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    • 33. 发明授权
    • Method of manufacturing semiconductor device
    • 制造半导体器件的方法
    • US07521309B2
    • 2009-04-21
    • US11948344
    • 2007-11-30
    • Akio KanekoMotoyuki SatoKatsuyuki SekineTomohiro SaitoKazuaki NakajimaTomonori Aoyama
    • Akio KanekoMotoyuki SatoKatsuyuki SekineTomohiro SaitoKazuaki NakajimaTomonori Aoyama
    • H01L21/336
    • H01L29/517H01L21/28097H01L21/3215H01L21/823814H01L21/823835H01L21/823842H01L29/66507
    • A method of manufacturing a semiconductor device having a MOSFET of a first conductivity type and a MOSFET of a second conductivity type different from the first conductivity type formed on a semiconductor substrate, the method has: forming a gate insulating film; forming a first gate electrode layer, and forming a second gate electrode layer; forming a first metal containing layer on said first gate electrode layer and said second gate electrode layer; forming a second metal containing layer for preventing diffusion of a metal on said first metal containing layer; forming a third metal containing layer on said second gate electrode layer from which said first metal containing layer and said second metal containing layer are selectively removed, the third metal containing layer having a thickness different from the thickness of said first metal containing layer in a case where the third metal containing layer contains the same metal or alloy as the metal or alloy contained in said first metal containing layer; and performing a thermal processing, thereby causing reaction between the metal contained in said first metal containing layer and said first gate electrode layer to convert said first gate electrode layer into an alloy and causing reaction between the metal contained in said third metal containing layer and said second gate electrode layer to convert said second gate electrode layer into an alloy, thereby forming gate electrodes of different compositions.
    • 一种制造具有第一导电类型的MOSFET的半导体器件的方法和形成在半导体衬底上的与第一导电类型不同的第二导电类型的MOSFET,该方法具有:形成栅极绝缘膜; 形成第一栅电极层,形成第二栅电极层; 在所述第一栅电极层和所述第二栅电极层上形成第一含金属层; 形成用于防止金属在所述第一金属含有层上的扩散的第二含金属层; 在所述第二栅电极层上形成第三金属含有层,从所述第二金属含有层和所述第二金属含有层被选择性地除去,所述第三金属含有层的厚度与所述第一金属含有层的厚度不同 其中所述第三含金属层包含与所述第一含金属层中所含的金属或合金相同的金属或合金; 并进行热处理,从而使包含在所述第一金属含有层中的金属与所述第一栅极电极层之间产生反应,将所述第一栅电极层转换成合金,并引起所述第三金属含有层中含有的金属与所述 第二栅极电极层,以将所述第二栅电极层转换成合金,从而形成不同组成的栅电极。
    • 37. 发明申请
    • SEMICONDUCTOR DEVICE HAVING FINS FET AND MANUFACTURING METHOD THEREOF
    • 具有FINS FET的半导体器件及其制造方法
    • US20080191271A1
    • 2008-08-14
    • US11972097
    • 2008-01-10
    • Atsushi YAGISHITAAkio KANEKO
    • Atsushi YAGISHITAAkio KANEKO
    • H01L29/00H01L21/3205
    • H01L29/785H01L29/0673H01L29/42392H01L29/66795H01L29/7854H01L29/78639
    • A line-form insulator is formed on a substrate and then the substrate is etched with the insulator used as a mask to form first trenches on both sides of the insulator. Side wall insulators are formed on the side walls of the first trenches, the substrate is etched with the insulator and side wall insulators used as a mask to form second trenches in the bottom of the first trenches. After, the substrate is oxidized with the insulator and side wall insulators used as an anti-oxidation mask to cause oxide regions formed on the adjacent side walls of the second trenches lying on both sides of the substrate to make contact with each other and the insulator and side wall insulators are removed. Then, a fin FET having a semiconductor region as a line-form fin is formed in the substrate.
