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    • 72. 发明授权
    • Detection of diamond contamination in polishing pad
    • 检测抛光垫中的金刚石污染
    • US07354333B2
    • 2008-04-08
    • US10905816
    • 2005-01-21
    • Laertis EconomikosJohn A. Fitzsimmons
    • Laertis EconomikosJohn A. Fitzsimmons
    • B24B49/00B24B51/00
    • B24B53/017
    • Methods for reconditioning a polishing pad and detecting diamond contamination of the polishing pad, are disclosed. In particular, the methods include the step of exposing the reconditioned polishing pad to an energy source to induce the diamond contamination to fluoresce. Detection of the diamond contamination is then made by detecting the fluorescence. Removal of the diamond contamination results in an improved reconditioned polishing pad. A reconditioning system for reconditioning a damaged polishing pad is also disclosed. The reconditioning system includes a reconditioning disk including a plurality of diamonds for reconditioning the polishing pad, wherein each diamond fluoresces when exposed to an energy source.
    • 公开了用于修复抛光垫并检测抛光垫的金刚石污染的方法。 特别地,所述方法包括将修复后的抛光垫暴露于能量源以引起金刚石污染物发荧光的步骤。 然后通过检测荧光来检测金刚石污染物。 去除金刚石污染导致改进的修复抛光垫。 还公开了一种用于修复损坏的抛光垫的修复系统。 修复系统包括修复盘,其包括用于修复抛光垫的多个金刚石,其中当暴露于能量源时,每个金刚石发荧光。
    • 76. 发明申请
    • Method of forming a trench structure
    • 形成沟槽结构的方法
    • US20050170661A1
    • 2005-08-04
    • US10708035
    • 2004-02-04
    • Laertis EconomikosKlaus Hummler
    • Laertis EconomikosKlaus Hummler
    • H01L21/31H01L21/762H01L21/768
    • H01L21/76229H01L21/7684
    • A method of fabricating a filled trench structure, the method including: (a) forming a first set of trenches in a first region of a substrate and forming a second set of trenches in a second region of the substrate, trenches in the first set of trenches having a higher aspect ratio than the trenches in the second region; (b) depositing a fill material in the first and second set of trenches and on a top surface of the substrate, the fill material completely filling the trenches; (c) removing an upper portion of the fill material; and (d) removing, using a planarization process, all fill material from the top surface of the substrate, a top surface of the fill material in the first and second sets of trenches co-planer with the top surface of the substrate.
    • 一种制造填充沟槽结构的方法,所述方法包括:(a)在衬底的第一区域中形成第一组沟槽并在衬底的第二区域中形成第二组沟槽,所述第一组沟槽 沟槽具有比第二区域中的沟槽更高的纵横比; (b)将填充材料沉积在所述第一组沟槽和所述第二组沟槽中并在所述衬底的顶表面上,所述填充材料完全填充所述沟槽; (c)去除填充材料的上部; 以及(d)使用平坦化工艺从所述衬底的顶表面去除所述填充材料的所述第一和第二组沟槽中的填充材料的顶表面与所述衬底的顶表面共同平铺。
    • 77. 发明授权
    • Method to increase removal rate of oxide using fixed-abrasive
    • 使用固定研磨剂提高氧化物去除率的方法
    • US06485355B1
    • 2002-11-26
    • US09887790
    • 2001-06-22
    • Laertis EconomikosAlexander Simpson
    • Laertis EconomikosAlexander Simpson
    • B24B100
    • H01L21/31053B24B37/042
    • The invention provides fixed-abrasive chemical-mechanical polishing processes which are effective in rapidly reducing thickness of oxide layers, especially siliceous oxides. The processes of the invention are preferably characterized by at least one step involving simultaneous use of a fixed-abrasive polishing element and an aqueous liquid medium containing an abrasive. Where the original oxide layer has topographic variation, the thickness reduction technique of the invention may be preceeded by topography reduction step using a fixed-abrasive and an aqueous medium containing a polyelectrolyte for at least a portion of the polishing process involving reduction in the amount of topographic variation (height differential) across the oxide layer on the substrate.
