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    • 8. 发明申请
    • METHODS OF MANUFACTURING SEMICONDUCTOR DEVICES
    • 制造半导体器件的方法
    • US20120156855A1
    • 2012-06-21
    • US13302080
    • 2011-11-22
    • Jae-Hwang SIM
    • Jae-Hwang SIM
    • H01L21/76
    • H01L29/788H01L21/76229H01L21/764
    • A method of manufacturing a semiconductor device includes forming a plurality of strings spaced a first distance from each other, each string including first preliminary gate structures spaced a second distance, smaller than the first distance, between second preliminary gate structures, forming a first insulation layer to cover the first and second preliminary gate structures, forming an insulation layer structure to fill a space between the strings, forming a sacrificial layer pattern to partially fill spaces between first and second preliminary gate structures, removing a portion of the first insulation layer not covered by the sacrificial layer pattern to form a first insulation layer pattern, reacting portions of the first and second preliminary gate structures not covered by the first insulation layer pattern with a conductive layer to form gate structures, and forming a capping layer on the gate structures to form air gaps between the gate structures.
    • 一种制造半导体器件的方法包括形成彼此间隔开第一距离的多个串,每个串包括在第二预栅结构之间间隔第二距离小于第一距离的第一预栅极结构,形成第一绝缘层 覆盖第一和第二预选栅极结构,形成绝缘层结构以填充串之间的空间,形成牺牲层图案以部分地填充第一和第二预选栅结构之间的空间,去除未覆盖的第一绝缘层的一部分 通过所述牺牲层图案以形成第一绝缘层图案,使未被所述第一绝缘层图案覆盖的所述第一和第二预选栅极结构的部分与导电层反应以形成栅极结构,并且在所述栅极结构上形成覆盖层 在门结构之间形成气隙。