会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 46. 发明专利
    • Silicon oxide film forming method of soi wafer
    • 硅氧烷膜形成SOI波形的方法
    • JP2008300435A
    • 2008-12-11
    • JP2007142338
    • 2007-05-29
    • Nagano Electronics Industrial Co LtdShin Etsu Handotai Co Ltd信越半導体株式会社長野電子工業株式会社
    • YOKOGAWA ISAONOTO NOBUHIKOYAMAGUCHI SHINICHI
    • H01L21/02H01L21/316H01L21/324H01L27/12
    • H01L21/324H01L21/02238H01L21/02255H01L21/31662H01L21/7624
    • PROBLEM TO BE SOLVED: To provide a silicon oxide film forming method of an SOI wafer capable of suppressing the warp of the SOI wafer after thermal oxidation processing, reducing the exposure failure and/or the adsorption failure due to the SOI wafer warp, and enhancing the yield of device manufacturing, even when the SOI wafer having a thick oxide film on the backside thereof is used and a silicon oxide film for forming the device is formed on the surface on the SOI layer side by thermal oxidation. SOLUTION: In this silicon oxide film forming method of the SOI wafer, the SOI wafer having the oxide film at least on the backside thereof is subjected to thermal oxidation processing (process (A)), and after thermal oxidation processing, it is subjected to heat treatment in a non-oxidizing atmosphere at a temperature higher than that for thermal oxidation processing (process (B)) to form the silicon oxide film on the surface of the SOI layer. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了提供能够在热氧化处理之后抑制SOI晶片的翘曲的SOI晶片的氧化硅膜形成方法,减少由于SOI晶片翘曲引起的暴露失败和/或吸附失效 ,并且即使当使用其背面具有厚氧化膜的SOI晶片并且通过热氧化在SOI层侧的表面上形成用于形成器件的氧化硅膜时,也提高器件制造的产量。 解决方案:在该SOI晶片的氧化硅膜形成方法中,至少在其背面具有氧化膜的SOI晶片经受热氧化处理(工艺(A)),并且在热氧化处理之后 在非氧化性气氛中在高于热氧化处理的温度下进行热处理(工序(B)),在SOI层的表面形成氧化硅膜。 版权所有(C)2009,JPO&INPIT