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    • 7. 发明授权
    • Apparatus for generating raw material gas used in apparatus for growing
thin film
    • 用于生长用于生长薄膜的装置中的原料气体的装置
    • US5460654A
    • 1995-10-24
    • US84020
    • 1993-06-30
    • Toshihide KikkawaHitoshi TanakaHirosato Ochimizu
    • Toshihide KikkawaHitoshi TanakaHirosato Ochimizu
    • H01L21/205C23C16/44C23C16/448C30B25/14H01L21/31C23C16/00
    • C23C16/4485
    • In an apparatus for forming a film of MOCVD, gas source MBE or the like, there is provided a gas supply pipe for supplying gas obtained by gasifying a liquid or solid organic metal raw material to a reaction chamber. A mechanism in which a pressure gauge is fitted in the vicinity of a gas generating source in the gas supply pipe and the gas supply quantity from the gas generating source is regulated based on an indicated value of the pressure gauge so as to suppress variation of the gas pressure is installed in the apparatus for forming a film.There is a heating system for heating the organic metal raw material or an ultrasonic vibrator for applying ultrasonic vibration to the organic metal raw material as the mechanism for regulating the gas supply quantity, and the gasified quantity of the organic metal raw material is varied by regulating the heating temperature of the heating system or by varying the output of the ultrasonic vibrator.
    • 在用于形成MOCVD,气体源MBE等的膜的装置中,设置有用于将通过将液体或固体有机金属原料气化而获得的气体供给到反应室的气体供给管。 基于压力计的指示值,调节在气体供给管内的气体发生源附近配置压力计和来自气体发生源的气体供给量的机构,以抑制压力计的变化 气体压力安装在用于形成薄膜的装置中。 有机加热有机金属原料的加热系统或用于对有机金属原料施加超声振动的超声波振动器作为调节气体供给量的机构,有机金属原料的气化量通过调节 加热系统的加热温度或改变超声波振动器的输出。