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    • 10. 发明专利
    • Method of manufacturing semiconductor device, and substrate treatment apparatus
    • 制造半导体器件的方法和基板处理装置
    • JP2011129877A
    • 2011-06-30
    • JP2010215398
    • 2010-09-27
    • Hitachi Kokusai Electric Inc株式会社日立国際電気
    • SASAJIMA RYOTAHIROSE YOSHIROOTA YOSUKEAKAE HISANORIYOKOZAWA KOJIRO
    • H01L21/316C23C16/455C23C16/56H01L21/31
    • H01L21/0223C23C16/402C23C16/45546C23C16/54C23C16/56H01L21/02164H01L21/02178H01L21/02181H01L21/02186H01L21/02189H01L21/02238H01L21/02244H01L21/0228H01L21/02337H01L21/3141H01L21/31608H01L21/31645H01L21/32051H01L21/321
    • PROBLEM TO BE SOLVED: To improve electrical characteristics by improving film quality of an oxide film while preventing risk in forming the oxide film at high temperature, and to form an appropriate oxide film on a fine structure by suppressing consumption of material as a base at minimum in forming the oxide film. SOLUTION: The method of manufacturing a semiconductor device includes: a process for forming the oxide film having a predetermined thickness on a substrate by alternately repeating a process for forming a layer containing a predetermined element on the substrate by supplying material gas containing the predetermined element into a treatment vessel accommodating the substrate, and exhausting, and a process for changing the layer containing the predetermined element into an oxide layer by supplying oxygen-containing gas and hydrogen-containing gas into the treatment vessel, wherein an inside of the treatment vessel is under a heated atmosphere having a pressure lower than the atmospheric pressure, and exhausting; and a process for modifying the oxide film formed on the substrate by supplying the oxygen-containing gas and the hydrogen-containing gas into the treatment vessel, wherein the inside of the treatment vessel is under a heated atmosphere having the pressure lower than the atmospheric pressure, and exhausting. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了通过提高氧化膜的膜质量来改善电气特性,同时防止在高温下形成氧化膜的风险,并且通过抑制材料的消耗作为精细结构形成合适的氧化膜 在形成氧化膜时至少形成碱。 解决方案:制造半导体器件的方法包括:通过交替重复在基板上形成含有预定元素的层的工艺,在衬底上形成具有预定厚度的氧化膜的方法, 将预定元素装入容纳基板的处理容器和排气中,以及通过向处理容器供给含氧气体和含氢气体将含有预定元素的层改变为氧化物层的方法,其中处理 容器处于压力低于大气压力的加热气氛中,并排出; 以及通过向处理容器供给含氧气体和含氢气体来改性在基板上形成的氧化膜的方法,其中处理容器的内部处于压力低于大气压的加热气氛下 ,并用尽。 版权所有(C)2011,JPO&INPIT