a. disposing a thin discontinuous film of a nucleating site forming material in contact with a surface of an amorphous silicon film; and b. annealing the films by heating said films to a temperature below that which would anneal said amorphous silicon film without said film of nucleating site material in contact therewith, whereby said nucleating site forming material allows formation of said polycrystalline silicon film at a lower anneal temperature.
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