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    • 4. 发明申请
    • Method of fabricating CMOS type semiconductor device having dual gates
    • 制造具有双栅极的CMOS型半导体器件的方法
    • US20060068539A1
    • 2006-03-30
    • US11225914
    • 2005-09-13
    • Byung-Jun ParkJoon-Mo Kwon
    • Byung-Jun ParkJoon-Mo Kwon
    • H01L21/8238H01L21/31
    • H01L21/823835H01L21/823842
    • According to some embodiments, methods of fabricating a complementary metal oxide semiconductor (CMOS) type semiconductor device having dual gates are provided. The method includes forming an insulated first gate electrode on the P-type well, and an insulated second initial gate electrode on the N-type well. A first lower interlayer insulating layer exposing a top surface of the first gate electrode is formed on the P-type well while a second lower interlayer insulating layer exposing a top surface of the second initial gate electrode is formed on the N-type well. P-type impurity ions are selectively implanted into the second initial gate electrode to form a second gate electrode. A first ion implantation mask pattern is formed over the first gate electrode while a second ion implantation mask pattern is formed over the second gate electrode. The second lower interlayer insulating layer is etched, using the second ion implantation mask pattern as an etch mask, to expose a top surface of the N-type well. P-type impurity ions are implanted into the N-type well, using the second ion implantation mask pattern as an ion implantation mask, to form second source and drain regions on both sides of the second gate electrode.
    • 根据一些实施例,提供制造具有双栅极的互补金属氧化物半导体(CMOS)型半导体器件的方法。 该方法包括在P型阱上形成绝缘的第一栅电极,在N型阱上形成绝缘的第二初始栅电极。 在P型阱上形成暴露第一栅电极的顶表面的第一下层间绝缘层,而在N型阱上形成暴露第二初始栅电极的顶表面的第二下层间绝缘层。 选择性地将P型杂质离子注入第二初始栅电极以形成第二栅电极。 在第一栅极上形成第一离子注入掩模图案,同时在第二栅电极上形成第二离子注入掩模图案。 使用第二离子注入掩模图案作为蚀刻掩模蚀刻第二下层间绝缘层,以暴露N型阱的顶表面。 使用第二离子注入掩模图案作为离子注入掩模将P型杂质离子注入到N型阱中,以在第二栅电极的两侧形成第二源区和漏区。
    • 6. 发明授权
    • Method of fabricating CMOS type semiconductor device having dual gates
    • 制造具有双栅极的CMOS型半导体器件的方法
    • US07192822B2
    • 2007-03-20
    • US11225914
    • 2005-09-13
    • Byung-Jun ParkJoon-Mo Kwon
    • Byung-Jun ParkJoon-Mo Kwon
    • H01L21/336
    • H01L21/823835H01L21/823842
    • According to some embodiments, methods of fabricating a complementary metal oxide semiconductor (CMOS) type semiconductor device having dual gates are provided. The method includes forming an insulated first gate electrode on the P-type well, and an insulated second initial gate electrode on the N-type well. A first lower interlayer insulating layer exposing a top surface of the first gate electrode is formed on the P-type well while a second lower interlayer insulating layer exposing a top surface of the second initial gate electrode is formed on the N-type well. P-type impurity ions are selectively implanted into the second initial gate electrode to form a second gate electrode. A first ion implantation mask pattern is formed over the first gate electrode while a second ion implantation mask pattern is formed over the second gate electrode. The second lower interlayer insulating layer is etched, using the second ion implantation mask pattern as an etch mask, to expose a top surface of the N-type well. P-type impurity ions are implanted into the N-type well, using the second ion implantation mask pattern as an ion implantation mask, to form second source and drain regions on both sides of the second gate electrode.
    • 根据一些实施例,提供制造具有双栅极的互补金属氧化物半导体(CMOS)型半导体器件的方法。 该方法包括在P型阱上形成绝缘的第一栅电极,在N型阱上形成绝缘的第二初始栅电极。 在P型阱上形成暴露第一栅电极的顶表面的第一下层间绝缘层,而在N型阱上形成暴露第二初始栅电极的顶表面的第二下层间绝缘层。 选择性地将P型杂质离子注入第二初始栅电极以形成第二栅电极。 在第一栅极上形成第一离子注入掩模图案,同时在第二栅电极上形成第二离子注入掩模图案。 使用第二离子注入掩模图案作为蚀刻掩模蚀刻第二下层间绝缘层,以暴露N型阱的顶表面。 使用第二离子注入掩模图案作为离子注入掩模将P型杂质离子注入到N型阱中,以在第二栅电极的两侧形成第二源区和漏区。