AMINE CATALYSTS FOR LOW TEMPERATURE ALD/CVD SiO2 DEPOSITION USING HEXACHLORODISILANE/H2O
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Oct 13, 2016
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Oct 13, 2015
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Abstract
A precursor composition is described, useful for low temperature (<150° C.) vapor deposition of silicon dioxide. The precursor composition includes hexachlorodisilane, water, and nitrogenous catalyst including an amide compound selected from the group consisting of N-ethylacetamide and N,N-dimethylformamide. Compositions and processes for forming silicon dioxide at a low temperature with alternative chemistries are also described, e.g., a precursor composition of chloroaminosilane and water, or a precursor composition of chlorosilane and ethanolamine, which may be utilized in pulsed chemical vapor deposition or atomic layer deposition processes.
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