VAPORIZER, FILM FORMING APPARATUS, AND TEMPERATURE CONTROL METHOD

    公开(公告)号:US20180251891A1

    公开(公告)日:2018-09-06

    申请号:US15971173

    申请日:2018-05-04

    CPC classification number: C23C16/4481 C23C16/448 C23C16/52

    Abstract: A vaporizer includes: a gas-liquid mixer for mixing a solution containing a precursor and a carrier gas; a nozzle for injecting the mixed solution; a vaporization chamber in which the injected solution is vaporized; a first temperature-adjustment-mechanism for adjusting a chamber temperature of the vaporization chamber; a second temperature-adjustment-mechanism for adjusting a mixing temperature of the gas-liquid mixer; a third temperature-adjustment-mechanism for adjusting a nozzle temperature of the nozzle; and a control device for controlling the first temperature-adjustment-mechanism to adjust the chamber temperature to a first temperature higher than a vaporization temperature of the precursor, for controlling the second temperature-adjustment-mechanism to adjust the mixing temperature to a second temperature lower than the first temperature, and for controlling the third temperature-adjustment-mechanism to adjust the nozzle temperature to a third temperature ranging from the first temperature to the second temperature and lower than a vaporization temperature of a solvent of the solution.

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