    • 在衬底上形成线形绝缘体,然后用用作掩模的绝缘体蚀刻衬底,以在绝缘体的两侧形成第一沟槽。 侧壁绝缘体形成在第一沟槽的侧壁上,用绝缘体和侧壁绝缘体作为掩模蚀刻衬底,以在第一沟槽的底部形成第二沟槽。 之后,用作为抗氧化掩模的绝缘体和侧壁绝缘体氧化衬底,使得形成在位于衬底两侧的第二沟槽的相邻侧壁上形成的氧化物区域相互接触,并且绝缘体 和侧壁绝缘子被去除。 然后,在衬底中形成具有半导体区域作为线状翅片的翅片FET。
    • 38. 发明申请
    • Method of Manufacturing Semiconductor Device
    • 制造半导体器件的方法
    • US20080138969A1
    • 2008-06-12
    • US11948344
    • 2007-11-30
    • Akio KanekoMotoyuki SatoKatsuyuki SekineTomohiro SaitoKazuaki NakajimaTomonori Aoyama
    • Akio KanekoMotoyuki SatoKatsuyuki SekineTomohiro SaitoKazuaki NakajimaTomonori Aoyama
    • H01L21/28
    • H01L29/517H01L21/28097H01L21/3215H01L21/823814H01L21/823835H01L21/823842H01L29/66507
    • A method of manufacturing a semiconductor device having a MOSFET of a first conductivity type and a MOSFET of a second conductivity type different from the first conductivity type formed on a semiconductor substrate, the method has: forming a gate insulating film; forming a first gate electrode layer, and forming a second gate electrode layer; forming a first metal containing layer on said first gate electrode layer and said second gate electrode layer; forming a second metal containing layer for preventing diffusion of a metal on said first metal containing layer; forming a third metal containing layer on said second gate electrode layer from which said first metal containing layer and said second metal containing layer are selectively removed, the third metal containing layer having a thickness different from the thickness of said first metal containing layer in a case where the third metal containing layer contains the same metal or alloy as the metal or alloy contained in said first metal containing layer; and performing a thermal processing, thereby causing reaction between the metal contained in said first metal containing layer and said first gate electrode layer to convert said first gate electrode layer into an alloy and causing reaction between the metal contained in said third metal containing layer and said second gate electrode layer to convert said second gate electrode layer into an alloy, thereby forming gate electrodes of different compositions.
    • 一种制造具有第一导电类型的MOSFET的半导体器件的方法和形成在半导体衬底上的与第一导电类型不同的第二导电类型的MOSFET,该方法具有:形成栅极绝缘膜; 形成第一栅电极层,形成第二栅电极层; 在所述第一栅电极层和所述第二栅电极层上形成第一含金属层; 形成用于防止金属在所述第一金属含有层上的扩散的第二含金属层; 在所述第二栅电极层上形成第三金属含有层,从所述第二金属含有层和所述第二金属含有层选择性地除去所述第三金属含有层,所述第三金属含有层的厚度与所述第一金属含有层的厚度不同 其中所述第三含金属层包含与所述第一含金属层中所含的金属或合金相同的金属或合金; 并进行热处理,从而使包含在所述第一金属含有层中的金属与所述第一栅极电极层之间产生反应,将所述第一栅电极层转换成合金,并引起所述第三金属含有层中含有的金属与所述 第二栅极电极层,以将所述第二栅电极层转换成合金,从而形成不同组成的栅极。
    • 39. 发明授权
    • Semiconductor device and method of fabricating the same
    • 半导体装置及其制造方法
    • US07371644B2
    • 2008-05-13
    • US11404772
    • 2006-04-17
    • Atsushi YagishitaAkio KanekoKazunari Ishimaru
    • Atsushi YagishitaAkio KanekoKazunari Ishimaru
    • H01L21/336
    • H01L29/785H01L21/28097H01L21/823431H01L27/0886H01L29/66795H01L29/6681H01L29/7851
    • According to the present invention, there is provided a semiconductor device fabrication method, comprising: depositing a mask material on a semiconductor substrate; patterning the mask material and forming a trench in a surface portion of the semiconductor substrate by etching, thereby forming a first projection in a first region, and a second projection wider than the first projection in a second region; burying a device isolation insulating film in the trench; etching away a predetermined amount of the device isolation insulating film formed in the first region; etching away the mask material formed in the second region; forming a first gate insulating film on a pair of opposing side surfaces of the first projection, and a second gate insulating film on an upper surface of the second projection; depositing a first gate electrode material on the device isolation insulating film, mask material, and second gate insulating film; planarizing the first gate electrode material by using as stoppers the mask material formed in the first region and the device isolation insulating film formed in the second region; depositing a second gate electrode material on the mask material, first gate electrode material, and device isolation insulating film; and patterning the first and second gate electrode materials, thereby forming a first gate electrode in the first region, and a second gate electrode in the second region.
    • 根据本发明,提供了一种半导体器件制造方法,包括:在半导体衬底上沉积掩模材料; 图案化掩模材料并通过蚀刻在半导体衬底的表面部分中形成沟槽,从而在第一区域中形成第一突起,在第二区域形成比第一突起宽的第二突起; 在沟槽中埋设器件隔离绝缘膜; 蚀刻形成在第一区域中的预定量的器件隔离绝缘膜; 蚀刻形成在第二区域中的掩模材料; 在所述第一突起的一对相对的侧面上形成第一栅极绝缘膜,在所述第二突起的上表面上形成第二栅极绝缘膜; 在器件隔离绝缘膜,掩模材料和第二栅极绝缘膜上沉积第一栅电极材料; 通过使用形成在第一区域中的掩模材料和形成在第二区域中的器件隔离绝缘膜作为阻挡层来平坦化第一栅电极材料; 在掩模材料上沉积第二栅电极材料,第一栅电极材料和器件隔离绝缘膜; 以及对第一和第二栅电极材料进行构图,从而在第一区域形成第一栅电极,在第二区域形成第二栅电极。