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    • 43. 发明授权
    • Tungsten growth modulation by controlling surface composition
    • 通过控制表面组成的钨生长调节
    • US09169556B2
    • 2015-10-27
    • US13968057
    • 2013-08-15
    • Applied Materials, Inc.
    • Kai WuKiejin ParkSang Ho YuSang-Hyeob LeeKazuya DaitoJoshua CollinsBenjamin C. Wang
    • C23C16/08C23C16/14C23C16/50C23C16/452
    • C23C16/452C23C16/08C23C16/50
    • A method for selectively controlling deposition rate of a catalytic material during a catalytic bulk CVD deposition is disclosed herein. The method can include positioning a substrate in a processing chamber including both surface regions and gap regions, depositing a first nucleation layer comprising tungsten conformally over an exposed surface of the substrate, treating at least a portion of the first nucleation layer with activated nitrogen, wherein the activated nitrogen is deposited preferentially on the surface regions, reacting a first deposition gas comprising tungsten halide and hydrogen-containing gas to deposit a tungsten fill layer preferentially in gap regions of the substrate, reacting a nucleation gas comprising a tungsten halide to form a second nucleation layer, and reacting a second deposition gas comprising tungsten halide and a hydrogen-containing gas to deposit a tungsten field layer.
    • 本文公开了一种用于在催化体积CVD沉积期间选择性地控制催化材料的沉积速率的方法。 该方法可以包括将衬底定位在包括表面区域和间隙区域的处理室中,将包含钨的第一成核层保形地沉积在衬底的暴露表面上,用活性氮处理至少一部分第一成核层,其中 将活化的氮优选沉积在表面区域上,使包含卤化钨和含氢气体的第一沉积气体优先沉积钨填充层以在衬底的间隙区域中反应,使包含卤化钨的成核气体反应形成第二 使包含卤化钨和含氢气体的第二沉积气体反应以沉积钨场层。
    • 45. 发明申请
    • Coating with controlled grain size and morphology for enhanced wear resistance and toughness
    • 具有受控晶粒尺寸和形态的涂层,以提高耐磨性和韧性
    • US20070190250A1
    • 2007-08-16
    • US11783816
    • 2007-04-12
    • Sakari Ruppi
    • Sakari Ruppi
    • C23C16/14
    • C23C30/005C23C16/36Y10T428/24355Y10T428/252Y10T428/256Y10T428/264Y10T428/265
    • Wear resistance of the prior-art Ti(C,N) layers can be considerably enhanced by optimising the grain size and microstructure. This invention describes a method to obtain controlled, fine, equiaxed grain morphology in Ti(C,N) layers produced using moderate temperature CVD (MTCVD). The control of the grain size and shape can be obtained by doping using CO, CO2, ZrCl4 and AlCl3 or combinations of these. Doping has to be controlled carefully in order to avoid nanograined structures and oxidisation. This kind of coatings shows new enhanced wear properties. The fine grain size together with equiaxed grain morphology enhances the toughness of the coating with at least maintained wear resistance, which can be seen especially in sticky steels like stainless steels. The optimum grain size is from 50 to about 300 nm, preferably from about 50 to about 150. The coatings according to this invention are characterised by the lack of any strong preferred growth orientation, the length-to-width ratio (L/W) around 1 and only with a slight to moderate XRD line broadening.
    • 通过优化晶粒尺寸和微观结构,可以显着提高现有技术Ti(C,N)层的耐磨性。 本发明描述了一种在使用中等温度CVD(MTCVD)制备的Ti(C,N)层中获得受控的,精细的等轴晶粒形态的方法。 可以通过使用CO,CO 2,ZrCl 4和AlCl 3 3或这些的组合掺杂来获得晶粒尺寸和形状的控制。 必须仔细控制兴奋剂,以避免纳米晶粒结构和氧化。 这种涂料显示出新的增强的耐磨性能。 细晶粒度与等轴晶粒形态一起提高了至少保持耐磨性的涂层韧性,特别是在不锈钢等粘钢中可以看出。 最佳粒度为50至约300nm,优选约50至约150.根据本发明的涂层的特征在于缺乏任何强的优选生长方向,长宽比(L / W) 约1只,只有轻微至中等的XRD线扩大。