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    • 22. 发明申请
    • Mask blank and method of fabricating phase shift mask from the same
    • 掩模毛坯和从其制造相移掩模的方法
    • US20030194620A1
    • 2003-10-16
    • US10422956
    • 2003-04-25
    • Yong-Hoon Kim
    • G03F001/08B32B015/00B32B017/06
    • G03F1/30G03F7/09
    • A mask blank and a method of fabricating a phase shift mask from the same. The mask blank includes a transparent substrate, a light shield layer formed on the entire upper surface of the transparent substrate, and a multifunctional protective layer formed on the entire surface of the light shield layer. To make the phase shift mask from the blank, the protective layer is patterned, and the exposed portions of the light shield layer are etched using the protective layer pattern as an etch mask to in turn expose first and second regions of the substrate. The phase shift region is formed by etching a groove in the second region of the substrate while the protective layer pattern protects the light shield layer from the etchant. Therefore, undesirable residue is prevented from forming as a result of a reaction between the etchant and the light shield layer and hence, from accumulating at the bottom of a groove constituting the phase shift region. The method also entails forming a photosensitive layer over the protective layer, patterning the photosensitive layer, and patterning the protective layer by using the photosensitive layer pattern as a mask. In this case, the patterned photosensitive layer is removed, and then the resultant structure is cleaned so that no residue remains on the exposed portions of the light shield layer.
    • 掩模坯料和从其制造相移掩模的方法。 掩模坯料包括透明基板,形成在透明基板的整个上表面上的遮光层和形成在遮光层的整个表面上的多功能保护层。 为了从空白形成相移掩模,图案化保护层,并且使用保护层图案作为蚀刻掩模来蚀刻遮光层的暴露部分,从而暴露衬底的第一和第二区域。 通过在衬底的第二区域中蚀刻凹槽来形成相移区域,同时保护层图案保护遮光层免受蚀刻剂的影响。 因此,由于蚀刻剂和遮光层之间的反应而不能形成不期望的残留物,因此不会积累在构成相移区域的槽的底部。 该方法还需要在保护层上形成感光层,图案化感光层,并通过使用感光层图案作为掩模来图案化保护层。 在这种情况下,去除图案化感光层,然后清洁所得结构,使得在遮光层的露出部分上不残留残留物。
    • 25. 发明申请
    • Hybrid metal matrix composites
    • 混合金属基复合材料
    • US20030175543A1
    • 2003-09-18
    • US10375257
    • 2003-02-28
    • Jason Sin Hin Lo
    • B32B015/00
    • C22C32/00B22F2998/00B22F2998/10C22C47/06C22C49/06Y10T428/12486Y10T428/249927C22C49/04C22C47/12
    • A hybrid composite reinforced metal matrix in which the metal is aluminum, aluminum alloy, or a magnesium alloy containing a relatively high percentage of aluminum. In addition to the reinforcement, which is typically alumina, the metal matrix also includes a hardening agent which is at least one intermetallic compound of aluminum with at least one second metal chosen from iron, nickel, titanium, zirconium, cobalt and niobium. The intermetallic compound(s) can be added as a powder to the metal matrix during formation of the composite, or can be created in the composite by adding the at least one second metal as a powder to the molten metal matrix during composite preparation. When the intermetallic compound(s) are created in the composite, during the addition step the second metal powder should be protected from oxidation. If the intermetallic compound is created in the composite, the composite when made initially can be readily machined and is self hardening through repeated heating cycles. The composite finds use in brake parts, such as brake rotors and brake drums as a replacement for the commonly used grey cast iron and exhibits adequate strength and compression properties up to a working temperature of at least about 450null C.
