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    • 5. 发明授权
    • Method of manufacturing a semiconductor device
    • 制造半导体器件的方法
    • US07514338B2
    • 2009-04-07
    • US11544747
    • 2006-10-10
    • Osamu ArisumiMasahiro Kiyotoshi
    • Osamu ArisumiMasahiro Kiyotoshi
    • H01L21/76
    • H01L27/11524H01L27/115H01L27/11521
    • A method of manufacturing a semiconductor device, includes preparing a work piece having a trench on its main surface side, forming a polymer film containing a polymer containing silicon, hydrogen and nitrogen on the main surface of the work piece, holding the work piece with the polymer film in a first atmosphere, which contains oxygen, and whose oxygen partial pressure is set in a range of 16 to 48 Torr, oxidizing the polymer film in a second atmosphere containing water vapor to form an oxide film containing a silicon oxide as a main component, after holding the work piece in the first atmosphere, and removing an upper portion of the oxide film to remain a lower portion of the oxide film in the trench.
    • 一种制造半导体器件的方法,包括在其主表面侧准备具有沟槽的工件,在工件的主表面上形成含有含有硅,氢和氮的聚合物的聚合物膜,将工件与 聚合物膜在含有氧的第一气氛中,其氧分压设定在16〜48托的范围内,在含有水蒸气的第二气氛中氧化聚合物膜,形成含有氧化硅为主要的氧化膜 在第一气氛中保持工件之后,除去氧化膜的上部以保留在沟槽中的氧化膜的下部。