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    • 72. 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。
    • 75. 发明申请
    • ETCHING APPARATUS FOR SEMICONDUTOR FABRICATION
    • 用于半导体制造的蚀刻装置
    • US20080093342A1
    • 2008-04-24
    • US11962271
    • 2007-12-21
    • Timothy DaltonEmily GallagherLouis KindtCarey ThielAndrew Watts
    • Timothy DaltonEmily GallagherLouis KindtCarey ThielAndrew Watts
    • C23F1/00
    • H01J37/32706H01J37/32091H01J37/32541
    • Method of operating an apparatus which allows etching different substrate etch areas of a substrate having different pattern densities at essentially the same etch rate. The apparatus includes (a) a chamber; (b) an anode and a cathode in the chamber; and (c) a bias power system coupled to the cathode, wherein the cathode includes multiple cathode segments. The operation method is as follows. A substrate to be etched is placed between the anode and cathode, wherein the substrate includes N substrate etch areas, and the N substrate etch areas are directly above the N cathode segments. N bias powers are determined which when being applied to the N cathode segments during an etching of the substrate, will result in essentially a same etch rate for the N substrate etch areas. Then, the bias power system is used to apply the N bias powers the N cathode segments.
    • 操作能够以基本上相同的蚀刻速率蚀刻具有不同图案密度的衬底的不同衬底蚀刻区域的装置的方法。 该装置包括(a)室; (b)室中的阳极和阴极; 和(c)耦合到所述阴极的偏置功率系统,其中所述阴极包括多个阴极段。 操作方法如下。 要蚀刻的衬底放置在阳极和阴极之间,其中衬底包括N个衬底蚀刻区域,并且N个衬底蚀刻区域直接在N个阴极段上方。 确定N偏置功率,当在衬底的蚀刻期间施加到N个阴极段时,将产生对于N个衬底蚀刻区域基本上相同的蚀刻速率。 然后,使用偏置功率系统对N个阴极段施加N个偏置功率。
    • 76. 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
    • US20080047118A1
    • 2008-02-28
    • US11924807
    • 2007-10-26
    • Timothy DaltonJeffrey GambinoAnthony Stamper
    • Timothy DaltonJeffrey GambinoAnthony Stamper
    • H01G7/00
    • 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 sidewalls of the aperture. A pair of capacitor plates is located upon the pair of opposite sidewalls 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 sidewalls of the aperture is vertical and separated by a second pair of opposite sidewalls 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侧壁。 一对电容器板位于孔的一对相对的侧壁上,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,当孔的一对相对的侧壁是垂直的并且被向外倾斜的第二对相对的侧壁隔开时。
    • 78. 发明申请
    • Dual damascene process flow enabling minimal ULK film modification and enhanced stack integrity
    • 双镶嵌工艺流程可实现极少的ULK膜修饰和增强的堆叠完整性
    • US20070161226A1
    • 2007-07-12
    • US11328981
    • 2006-01-10
    • Timothy DaltonNicholas FullerSatyanarayana Nitta
    • Timothy DaltonNicholas FullerSatyanarayana Nitta
    • H01L21/4763
    • H01L21/76801H01L21/76808H01L21/76829
    • Interconnect structures possessing an organosilicate glass interlayer dielectric material with minimal stoichiometeric modification and optionally an intact organic adhesion promoter for use in semiconductor devices are provided herein. The interconnect structure is capable of delivering improved device performance, functionality and reliability owing to the reduced effective dielectric constant of the stack compared with that of those conventionally employed because of the use of a sacrificial polymeric material deposited onto the dielectric and optional organic adhesion promoter during the barrier open step done prior to ashing the patterning material. This sacrificial film protects the dielectric and optional organic adhesion promoter from modification/consumption during the subsequent ashing step during which the polymeric film is removed.
    • 本文提供了具有最小化学计量变化的有机硅酸盐玻璃层间介电材料和任选的用于半导体器件的完整有机粘合促进剂的互连结构。 互连结构能够提供改进的器件性能,功能性和可靠性,因为与常规使用的那些相比,堆叠的有效介电常数降低,因为使用沉积在电介质上的牺牲聚合物材料和任选的有机粘合促进剂 在灰化图案材料之前完成的阻挡层开口步骤。 该牺牲膜在后续的灰化步骤期间保护电介质和任选的有机粘合促进剂免于修饰/消耗,在此期间除去聚合物膜。