    • 一种混合复合增强金属基体,其中金属是铝,铝合金或含有相对高百分比的铝的镁合金。 除了通常是氧化铝的增强材料之外,金属基体还包括硬化剂,其是至少一种铝的金属间化合物和至少一种选自铁,镍,钛,锆,钴和铌的第二金属。 金属间化合物可以在形成复合材料期间作为粉末加入到金属基质中,或者可以通过在复合制备过程中将至少一种第二金属作为粉末添加到熔融金属基质中而在复合材料中形成。 当在复合材料中产生金属间化合物时,在添加步骤期间,应该保护第二金属粉末免于氧化。 如果在复合材料中产生金属间化合物,则最初制成的复合材料可以容易地加工,并且通过反复加热循环自身硬化。 该复合材料可用于制动器部件,例如制动转子和制动鼓,作为常用灰铸铁的替代品,并具有足够的强度和压缩性能,直至至少约450℃的工作温度。
    • 27. 发明申请
    • Exterior component for portable timepiece and portable timepiece
    • 便携式钟表和便携式钟表的外部组件
    • US20030170487A1
    • 2003-09-11
    • US10385184
    • 2003-03-10
    • Shigeru Miyama
    • B32B015/00
    • B32B15/012B32B15/017C23C8/02C23C26/00G04B37/22Y10T428/12743Y10T428/12806Y10T428/12979
    • An exterior component for a portable timepiece having decorativeness and corrosion resistance and the portable timepiece are to be provided. In a double-layer clad material, the inside of a timepiece case is made of a titanium material and the outside is made of a pure aluminum material. In the pure aluminum material, alumite treatment is carried out from a surface to a given depth. A step portion is provided in the upper portion of the timepiece case, a glass fixing packing is fitted in the step portion, and glass is press-fitted here. A backside cover is fixed to an upper face of a movement. The movement with the backside cover is arranged so that a step portion for a face provided in the timepiece case is in contact with a part of the face. The backside cover is screwed into the timepiece case until the backside cover is in contact with a contact face of backside cover of the timepiece case, to be fixed to the timepiece case. A crown is partially inserted in a through hole provided in the timepiece case, and the backside cover is engaged with the movement arranged in the timepiece case.
    • 提供具有装饰性和耐腐蚀性的便携式钟表的外部部件和便携式钟表。 在双层包覆材料中,钟表壳体的内部由钛材料制成,外部由纯铝材料制成。 在纯铝材料中,从表面到给定深度进行耐氧化铝处理。 在钟表壳体的上部设有台阶部,玻璃固定用垫片装配在台阶部,玻璃被压配于此。 后盖被固定在运动的上表面。 具有后盖的运动被布置成使得设置在钟表壳体中的面的台阶部分与面部的一部分接触。 后盖被拧入钟表外壳中,直到后盖与手表外壳的后盖的接触面接触,固定在钟表外壳上。 冠部部分地插入设置在钟表壳体中的通孔中,并且后盖与配置在钟表壳体中的移动体接合。
    • 29. 发明申请
    • Method of forming a reactive material and article formed thereby
    • 形成反应性材料的方法和由此形成的制品
    • US20030138656A1
    • 2003-07-24
    • US10338351
    • 2003-01-07
    • Douglas Ray Sparks
    • B32B015/00
    • B81C1/00285B32B9/00Y10T428/12493Y10T428/12806Y10T428/12847Y10T428/12889Y10T428/12993
    • A method for preventing contamination, oxidation and gas absorption of reactive materials, and articles formed thereby. The method generally entails depositing a first layer of a reactive material and a second layer of a substantially nonreactive material so that the second layer protects the first layer from a surrounding atmosphere. For example, the first and second layers may be deposited to form a film on a surface within a chamber that is desired to be maintained in a vacuum during use of the article. The second layer is sufficiently thin such that appropriately heating the first and second layers causes the reactive material of the first layer to become interdiffused with the nonreactive material of the second layer, to the extent that at least a portion of the reactive material is able to react and getter gases from the surrounding atmosphere.
    • 一种防止反应性物质的污染,氧化和气体吸收的方法以及由此形成的制品。 该方法通常需要沉积反应性材料的第一层和基本上非反应性材料的第二层,使得第二层保护第一层免受周围环境的影响。 例如,可以将第一层和第二层沉积成在室内的表面上形成薄膜,期望在制品的使用期间保持在真空中。 第二层足够薄,使得适当加热第一层和第二层导致第一层的反应性材料与第二层的非反应性材料相互扩散,至少一部分反应性材料能够 反应和吸收来自周围大气的气体。