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    • 1. 发明授权
    • Methods of manufacturing semiconductor devices
    • 制造半导体器件的方法
    • US07785985B2
    • 2010-08-31
    • US12133772
    • 2008-06-05
    • Dong-woon ShinTai-su ParkSi-young ChoiSoo-jin HongMi-jin Kim
    • Dong-woon ShinTai-su ParkSi-young ChoiSoo-jin HongMi-jin Kim
    • H01L21/76
    • H01L21/823481H01L21/76229H01L21/823456H01L27/0921H01L27/105
    • Methods of manufacturing a semiconductor device, which can reduce hot electron induced punchthrough (HEIP) and/or improve the operating characteristics of the device include selectively forming an oxynitride layer in a device isolation layer according to the characteristics of transistors isolated by the device isolation layer. The methods include forming first trenches and second trenches on a substrate, forming an oxide layer on the surfaces of the first trenches and the second trenches, selectively forming an oxynitride layer on the second trenches by using plasma ion immersion implantation (PIII), and forming a buried insulating layer in the first trenches and the second trenches. The buried insulating layer may be planarized to form a first device isolation layer in the first trenches and a second device isolation layer in the second trenches.
    • 可以减少热电子穿透(HEIP)和/或改善器件的工作特性的半导体器件的制造方法包括根据器件隔离层隔离的晶体管的特性选择性地在器件隔离层中形成氧氮化物层 。 所述方法包括在衬底上形成第一沟槽和第二沟槽,在第一沟槽和第二沟槽的表面上形成氧化物层,通过使用等离子体离子浸没注入(PIII)在第二沟槽上选择性地形成氧氮化物层,并形成 在第一沟槽和第二沟槽中的掩埋绝缘层。 掩埋绝缘层可以被平坦化以在第一沟槽中形成第一器件隔离层,在第二沟槽中形成第二器件隔离层。
    • 2. 发明申请
    • METHOD OF FORMING SHALLOW TRENCH ISOLATION REGIONS IN DEVICES WITH NMOS AND PMOS REGIONS
    • 在具有NMOS和PMOS区域的器件中形成低温分离区的方法
    • US20090311846A1
    • 2009-12-17
    • US12466178
    • 2009-05-14
    • Dong-Woon ShinSoo-jin HongGuk-hyon YonSi-young ChoiSun-ghil Lee
    • Dong-Woon ShinSoo-jin HongGuk-hyon YonSi-young ChoiSun-ghil Lee
    • H01L21/762
    • H01L21/76229H01L21/823878H01L27/10894H01L27/11546
    • A mask pattern is formed on a semiconductor substrate in which a cell region, a PMOS region, and an NMOS region are defined. Trenches are formed in the cell region, the PMOS region, and the NMOS region. A sidewall oxide layer and a protection layer are formed in the trenches, and a portion of the protection layer in the PMOS region is removed. A first device isolation insulating layer is formed on the substrate, filling the trenches. Portions of the first device isolation insulating layer are removed to expose the mask pattern and the trenches of the cell region and the NMOS region and to leave a portion of the first device isolation insulating layer in the trench in the PMOS region. A liner is formed on the portion of the first device isolation region in the trench in the PMOS region and conforming to sidewalls of the trenches in the cell region and the NMOS region. A second device isolation insulating layer is formed on the substrate, filling the trenches in the cell region and the NMOS region. Portions of the second device isolation insulating layer are removed to expose the mask pattern and to leave portions of the second device isolation insulating layer in the trenches of the cell region and the NMOS region.
