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    • 61. 发明申请
    • VERTICAL PARALLEL PLATE CAPACITOR USING SPACER SHAPED ELECTRODES AND METHOD FOR FABRICATION THEREOF
    • 使用间隔型电极的垂直平行平板电容器及其制造方法
    • US20070241424A1
    • 2007-10-18
    • US11279434
    • 2006-04-12
    • Timothy DaltonJeffrey GambinoAnthony Stamper
    • Timothy DaltonJeffrey GambinoAnthony Stamper
    • H01L29/00
    • H01G4/33H01G4/236H01L28/91Y10T29/435
    • A capacitor structure uses an aperture located within a dielectric layer in turn located over a substrate. A pair of conductor interconnection layers embedded within the dielectric layer terminates at a pair of opposite sidewalks of the aperture. A pair of capacitor plates is located upon the pair of opposite sidewalks of the aperture and contacting the pair of conductor interconnection layers, but not filling the aperture. A capacitor dielectric layer is located interposed between the pair of capacitor plates and filling the aperture. The pair of capacitor plates may be formed using an anisotropic unmasked etch followed by a masked trim etch. Alternatively, the pair of capacitor plates may be formed using an unmasked anisotropic etch only, when the pair of opposite sidewalks of the aperture is vertical and separated by a second pair of opposite sidewalks that is outward sloped.
    • 电容器结构使用位于电介质层内的开口依次位于衬底上。 嵌入电介质层内的一对导体互连层终止于孔的一对相对的人行道。 一对电容器板位于孔的一对相对的人行道上,并接触一对导体互连层,但不填充孔。 电容器介质层位于一对电容器板之间并填充孔。 可以使用各向异性无掩模蚀刻,然后进行掩模修整蚀刻来形成该对电容器板。 或者,一对电容器板可以仅使用未屏蔽的各向异性蚀刻形成,当孔的一对相对的人行道是垂直的并且被向外倾斜的第二对相对的人行道分隔开时。
    • 64. 发明申请
    • MIM CAPACITOR AND METHOD OF FABRICATING SAME
    • MIM电容器及其制造方法
    • US20070117313A1
    • 2007-05-24
    • US11625883
    • 2007-01-23
    • Chih-Chao YangLawrence ClevengerTimothy DaltonLouis Hsu
    • Chih-Chao YangLawrence ClevengerTimothy DaltonLouis Hsu
    • H01L21/8242H01L29/94H01L27/108
    • H01L23/5223H01L23/5329H01L23/53295H01L2924/0002H01L2924/00
    • A damascene MIM capacitor and a method of fabricating the MIM capacitor. The MIN capacitor includes a dielectric layer having top and bottom surfaces; a trench in the dielectric layer, the trench extending from the top surface to the bottom surface of the dielectric layer; a first plate of a MIM capacitor comprising a conformal conductive liner formed on all sidewalls and extending along a bottom of the trench, the bottom of the trench coplanar with the bottom surface of the dielectric layer; an insulating layer formed over a top surface of the conformal conductive liner; and a second plate of the MIM capacitor comprising a core conductor in direct physical contact with the insulating layer, the core conductor filling spaces in the trench not filled by the conformal conductive liner and the insulating layer. The method includes forming portions of the MIM capacitor simultaneously with damascene interconnection wires.
    • 一种镶嵌MIM电容器和一种制造MIM电容器的方法。 MIN电容器包括具有顶表面和底表面的电介质层; 电介质层中的沟槽,沟槽从电介质层的顶表面延伸到底表面; MIM电容器的第一板包括形成在所有侧壁上并沿着沟槽的底部延伸的共形导电衬垫,沟槽的底部与电介质层的底表面共面; 绝缘层,形成在所述共形导电衬垫的顶表面上; 以及MIM电容器的第二板,其包括与所述绝缘层直接物理接触的芯导体,所述芯导体填充所述沟槽中的未被所述共形导电衬垫和所述绝缘层填充的空间。 该方法包括与镶嵌互连线同时形成MIM电容器的部分。
    • 67. 发明申请
    • Method of etching dual pre-doped polysilicon gate stacks using carbon-containing gases additions
    • 使用含碳气体添加剂蚀刻双预掺杂多晶硅栅极叠层的方法
    • US20060183308A1
    • 2006-08-17
    • US10730891
    • 2003-12-10
    • Ying ZhangTimothy DaltonWesley Natzle
    • Ying ZhangTimothy DaltonWesley Natzle
    • H01L21/28H01L21/44
    • H01L21/28123H01L21/32137H01L21/32139
    • A method for making dual pre-doped gate stacks used in semiconductor applications such as complementary metal oxide semiconductor (CMOS) devices and metal oxide semiconductor field effect transistors (MOSFETs) is provided. The method involves providing at least one pre-doped conductive layer, such as poly silicon (poly-Si), on a gate stack and etching by exposing the conductive layer to an etching composition comprising at least one carbon containing gas. The carbon containing gas can be selected from gases having the general formula CxHy, such as, for example, CH4, C2H2, C2H4, and C2H6. The carbon containing gas can further be selected from gases having the general formula CxHyA, wherein a can represent one or more additional substituents selected from O, N, P, S, F, Cl, Br, and I. The processes can result in dual pre-doped gate stacks having essentially vertical sidewalls and further having a width of at least about 3 nm, such as from about 5 nm to about 150 nm.
    • 提供了在半导体应用中使用诸如互补金属氧化物半导体(CMOS)器件和金属氧化物半导体场效应晶体管(MOSFET)的双预预掺杂栅叠层的方法。 该方法包括在栅叠层上提供至少一个预先掺杂的导电层,例如多晶硅(poly-Si),以及通过将导电层暴露于含有至少一种含碳气体的蚀刻组合物进行蚀刻。 含碳气体可以选自具有通式C x H H y H的气体,例如CH 4,C 3, H 2 H 2,C 2 H 4,和C 2 H 2, 6 。 含碳气体还可以选自具有通式C x H A A A的气体,其中a可以表示一个或多个选自O,N,P ,S,F,Cl,Br和I.该工艺可以导致具有基本上垂直的侧壁并且还具有至少约3nm,例如约5nm至约150nm的宽度的双预掺杂栅叠层。