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    • 113. 发明授权
    • High resolution printing technique
    • 高分辨率打印技术
    • US07598021B2
    • 2009-10-06
    • US11252465
    • 2005-10-17
    • Gurtej S. Sandhu
    • Gurtej S. Sandhu
    • G03F7/20
    • H01L21/3088B82Y10/00G03F7/70383G11B9/1436G11B9/149G11B2005/0021H01L21/0337H01L21/3086
    • A pattern having exceptionally small features is printed on a partially fabricated integrated circuit during integrated circuit fabrication. The pattern is printed using an array of probes, each probe having: 1) a photocatalytic nanodot at its tip; and 2) an individually controlled light source. The surface of the partially fabricated integrated circuit comprises a photochemically active species. The active species undergoes a chemical change when contacted by the nanodot, when the nanodot is illuminated by light. To print a pattern, each probe raster-scans its associated nanodot across the surface of the partially fabricated integrated circuit. When the nanodot reaches a desired location, the nanodot is illuminated by the light source, catalyzing a change in the reactive species and, thus, printing at that location. Subsequently, reacted or unreacted species are selectively removed, thereby forming a mask pattern over the partially fabricated integrated circuit. The minimum size of the features in the pattern is determined by the size of the nanodot and can be very small, e.g., having critical dimensions of about 20 nm or less.
    • 在集成电路制造期间,在部分制造的集成电路上印刷具有特殊小特征的图案。 使用探针阵列打印图案,每个探针具有:1)在其尖端处的光催化纳米点; 和2)单独控制的光源。 部分制造的集成电路的表面包括光化学活性物质。 当纳米点被光照射时,活性物质与纳米点接触时发生化学变化。 为了打印图案,每个探针光栅扫描其部分制造的集成电路的表面上的相关联的纳米点。 当纳米点达到所需位置时,纳米点由光源照射,催化反应物种的变化,从而在该位置进行印刷。 随后,选择性地除去反应或未反应的物质,从​​而在部分制造的集成电路上形成掩模图案。 图案中的特征的最小尺寸由纳米点的尺寸确定,并且可以非常小,例如具有约20nm或更小的临界尺寸。
    • 116. 发明授权
    • Thin film transistors and semiconductor constructions
    • 薄膜晶体管和半导体结构
    • US07566907B2
    • 2009-07-28
    • US12135761
    • 2008-06-09
    • Gurtej S. SandhuShubneesh BatraPierre C. Fazan
    • Gurtej S. SandhuShubneesh BatraPierre C. Fazan
    • H01L21/00
    • H01L29/78678H01L27/1214H01L27/127H01L29/04H01L29/6675H01L29/66757H01L29/66765H01L29/78672H01L29/78675
    • A method of forming a thin film transistor relative to a substrate includes, a) providing a thin film transistor layer of polycrystalline material on a substrate, the polycrystalline material comprising grain boundaries; b) providing a fluorine containing layer adjacent the polycrystalline thin film layer; c) annealing the fluorine containing layer at a temperature and for a time period which in combination are effective to drive fluorine from the fluorine containing layer into the polycrystalline thin film layer and incorporate fluorine within the grain boundaries to passivate said grain boundaries; and d) providing a transistor gate operatively adjacent the thin film transistor layer. The thin film transistor can be fabricated to be bottom gated or top gated. A buffering layer can be provided intermediate the thin film transistor layer and the fluorine containing layer, with the buffering layer being transmissive of fluorine from the fluorine containing layer during the annealing. Preferably, the annealing temperature is both sufficiently high to drive fluorine from the fluorine containing layer into the polycrystalline thin film layer and incorporate fluorine within the grain boundaries to passivate said grain boundaries, but sufficiently low to prevent chemical reaction of the fluorine containing layer with the polycrystalline thin film layer.
    • 相对于衬底形成薄膜晶体管的方法包括:a)在衬底上提供多晶材料的薄膜晶体管层,所述多晶材料包括晶界; b)在多晶薄膜层附近提供含氟层; c)在一段温度和一段时间内退火含氟层,所述时间段有效地将氟从含氟层驱动到多晶薄膜层中,并且在晶界内引入氟以钝化所述晶界; 以及d)提供与所述薄膜晶体管层可操作地相邻的晶体管栅极。 薄膜晶体管可以被制造为底部门控或顶部门控。 可以在薄膜晶体管层和含氟层之间设置缓冲层,缓冲层在退火期间从含氟层透过氟。 优选地,退火温度足够高以将氟从含氟层驱动到多晶薄膜层中并且在晶界内引入氟以使所述晶界钝化,但是足够低以防止含氟层与 多晶薄膜层。
    • 118. 发明授权
    • Methods of forming hafnium-containing materials
    • 形成含铪材料的方法
    • US07550345B2
    • 2009-06-23
    • US11485593
    • 2006-07-11
    • Cem BasceriF. Daniel GealyGurtej S. Sandhu
    • Cem BasceriF. Daniel GealyGurtej S. Sandhu
    • H01L21/20
    • H01G4/33H01G4/1209H01G4/1272H01L21/31645H01L27/10852H01L28/60H01L28/65H01L28/90H01L28/91H01L29/7833
    • The invention includes methods of forming hafnium-containing materials, such as, for example, hafnium oxide. In one aspect, a semiconductor substrate is provided, and first reaction conditions are utilized to form hafnium-containing seed material in a desired crystalline phase and orientation over the substrate. Subsequently, second reaction conditions are utilized to grow second hafnium-containing material over the seed material. The second hafnium-containing material is in a crystalline phase and/or orientation different from the crystalline phase and orientation of the hafnium-containing seed material. The second hafnium-containing material can be, for example, in an amorphous phase. The seed material is then utilized to induce a desired crystalline phase and orientation in the second hafnium-containing material. The invention also includes capacitor constructions utilizing hafnium-containing materials, and circuit assemblies comprising the capacitor constructions.
    • 本发明包括形成含铪材料的方法,例如氧化铪。 在一个方面,提供了半导体衬底,并且利用第一反应条件来形成在衬底上所需的结晶相和取向的含铪种子材料。 随后,利用第二反应条件在种子材料上生长第二含铪材料。 第二含铪材料处于与含铪种子材料的结晶相和取向不同的结晶相和/或取向。 第二含铪材料可以是例如非晶相。 然后将种子材料用于在第二含铪材料中诱导所需的结晶相和取向。 本发明还包括使用含铪材料的电容器结构和包括电容器结构的电路组件。