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    • 2. 发明授权
    • Semiconductor devices including multiple stress films in interface area
    • 半导体器件包括界面区域中的多个应力膜
    • US07902609B2
    • 2011-03-08
    • US12621079
    • 2009-11-18
    • Seo-woo NamKi-chul KimYoung-joon MoonJae-ouk ChooHong-jae ShinNae-in Lee
    • Seo-woo NamKi-chul KimYoung-joon MoonJae-ouk ChooHong-jae ShinNae-in Lee
    • H01L23/62
    • H01L21/823412H01L21/823807H01L27/088H01L27/092H01L29/665H01L29/6659H01L29/7843H01L2924/0002H01L2924/00
    • A semiconductor substrate includes a first transistor area having a first gate electrode and first source/drain areas, a second transistor area having a second gate electrode and second source/drain areas, and an interface area provided at an interface of the first transistor area and the second transistor area and having a third gate electrode. A first stress film is on the first gate electrode and the first source/drain areas of the first transistor area and at least a portion of the third gate electrode of the interface area. A second stress film is on the second gate electrode and the second source/drain areas of the second transistor area and not overlapping the first stress film on the third gate electrode of the interface area or overlapping at least a portion of the first stress film. The second stress film overlapping at least the portion of the first stress film is thinner than the second stress film in the second transistor area. Related methods are also described.
    • 半导体衬底包括具有第一栅极电极和第一源极/漏极区域的第一晶体管区域,具有第二栅电极和第二源极/漏极区域的第二晶体管区域,以及设置在第一晶体管区域和 第二晶体管区域并具有第三栅电极。 第一应力膜位于第一栅极电极和第一晶体管区域的第一源极/漏极区域和界面区域的第三栅极电极的至少一部分之间。 第二应力膜位于第二晶体管区域的第二栅极电极和第二源极/漏极区域上,并且不与界面区域的第三栅电极上的第一应力膜重叠或与第一应力膜的至少一部分重叠。 与第一应力膜的至少部分重叠的第二应力膜比第二晶体管区域中的第二应力膜更薄。 还描述了相关方法。
    • 4. 发明申请
    • Semiconductor device and method of fabricating the same
    • 半导体装置及其制造方法
    • US20080272436A1
    • 2008-11-06
    • US11853187
    • 2007-09-11
    • Seo-woo NamYoung-joon MoonHong-jae ShinNae-in Lee
    • Seo-woo NamYoung-joon MoonHong-jae ShinNae-in Lee
    • H01L21/8234H01L27/088H01L21/283
    • H01L21/823807H01L21/76802H01L21/76816H01L21/76829H01L21/76832H01L21/823871H01L29/7843H01L2924/0002H01L2924/00
    • A semiconductor device includes a first stress film covering a first gate electrode and first source/drain areas of a first transistor area and at least a portion of a third gate electrode of an interface area, a second stress film covering a second gate electrode and second source/drain areas of a second transistor area and overlapping at least a portion of the first stress film on the third gate electrode of the interface area, and an interlayer insulating film formed on the first and the second stress film. The semiconductor device further includes a plurality of first contact holes formed through the interlayer insulating film and the first stress film in the first transistor area to expose the first gate electrode and the first source/drain areas, a plurality of second contact holes formed through the interlayer insulating film and the second stress film in the second transistor area to expose the second gate electrode and the second source/drain areas, and a third contact hole formed through the interlayer insulating film, the second stress film, and the first stress film in the interface area to expose the third gate electrode. A depth of a recessed portion of an upper side of the third gate electrode in which the third contact hole is formed is equal to or larger than a depth of a recessed portion of an upper side of the first gate electrode in which the first contact hole is formed.