    • 在其中限定了单元区域,PMOS区域和NMOS区域的半导体衬底上形成掩模图案。 在单元区域,PMOS区域和NMOS区域中形成沟槽。 在沟槽中形成侧壁氧化物层和保护层,并且去除PMOS区域中的保护层的一部分。 在衬底上形成第一器件隔离绝缘层,填充沟槽。 去除第一器件隔离绝缘层的部分以露出掩模图案和单元区域和NMOS区域的沟槽,并且在PMOS区域的沟槽中留下第一器件隔离绝缘层的一部分。 衬垫形成在PMOS区域的沟槽中的第一器件隔离区域的部分上,并且与衬底区域和NMOS区域中的沟槽的侧壁一致。 在衬底上形成第二器件隔离绝缘层,填充单元区域和NMOS区域中的沟槽。 去除第二器件隔离绝缘层的部分以暴露掩模图案并且将第二器件隔离绝缘层的部分留在单元区域和NMOS区域的沟槽中。
    • 8. 发明申请
    • METHODS OF MANUFACTURING SEMICONDUCTOR DEVICES
    • 制造半导体器件的方法
    • US20090203188A1
    • 2009-08-13
    • US12133772
    • 2008-06-05
    • Dong-woon ShinTai-su ParkSi-young ChoiSoo-jin HongMi-jin Kim
    • Dong-woon ShinTai-su ParkSi-young ChoiSoo-jin HongMi-jin Kim
    • H01L21/76
    • H01L21/823481H01L21/76229H01L21/823456H01L27/0921H01L27/105
    • Methods of manufacturing a semiconductor device, which can reduce hot electron induced punchthrough (HEIP) and/or improve the operating characteristics of the device include selectively forming an oxynitride layer in a device isolation layer according to the characteristics of transistors isolated by the device isolation layer. The methods include forming first trenches and second trenches on a substrate, forming an oxide layer on the surfaces of the first trenches and the second trenches, selectively forming an oxynitride layer on the second trenches by using plasma ion immersion implantation (PIII), and forming a buried insulating layer in the first trenches and the second trenches. The buried insulating layer may be planarized to form a first device isolation layer in the first trenches and a second device isolation layer in the second trenches.
    • 可以减少热电子穿透(HEIP)和/或改善器件的工作特性的半导体器件的制造方法包括根据器件隔离层隔离的晶体管的特性选择性地在器件隔离层中形成氧氮化物层 。 所述方法包括在衬底上形成第一沟槽和第二沟槽,在第一沟槽和第二沟槽的表面上形成氧化物层,通过使用等离子体离子浸没注入(PIII)在第二沟槽上选择性地形成氧氮化物层,并形成 在第一沟槽和第二沟槽中的掩埋绝缘层。 掩埋绝缘层可以被平坦化以在第一沟槽中形成第一器件隔离层,在第二沟槽中形成第二器件隔离层。
    • 9. 发明授权
    • Method of forming shallow trench isolation regions in devices with NMOS and PMOS regions
    • 在具有NMOS和PMOS区域的器件中形成浅沟槽隔离区的方法
    • US07871897B2
    • 2011-01-18
    • US12466178
    • 2009-05-14
    • Dong-woon ShinSoo-jin HongGuk-hyon YonSi-young ChoiSun-ghil Lee
    • Dong-woon ShinSoo-jin HongGuk-hyon YonSi-young ChoiSun-ghil Lee
    • H01L21/762
    • H01L21/76229H01L21/823878H01L27/10894H01L27/11546
    • A mask pattern is formed on a semiconductor substrate in which a cell region, a PMOS region, and an NMOS region are defined. Trenches are formed in the cell region, the PMOS region, and the NMOS region. A sidewall oxide layer and a protection layer are formed in the trenches, and a portion of the protection layer in the PMOS region is removed. A first device isolation insulating layer is formed on the substrate, filling the trenches. Portions of the first device isolation insulating layer are removed to expose the mask pattern and the trenches of the cell region and the NMOS region and to leave a portion of the first device isolation insulating layer in the trench in the PMOS region. A liner is formed on the portion of the first device isolation region in the trench in the PMOS region and conforming to sidewalls of the trenches in the cell region and the NMOS region. A second device isolation insulating layer is formed on the substrate, filling the trenches in the cell region and the NMOS region. Portions of the second device isolation insulating layer are removed to expose the mask pattern and to leave portions of the second device isolation insulating layer in the trenches of the cell region and the NMOS region.
    • 在其中限定了单元区域,PMOS区域和NMOS区域的半导体衬底上形成掩模图案。 在单元区域,PMOS区域和NMOS区域中形成沟槽。 在沟槽中形成侧壁氧化物层和保护层,并且去除PMOS区域中的保护层的一部分。 在衬底上形成第一器件隔离绝缘层,填充沟槽。 去除第一器件隔离绝缘层的部分以露出掩模图案和单元区域和NMOS区域的沟槽,并且在PMOS区域的沟槽中留下第一器件隔离绝缘层的一部分。 衬垫形成在PMOS区域的沟槽中的第一器件隔离区域的部分上,并且与衬底区域和NMOS区域中的沟槽的侧壁一致。 在衬底上形成第二器件隔离绝缘层,填充单元区域和NMOS区域中的沟槽。 去除第二器件隔离绝缘层的部分以暴露掩模图案并且将第二器件隔离绝缘层的部分留在单元区域和NMOS区域的沟槽中。