    • 本发明提供固定研磨化学机械抛光方法,其有效地快速减少氧化物层的厚度,特别是二氧化硅。 本发明的方法优选的特征在于包括同时使用固定研磨抛光元件和含有磨料的含水液体介质的至少一个步骤。 在原始氧化物层具有地形变化的情况下,本发明的厚度减小技术可以在使用固定研磨剂和含有聚电解质的含水介质的地面还原步骤之前进行至少一部分抛光过程,所述抛光过程涉及减少 跨衬底上的氧化物层的地形变化(高差)。
    • 79. 发明授权
    • Semiconductor structure and manufacturing method
    • 半导体结构及制造方法
    • US06365328B1
    • 2002-04-02
    • US09522883
    • 2000-03-10
    • Hua ShenDavid KoteckiSatish AthavaleJenny LianLaertis EconomikosFen F. JaminGerhard KunkelNirmal Chaudhary
    • Hua ShenDavid KoteckiSatish AthavaleJenny LianLaertis EconomikosFen F. JaminGerhard KunkelNirmal Chaudhary
    • G03F700
    • H01L21/7687H01L21/76885H01L27/10852H01L28/55H01L28/60H01L28/75
    • A method for forming an electrode. The method includes forming a conductive plug through a first dielectric layer. The plug extends from an upper surface of the first dielectric layer to a contact region in a semiconductor substrate. The electrode is formed photolithographically, misalignment of a mask registration in the photolithography resulting in exposing surface portions of the barrier contact. A second dielectric layer is deposited over the first dielectric layer, over side portions and top portions of the formed electrode, and over the exposed portions of barrier contact. A sacrificial material is provided on portions of the second dielectric layer disposed on lower sides of the, electrode, on portions of the second dielectric layer disposed on the first dielectric layer, and on said exposed portions of the barrier contact while exposing portions of the second dielectric layer on the top portions and upper side portions of the formed electrode. The exposed portions of the second dielectric layer are removed while leaving the portions of the second dielectric layer on the exposed portions of the barrier contact. A material is deposited over exposed portions of the first electrode and over remaining portions of the second dielectric layer in an oxidizing environment. A second electrode is formed for the storage element over the material. In forming a capacitor storage element, the portion of the second dielectric layer on the barrier contact prevents oxidation of the barrier contact during the material formation process.
    • 一种形成电极的方法。 该方法包括通过第一电介质层形成导电插塞。 插头从第一电介质层的上表面延伸到半导体衬底中的接触区域。 光刻地形成电极,光刻中的掩模配准不对准,导致暴露屏障接触的表面部分。 第二电介质层沉积在第一电介质层上,在形成的电极的侧面部分和顶部上方以及屏蔽接触的暴露部分之上。 在设置在第一电介质层上的第二电介质层的部分上的第二电介质层的设置在电极的下侧的部分上以及在屏障接触的所述暴露部分上暴露第二电介质层的部分的牺牲材料 在形成的电极的顶部和上侧部分上的介电层。 第二介电层的暴露部分被去除,同时将第二介电层的部分留在屏障接触的暴露部分上。 材料在氧化环境中沉积在第一电极的暴露部分和第二电介质层的剩余部分上。 在材料上形成用于存储元件的第二电极。 在形成电容器存储元件时,屏障接触部分的第二电介质层在材料形成过程中防止了屏障接触的氧化。
    • 80. 发明授权
    • High aspect ratio deep trench capacitor having void-free fill
    • 高纵横比深沟槽电容器具有无空隙填充
    • US06359300B1
    • 2002-03-19
    • US09712708
    • 2000-11-14
    • Laertis EconomikosByeongju Park
    • Laertis EconomikosByeongju Park
    • H01L27108
    • H01L27/10861H01L27/1087H01L29/66181
    • A trench capacitor comprising a substrate, a trench formed in the substrate, and conductive doped germanium or silicon-germanium alloy fill material completely filling the trench. The process for creating the capacitor comprises depositing the conductive doped germanium or silicon-germanium alloy in the trench and in a fill layer over the substrate and annealing the wafer at a temperature at which the fill layer melts and completely flows into the trench but the wafer does not melt. The process further includes depositing a silicon cap layer on top of the fill layer to prevent oxidation of the fill layer. The trench may further include one or more of a buffer layer, a metal layer, and a thermal-stress-reduction layer between the trench walls and the fill material.
    • 包括衬底,形成在衬底中的沟槽和完全填充沟槽的导电掺杂锗或硅 - 锗合金填充材料的沟槽电容器。 用于制造电容器的工艺包括将导电掺杂的锗或硅 - 锗合金沉积在衬底上的沟槽和填充层中,并在填充层熔融并完全流入沟槽但晶片的温度下退火晶片 不融化 该方法还包括在填充层的顶部上沉积硅帽层以防止填充层氧化。 沟槽还可包括缓冲层,金属层和沟槽壁与填充材料之间的热应力减小层中的一个或多个。