    • 半导体器件包括覆盖第一栅电极的第一应力膜和第一晶体管区域的第一源极/漏极区域和界面区域的第三栅电极的至少一部分,覆盖第二栅电极的第二应力膜和第二应力膜 第二晶体管区域的源极/漏极区域,并且与界面区域的第三栅电极上的第一应力膜的至少一部分重叠,以及形成在第一和第二应力膜上的层间绝缘膜。 半导体器件还包括多个通过层间绝缘膜形成的第一接触孔和第一晶体管区域中的第一应力膜,以暴露第一栅极电极和第一源极/漏极区域,形成多个第二接触孔 层间绝缘膜和第二晶体管区域中的第二应力膜,以暴露第二栅电极和第二源极/漏极区,以及通过层间绝缘膜,第二应力膜和第一应力膜形成的第三接触孔 暴露第三栅电极的界面区域。 形成第三接触孔的第三栅电极的上侧的凹部的深度等于或大于第一栅电极的上侧的凹部的深度,其中第一接触孔 形成了。
    • 5. 发明授权
    • Semiconductor device and method of fabricating the same
    • 半导体装置及其制造方法
    • US07759185B2
    • 2010-07-20
    • US11853187
    • 2007-09-11
    • Seo-woo NamYoung-joon MoonHong-jae ShinNae-in Lee
    • Seo-woo NamYoung-joon MoonHong-jae ShinNae-in Lee
    • H01L21/8238
    • H01L21/823807H01L21/76802H01L21/76816H01L21/76829H01L21/76832H01L21/823871H01L29/7843H01L2924/0002H01L2924/00
    • A semiconductor device includes a first stress film covering a first gate electrode and first source/drain areas of a first transistor area and at least a portion of a third gate electrode of an interface area, a second stress film covering a second gate electrode and second source/drain areas of a second transistor area and overlapping at least a portion of the first stress film on the third gate electrode of the interface area, and an interlayer insulating film formed on the first and the second stress film. The semiconductor device further includes a plurality of first contact holes formed through the interlayer insulating film and the first stress film in the first transistor area to expose the first gate electrode and the first source/drain areas, a plurality of second contact holes formed through the interlayer insulating film and the second stress film in the second transistor area to expose the second gate electrode and the second source/drain areas, and a third contact hole formed through the interlayer insulating film, the second stress film, and the first stress film in the interface area to expose the third gate electrode. A depth of a recessed portion of an upper side of the third gate electrode in which the third contact hole is formed is equal to or larger than a depth of a recessed portion of an upper side of the first gate electrode in which the first contact hole is formed.
    • 半导体器件包括覆盖第一栅电极的第一应力膜和第一晶体管区域的第一源极/漏极区域和界面区域的第三栅电极的至少一部分,覆盖第二栅电极的第二应力膜和第二应力膜 第二晶体管区域的源极/漏极区域,并且与界面区域的第三栅电极上的第一应力膜的至少一部分重叠,以及形成在第一和第二应力膜上的层间绝缘膜。 半导体器件还包括多个通过层间绝缘膜形成的第一接触孔和第一晶体管区域中的第一应力膜,以暴露第一栅极电极和第一源极/漏极区域,形成多个第二接触孔 层间绝缘膜和第二晶体管区域中的第二应力膜,以暴露第二栅电极和第二源极/漏极区,以及通过层间绝缘膜,第二应力膜和第一应力膜形成的第三接触孔 暴露第三栅电极的界面区域。 形成第三接触孔的第三栅电极的上侧的凹部的深度等于或大于第一栅电极的上侧的凹部的深度,其中第一接触孔 形成了。
    • 7. 发明授权
    • Methods of forming integrated circuit devices having tensile and compressive stress layers therein and devices formed thereby
    • 形成其中具有拉伸和压应力层的集成电路器件的方法以及由此形成的器件
    • US07785951B2
    • 2010-08-31
    • US11831223
    • 2007-07-31
    • Seo-woo NamIl-young YoonJae-ouk ChooHong-jae ShinNae-in Lee
    • Seo-woo NamIl-young YoonJae-ouk ChooHong-jae ShinNae-in Lee
    • H01L21/8238
    • H01L29/7843H01L21/31053H01L21/3185H01L21/823807
    • Methods of forming integrated circuit devices include forming first, second and third gate electrodes on a semiconductor substrate. A first stress film is provided that covers the first gate electrode and at least a first portion of the third gate electrode. The first stress film has a sufficiently high internal stress characteristic to impart a net compressive stress in a first portion of the semiconductor substrate extending opposite the first gate electrode. A second stress film is also provided. The second stress film covers the second gate electrode and at least a second portion of the third gate electrode. The second stress film has a sufficiently high internal stress characteristic to impart a net tensile stress in a second portion of the semiconductor substrate extending opposite the second gate electrode. The second stress film has an upper surface that is coplanar with an upper surface of the first stress film at a location adjacent the third gate electrode.
    • 形成集成电路器件的方法包括在半导体衬底上形成第一,第二和第三栅电极。 提供了覆盖第一栅电极和第三栅电极的至少第一部分的第一应力膜。 第一应力膜具有足够高的内部应力特性,以在与第一栅电极相对延伸的半导体衬底的第一部分中赋予净压应力。 还提供了第二应力膜。 第二应力膜覆盖第二栅电极和第三栅电极的至少第二部分。 第二应力膜具有足够高的内部应力特性,以在与第二栅电极相对延伸的半导体衬底的第二部分中施加净拉伸应力。 第二应力膜具有在与第三栅电极相邻的位置处与第一应力膜的上表面共面的上表面。