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    • 22. 发明授权
    • Non-destructive in-situ elemental profiling
    • 非破坏性原位元素分析
    • US07256399B2
    • 2007-08-14
    • US10907591
    • 2005-04-07
    • Siddhartha PandaMichael R. SieversRichard S. Wise
    • Siddhartha PandaMichael R. SieversRichard S. Wise
    • G01N23/227
    • G01N23/2273
    • A non-destructive in-situ elemental profiling of a layer in a set of layers method and system are disclosed. In one embodiment, a first emission of a plurality of photoelectrons is caused from the layer to be elementally profiled. An elemental profile of the layer is determined based on the emission. In another embodiment, a second emission of a plurality of photoelectrons is also received from the layer, and an elemental profile is determined by comparison of the resulting signals. A process that is altering the layer can then be controlled “on-the-fly” to obtain a desired material composition. Since the method can be employed in-situ and is non-destructive, it reduces turn around time and lowers wafer consumption. The invention also records the composition of all processed wafers, hence, removing the conventional statistical sampling problem.
    • 公开了一组层中的层的非破坏性原位元素分析方法和系统。 在一个实施例中,多个光电子的第一次发射是从该层进行元素分析。 基于发射确定层的元素分布。 在另一个实施例中,也从该层接收多个光电子的第二次发射,并且通过比较所得到的信号来确定元素分布。 然后可以“即时”控制改变层的方法以获得所需的材料组成。 由于该方法可以原位使用并且是非破坏性的,所以可以减少周转时间并降低晶片消耗。 本发明还记录了所有加工晶片的组成,因此,去除了常规统计抽样问题。
    • 24. 发明授权
    • Integrated circuit contact structure and method
    • 集成电路接触结构及方法
    • US08580628B2
    • 2013-11-12
    • US13365030
    • 2012-02-02
    • André P. LabontéRichard S. WiseYing LiBrett H. Engel
    • André P. LabontéRichard S. WiseYing LiBrett H. Engel
    • H01L21/336
    • H01L21/76897H01L21/76834H01L21/823828H01L21/823871H01L29/66545
    • An integrated circuit having a mis-alignment tolerant electrical contact is formed by providing a semiconductor containing substrate over which is a first FET gate laterally bounded by a first dielectric region, replacing an upper portion of the first FET gate with a second dielectric region, applying a mask having an opening extending partly over an adjacent source or drain contact region of the substrate and over a part of the second dielectric region above the first FET gate, forming an opening through the first dielectric region extending to the contact region and the part of the second dielectric region, and filling the opening with a conductor making electrical connection with the contact region but electrically insulated from the first FET gate by the second dielectric region. A further FET gate may also be provided having an electrical contact thereto formed separately from the source-drain contact.
    • 具有不对准容限的电接触的集成电路是通过提供半导体衬底形成的,其上是由第一介电区横向界定的第一FET栅极,用第二电介质区域代替第一FET栅极的上部,施加 掩模,其具有部分地在所述衬底的相邻源极或漏极接触区域上方延伸的开口以及在所述第一FET栅极上方的所述第二电介质区域的一部分上方,形成穿过延伸到所述接触区域的所述第一电介质区域的开口, 第二电介质区域,并且用与该接触区域电连接但与第一FET栅极与第二电介质区域电绝缘的导体填充该开口。 还可以提供另外的FET栅极,其具有与源极 - 漏极触点分开形成的电接触。
    • 25. 发明授权
    • Dual metal and dual dielectric integration for metal high-K FETs
    • 金属高K FET双金属和双电介质集成
    • US08436427B2
    • 2013-05-07
    • US13080962
    • 2011-04-06
    • Michael P. ChudzikWiliam K. HensonRashmi JhaYue LiangRavikumar RamachandranRichard S. Wise
    • Michael P. ChudzikWiliam K. HensonRashmi JhaYue LiangRavikumar RamachandranRichard S. Wise
    • H01L27/092
    • H01L29/517H01L21/28185H01L21/823842H01L21/823857H01L29/49H01L29/7833
    • The present invention, in one embodiment, provides a method of forming a semiconductor device that includes providing a substrate including a first conductivity type region and a second conductivity type region; forming a gate stack including a gate dielectric atop the first conductivity type region and the second conductivity type region of the substrate and a first metal gate conductor overlying the high-k gate dielectric; removing a portion of the first metal gate conductor that is present in the first conductivity type region to expose the gate dielectric present in the first conductivity type region; applying a nitrogen based plasma to the substrate, wherein the nitrogen based plasma nitrides the gate dielectric that is present in the first conductivity type region and nitrides the first metal gate conductor that is present in the second conductivity type region; and forming a second metal gate conductor overlying at least the gate dielectric that is present in the first conductivity type region.
