Solid precursor delivery method using liquid solvent for thin film deposition

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United States of America Patent

PATENT NO 9869018
APP PUB NO 20170306485A1
SERIAL NO

15138473

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Abstract

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A method of solid precursor delivery for a vapor deposition process is provided. In some embodiments, a precursor ampoule is provided including a solid precursor arranged in the precursor ampoule. A solvent is added to the precursor ampoule including one or more ionic liquids to dissolve chemical species of the solid precursor and to form a liquid precursor. A carrier gas is applied into the liquid precursor through an inlet of the precursor ampoule. A gas precursor is generated at an upper region of the precursor ampoule by vaporization of the liquid precursor. The chemical species of the solid precursor are delivered into a vapor deposition chamber by the carrier gas. The chemical species of the solid precursor is deposited onto a substrate within the vapor deposition chamber.

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Patent Owner(s)

Patent OwnerAddress
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD8 LI-HSIN RD 6 HSINCHU SCIENCE PARK HSINCHU 300-78

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lee, Chung-Chieh Taipei, TW 36 241
Wu, Lin-Jung Miaoli, TW 9 488
Yang, Chi-Ming Hsinchu, TW 184 1930

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