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    • 82. 发明授权
    • Aqueous matte coating composition
    • 水性无光泽涂料组合物
    • US06455629B1
    • 2002-09-24
    • US09305740
    • 1999-05-06
    • Tetsuya YokoyamaMasahiro KondoHiromi HarakawaKenji Aoki
    • Tetsuya YokoyamaMasahiro KondoHiromi HarakawaKenji Aoki
    • C08L6100
    • C08K5/5415C08K3/34C09D143/04
    • An aqueous matte coating composition containing an aqueous dispersion (I) prepared by dispersing into water (B) a water-dispersible vinyl copolymer prepared by subjecting a monomer mixture of radically polymerizable unsaturated monomers including an unsaturated monomer having a polymerizable unsaturated double bond and an alkoxysilyl group in one molecule to radical polymerization in the presence of (A) a silicate compound consisting of organosilicate and/or its condensate, having an alkoxysilyl group, an acid value of 15 to 150 mg KOH/g and a hydroxyl value of 30 to 200 mg KOH/g, and including the silicate compound (A), and (C) a melamine resin not having complete compatibility with the vinyl copolymer (B).
    • 一种水性无光泽涂料组合物,其含有通过将水分散体(I)分散在水(B)中制备的水分散体(I)(B),该水分散性乙烯基共聚物通过将包含具有可聚合不饱和双键的不饱和单体和烷氧基甲硅烷基 在(A)由有机硅酸盐和/或其缩合物组成的硅酸盐化合物,具有烷氧基甲硅烷基,酸值为15至150mg KOH / g,羟基值为30至200的情况下,在一个分子中进行自由基聚合 mg KOH / g,并且包括硅酸盐化合物(A)和(C)不与乙烯基共聚物(B)完全相容的三聚氰胺树脂。
    • 83. 发明授权
    • Mask protective device
    • US06083577A
    • 2000-07-04
    • US43272
    • 1998-03-17
    • Hiroaki NakagawaMasahiro Kondo
    • Hiroaki NakagawaMasahiro Kondo
    • G03F1/66G03F1/14
    • G03F1/64Y10T428/24793Y10T428/24868
    • In a mask protective device comprising a frame, the size of which is set to surround a mask pattern, and a transparent thin film 12 spread and fixed to the frame to close one opening of the frame, the periphery of the transparent thin film 12 is bonded to an end face 11a at one opening of the frame 11 by adhesives 41 applied on the whole surface of the end face 11a to cover and close the opening of the frame 11.A string-like bead 42 is formed on an end face 11b at the other end opening of the frame 11 by linearly applying adhesives, for bonding the frame 11 to the mask 17, all around the end face 11b of the frame 11. The string-like bead 42 formed on the end face 11b at the other opening of the frame 11 can be formed helically, formed in two lines arranged inside and outside in parallel with each other which have respective discontinuities at different places to have openings allowing the communication between the inside and the outside the mask protective device, or the like.As the mask protective device 40 is mounted on the mask 17 and bonded to the mask 17 by the string-like bead 42 made of adhesives linearly applied to the end face 11b of the frame, the top of a curved groove of which side walls are portions of the string-like bead 42 is closed by the mask 17, the groove becomes an air passage 43 allowing the communication between the inside and the outside of the frame 11. Therefore, the inner space 19 of the mask protective device 40 communicates with the outside through the air passage 43 so that air in the mask protective device 40 moves in and out through the air passage 43 even with changes in atmospheric pressure and/or in temperature, thereby preventing the thin film 12 from swelling or denting and preventing the damage of the thin film 12 and trouble on the optical characteristics.
    • 90. 发明授权
    • Laminated type piezoelectric actuator
    • 层压式压电致动器
    • US5252883A
    • 1993-10-12
    • US828221
    • 1992-01-30
    • Masahiro Kondo
    • Masahiro Kondo
    • H01L41/083H01L41/08
    • H01L41/0833H01L41/273H01L41/337H01L41/338
    • A laminated type piezoelectric actuator having a laminated body formed by alternately laminating piezoelectric ceramic layers and internal electrode layers, each of which are approximately the same shape. The four corners or edges of each layer of the ceramic layers and the internal electrode layers, which edges extend in parallel with the lamination direction of the laminated body, are machined to form a convex, arcuate shape or an angled, planar shape. This enables the end parts of each layer, which have a high distribution density of microcracks, to be removed, so that interlayer short-circuiting between the internal electrode films caused by the microcracks is prevented. Accordingly, the operation life and the reliability of the actuator of this invention is extended and improved, respectively, even when it is driven by a driving voltage which is exactly or close to that of a dc voltage in a highly humid environment. By using a Pb (Ni.sub.1/3 Nb.sub.2/3) O.sub.3 --PbTiO.sub.3 --PbZrO.sub.3 system perovskite structure compound oxide as the piezoelectric ceramic piece, and removing each of the four edges in the cross section to exhibit a convex, arcuate shape with a radius of curvature equal to or greater than 1.0 mm, or an angled, planar shape having a chamfering length equal to or greater than 0.8 mm, it is possible to increase the life of the actuator to about 10 times that of the actuator of the prior art.
    • 一种叠层型压电致动器,其具有通过交替层叠压电陶瓷层和内部电极层而形成的层叠体,每个压电陶瓷层和内部电极层的形状大致相同。 陶瓷层的每个层的四个角或边缘以及与层压体的层压方向平行延伸的边缘的内部电极层被加工成凸形的,弓形的或成角度的平面形状。 这样可以除去具有高分散密度的微裂纹的各层的端部,从而防止由微裂纹引起的内部电极膜之间的层间短路。 因此,即使在由高温环境中的直流电压的驱动电压完全或接近的驱动电压驱动的情况下,本发明的驱动器的使用寿命和可靠性分别得到扩展和改进。 通过使用Pb(Ni1 / 3Nb2 / 3)O3-PbTiO3-PbZrO3系钙钛矿结构复合氧化物作为压电陶瓷片,并且除去横截面中的四个边缘中的每一个以呈现具有曲率半径的凸起的弓形形状 或者具有等于或大于0.8mm的倒角长度的成角度的平面形状,可以将致动器的寿命增加到现有技术的致动器的寿命的约10倍。