Amorphous silicon film, its production and photo semiconductor d

Coating processes – Direct application of electrical – magnetic – wave – or... – Plasma

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427563, B05D 306

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active

052582078

ABSTRACT:
An amorphous silicon film contains not less than 30 at. % hydrogen and includes silicon atoms joined with one hydrogen atom and silicon atoms joined with two hydrogen atoms, the ratio of the silicon atoms joined with two hydrogen atoms to the silicon atoms joined with one hydrogen atom being not more than 0.4. This amorphous silicon films is produced by performing plasma-assisted chemical vapor deposition at a substrate temperature of not more than 100.degree. C., while supplying hydrogen and silane in the predetermined ratio, the ratio of the flow of hydrogen to that of silane being not less than 1.

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