    • 在一个实施例中,本发明提供一种形成半导体器件的方法,该半导体器件包括提供包括第一导电类型区域和第二导电类型区域的衬底; 在所述基板的第一导电类型区域和所述第二导电类型区域之上形成包括栅极电介质的栅极堆叠和覆盖所述高k栅极电介质的第一金属栅极导体; 去除存在于第一导电类型区域中的第一金属栅极导体的一部分以暴露存在于第一导电类型区域中的栅极电介质; 将氮基等离子体施加到所述基板,其中所述氮基等离子体氮化存在于所述第一导电类型区域中的所述栅极电介质,并且氮化所述第二导电类型区域中存在的所述第一金属栅极导体; 以及形成覆盖存在于第一导电类型区域中的至少栅极电介质的第二金属栅极导体。
    • 27. 发明授权
    • Method of patterning multilayer metal gate structures for CMOS devices
    • CMOS器件的多层金属栅极结构图形化方法
    • US07820555B2
    • 2010-10-26
    • US11870577
    • 2007-10-11
    • Bruce B. DorisRichard S. WiseHongwen YanYing Zhang
    • Bruce B. DorisRichard S. WiseHongwen YanYing Zhang
    • H01L21/302H01L21/461
    • H01L21/28088H01L21/32136H01L21/823828H01L29/4966H01L29/51
    • A method of forming patterning multilayer metal gate structures for complementary metal oxide semiconductor (CMOS) devices includes performing a first etch process to remove exposed portions of a polysilicon layer included within a gate stack, the polysilicon layer formed on a metal layer also included within the gate stack; oxidizing an exposed top portion of the metal layer following the first etch process so as to create an metal oxide layer having an etch selectivity with respect to the polysilicon layer; removing the metal oxide layer through a combination of a physical ion bombardment thereof, and the introduction of an isotropic chemical component thereto so as to prevent oxide material at bottom corners of the polysilicon layer; and performing a second etch process to remove exposed portions of the metal layer.
    • 形成用于互补金属氧化物半导体(CMOS)器件的图案化多层金属栅极结构的方法包括执行第一蚀刻工艺以去除包括在栅极堆叠内的多晶硅层的暴露部分,形成在也包括在栅极堆叠内的金属层上的多晶硅层 门堆 在第一蚀刻工艺之后氧化暴露的金属层的顶部部分,以便产生相对于多晶硅层具有蚀刻选择性的金属氧化物层; 通过物理离子轰击的组合除去金属氧化物层,并向其中引入各向同性化学成分,以防止多晶硅层底角的氧化物质; 以及执行第二蚀刻工艺以去除所述金属层的暴露部分。
    • 29. 发明授权
    • Process for finFET spacer formation
    • finFET间隔物形成工艺
    • US07476578B1
    • 2009-01-13
    • US11776710
    • 2007-07-12
    • Kangguo ChengXi LiRichard S. Wise
    • Kangguo ChengXi LiRichard S. Wise
    • H01L21/00
    • H01L29/66795H01L29/785
    • A process for finFET spacer formation generally includes depositing, in order, a conformal liner material, a conformal spacer material, and a conformal capping material onto the finFET structure; tilt implanting dopant ions into portions of the capping layer about the gate structure; selectively removing undoped capping material about the source and drain regions; selectively removing exposed portions of the spacer material; selectively removing exposed portions of the capping material; anisotropically removing a portion of the spacer material so as to expose a top surface of the gate material and isolate the spacer material to sidewalls of the gate structure; and removing the oxide liner from the fin to form the spacer on the finFET structure.
    • 用于finFET间隔物形成的方法通常包括依次将共形衬垫材料,共形隔离材料和保形封盖材料沉积到finFET结构上; 倾斜地将掺杂剂离子注入围绕栅极结构的覆盖层的部分; 围绕源极和漏极区域选择性地去除未掺杂的封盖材料; 选择性地去除间隔物材料的暴露部分; 选择性地去除封盖材料的暴露部分; 各向异性地去除间隔物材料的一部分,以露出栅极材料的顶表面并将间隔物材料隔离到栅极结构的侧壁; 以及从翅片上去除氧化物衬垫以在finFET结构上形成间隔物。
    • 30. 发明申请
    • METHOD FOR PRECISE TEMPERATURE CYCLING IN CHEMICAL / BIOCHEMICAL PROCESSES
    • 化学/生化过程中精确循环的方法
    • US20080118955A1
    • 2008-05-22
    • US11858280
    • 2007-09-20
    • Siddhartha PandaRichard S. Wise
    • Siddhartha PandaRichard S. Wise
    • C12P19/34B01J19/12
    • C12Q1/686B01L7/52B01L7/5255B01L2300/1872C12Q2523/313
    • A method for implementing a temperature cycling operation for a biochemical sample to be reacted includes applying an infrared (IR) heating source to the biochemical sample to be reacted at a first infrared wavelength selected so as to generate a first desired temperature for a first duration and produce a first desired reaction within the biochemical sample; following the first desired reaction, applying the infrared (IR) heating source to the biochemical sample at a second infrared wavelength selected so as to generate a second desired temperature for a second duration and produce a second desired reaction within the biochemical sample; and wherein the first and second wavelengths generated by the IR source are selected to be coincident with corresponding absorptive wavelengths of the biochemical sample so as to heat the biochemical sample without directly heating a fluid medium containing the biochemical sample.
    • 用于实施待反应的生物化学样品的温度循环操作的方法包括将红外(IR)加热源施加到生物化学样品以在被选择的第一红外波长处反应,以便产生第一期望的第一期望温度,以及 在生物化学样品中产生第一个所需的反应; 在第一期望的反应之后,以选择的第二红外波长将红外(IR)加热源施加到生物化学样品,以产生第二期望的第二期望温度,并在生化试样中产生第二所需反应; 并且其中由IR源产生的第一和第二波长被选择为与生物化学样品的相应吸收波长一致,以便加热生化样品而不直接加热含有生物化学样品的流体介质。