Method for forming sic thin film

Abstract

Provided is a method for manufacturing an SiC substrate. The method for manufacturing the SiC substrate includes preparing a base, forming any one SiC thin film of an n-type SiC thin film or a p-type SiC thin film on the base, and separating the SiC thin film from the base. The forming of the SiC thin film includes injecting a source gas containing silicon (Si) onto the base, performing primary purge of injecting a purge gas after the injection of the source gas is stopped, injecting a reactant gas containing carbon (C) after the stop of the primary purge, and performing secondary purge of injecting the purge gas after the injection of the reactant gas is stopped. Therefore, in accordance with an exemplary embodiment, the SiC thin film may be deposited at a low temperature to prepare the SiC substrate. Accordingly, power or time required for rising the temperature of the base to form the SiC thin film may be reduced.

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