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    • 2. 发明申请
    • METHODS OF FORMING WIRING STRUCTURES
    • 形成接线结构的方法
    • US20110183516A1
    • 2011-07-28
    • US13080001
    • 2011-04-05
    • Kyoung-Woo Lee
    • Kyoung-Woo Lee
    • H01L21/768
    • H01L21/7682H01L21/76831H01L21/76835H01L21/76849H01L23/5222H01L23/53295H01L2221/1063H01L2924/0002H01L2924/00
    • In a method of forming a wiring structure, a first insulation layer is formed on a substrate, the first insulation layer comprising a group of hydrocarbon (CαHβ) wherein α and β are integers. A second insulation layer is formed on the first insulation layer, the second insulation layer being avoid of the group of hydrocarbon. A first opening is formed through the first and the second insulation layers by etching the first and the second insulation layers. A damaged pattern and a first insulation layer pattern are formed by performing a surface treatment on a portion of the first insulation layer corresponding to an inner sidewall of the first opening. A sacrificial spacer is formed in the first opening on the damaged pattern and on the second insulation layer. A conductive pattern is formed in the first opening. The sacrificial spacer and the damaged pattern are removed to form a first air gap between the conductive pattern and the first insulation layer pattern, and to form a second air gap between the conductive pattern and the second insulation layer.
    • 在形成布线结构的方法中,在基板上形成第一绝缘层,所述第一绝缘层包含一组烃(CαH&bgr),其中α和bgr; 是整数。 在第一绝缘层上形成第二绝缘层,第二绝缘层避免了一组烃。 通过蚀刻第一绝缘层和第二绝缘层,通过第一和第二绝缘层形成第一开口。 通过对与第一开口的内侧壁对应的第一绝缘层的一部分进行表面处理,形成损伤图案和第一绝缘层图案。 在损伤图案上的第一开口和第二绝缘层上形成牺牲隔离物。 在第一开口中形成导电图案。 除去牺牲隔离物和损伤图案以在导电图案和第一绝缘层图案之间形成第一气隙,并在导电图案和第二绝缘层之间形成第二气隙。
    • 8. 发明申请
    • CMOS Integrated Circuit Devices Having Stressed NMOS and PMOS Channel Regions Therein
    • CMOS集成电路器件已经在其中突出了NMOS和PMOS沟道区域
    • US20090194817A1
    • 2009-08-06
    • US12420936
    • 2009-04-09
    • Kyoung-woo LeeJa-hum KuJae-eon Park
    • Kyoung-woo LeeJa-hum KuJae-eon Park
    • H01L27/092H01L23/48
    • H01L21/823807H01L21/76816H01L21/823871H01L29/7843H01L2924/0002H01L2924/00
    • Methods of forming CMOS integrated circuit devices include forming at least first, second and third transistors in a semiconductor substrate and then covering the transistors with one or more electrically insulating layers that impart a net stress (tensile or compressive) to channel regions of the transistors. The covering step may include covering the first and second transistors with a first electrically insulating layer having a sufficiently high internal stress characteristic to impart a net tensile (or compressive) stress in a channel region of the first transistor and covering the second and third transistors with a second electrically insulating layer having a sufficiently high internal stress characteristic to impart a net compressive (or tensile) stress in a channel region of the third transistor. A step may then performed to selectively remove a first portion of the second electrically insulating layer extending opposite a gate electrode of the second transistor. In addition, a step may be performed to selectively remove a first portion of the first electrically insulating layer extending opposite a gate electrode of the first transistor and a second portion of the second electrically insulating layer extending opposite a gate electrode of the third transistor.
    • 形成CMOS集成电路器件的方法包括在半导体衬底中形成至少第一,第二和第三晶体管,然后用一个或多个赋予晶体管沟道区的净应力(拉伸或压缩)的电绝缘层覆盖晶体管。 覆盖步骤可以包括用具有足够高的内应力特性的第一电绝缘层覆盖第一和第二晶体管,以在第一晶体管的沟道区域中施加净拉伸(或压缩)应力,并用第 具有足够高的内应力特性的第二电绝缘层,以在第三晶体管的沟道区域中施加净压缩(或拉伸)应力。 然后执行步骤以选择性地去除与第二晶体管的栅电极相对延伸的第二电绝缘层的第一部分。 此外,可以执行步骤以选择性地去除与第一晶体管的栅极相对延伸的第一电绝缘层的第一部分和与第三晶体管的栅电极相对延伸的第二电绝缘层的第二部分。