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    • 44. 发明授权
    • Silver sol, preparation thereof, coating material for forming
transparent conductive film and transparent conductive film
    • 银溶胶,其制备方法,用于形成透明导电膜和透明导电膜的涂料
    • US5957828A
    • 1999-09-28
    • US73846
    • 1998-05-07
    • Takao Hayashi
    • Takao Hayashi
    • B01F13/00B01J13/00B22F1/00B22F9/24C09D1/00C09D5/24H01B1/20C09K3/00B01F17/00B05B3/10C22C5/06
    • B82Y30/00B01J13/0043B22F1/0018B22F9/24C22B11/04Y10S516/928
    • A silver sol comprises silver particles having a particle size ranging from 1 to 100 nm and a silver solid content ranging from 1 to 80% by weight. The silver sol can be prepared by a method comprising the steps of reacting a solution of a silver compound with a reducing agent at a temperature ranging from 5 to 50.degree. C. and a stirring speed falling within the range of from 1,000 to 10,000 rpm to form silver fine particles; recovering the resulting silver fine particles using a centrifugal separator; and then dispersing the silver fine particles in a medium to give a silver sol having a silver solid content ranging from 1 to 80% by weight. The silver sol or a coating material obtained by diluting the sol to a desired silver solid content and, if desired, adding a binder permits the formation of a transparent conductive film on, for instance, a cathode-ray tube while reducing the production cost. The resulting transparent conductive film has high transparency suitably used for coating a cathode-ray tube, excellent conductivity, in particular, good electromagnetic shielding properties and a surface resistance of not more than 10.sup.3 .OMEGA./.quadrature..
    • 银溶胶包含粒度范围为1〜100nm,银固含量为1〜80重量%的银粒子。 银溶胶可以通过包括以下步骤的方法制备:将银化合物溶液与还原剂在5至50℃的温度和搅拌速度在1,000至10,000rpm的范围内反应至 形成银微粒; 使用离心分离器回收所得的银微粒; 然后将银微粒分散在介质中,得到银固体含量为1〜80重量%的银溶胶。 通过将溶胶稀释至所需的银固体含量而获得的银溶胶或涂料,并且如果需要,添加粘合剂允许在例如阴极射线管上形成透明导电膜,同时降低生产成本。 所得到的透明导电膜具有高的透明度,适用于涂覆阴极射线管,导电性优异,特别是良好的电磁屏蔽性能和表面电阻不大于103欧姆/平方厘米。
    • 45. 发明授权
    • Composite conductive powder and conductive film formed from the powder
    • 复合导电粉末和导电膜由粉末形成
    • US5772924A
    • 1998-06-30
    • US806501
    • 1997-02-27
    • Takao HayashiKatsuhiko Yoshimaru
    • Takao HayashiKatsuhiko Yoshimaru
    • C01G19/00C01G19/02C01G30/00C01G33/00C01G35/00H01B1/08H01B5/14H01B13/00B05D5/12C09C1/36
    • H01B1/08
    • Composite conductive powder comprises a calcined mixture of conductive powder mainly comprising indium oxide which contains at least one member selected from the group consisting of tin oxide, titanium oxide and zirconium oxide as a dopant and conductive powder mainly comprising tin oxide which contains at least one member selected from the group consisting of antimony oxide, tantalum oxide and niobium oxide as a dopant, and a conductive film is formed from the composite, conductive powder. The composite, conductive powder and the conductive film produced from the powder permit the reduction in the amounts of materials for the ITO film, in particular, indium which is an expensive material and the composite, conductive powder can simultaneously satisfy both requirements for high transparency and high conductivity even if it is used for the formation of films through the coating technique.
    • 复合导电粉末包括主要包含氧化铟的导电粉末的煅烧混合物,其包含选自氧化锡,氧化钛和氧化锆作为掺杂剂的至少一种,主要包含氧化锡的导电粉末含有至少一种成分 选自氧化锑,氧化钽和氧化铌作为掺杂剂,并且由复合导电粉末形成导电膜。 由粉末制成的复合导电粉末和导电膜允许ITO膜,特别是廉价材料的铟的材料量的减少,并且复合导电粉末可以同时满足高透明度和 即使通过涂布技术用于形成膜,导电性也高。
    • 47. 发明授权
    • Lens drive mechanism for optical disc player with parallel support
springs having different spring constants
    • 具有不同弹簧常数的平行支撑弹簧的光盘播放器的镜头驱动机构
    • US5467328A
    • 1995-11-14
    • US285513
    • 1994-08-04
    • Yutaka MurakamiToru NakamuraTakao HayashiAkira MatsubaraHisashi Aizawa
    • Yutaka MurakamiToru NakamuraTakao HayashiAkira MatsubaraHisashi Aizawa
    • G11B7/09
    • G11B7/0932
    • A lens drive mechanism for an optical disc player includes a movable unit including an objective lens for focusing a coherent beam of light on an optical disc, a lens holder carrying the objective lens, focusing and tracking coils secured to opposite portions of a periphery of the lens holder. The lens drive mechanism also includes permanent magnets and yokes, and a plurality of support members connected at one end to the periphery of the lens holder and at the opposite end to a support fixture for supporting the movable unit for movement in focusing and tracking directions substantially perpendicular to each other. A upper set of the support members has a spring constant different from that of a lower set of the support members, and the product of the spring constant of the upper set of the support members multiplied by a distance from the center of gravity of the movable unit to a position of securement of the upper set of the support members is chosen to be equal to the product of the spring constant of the lower set of the support members multiplied by a distance from the center of gravity of the movable unit to a position of securement of the lower set of the support members.
    • 用于光盘播放器的透镜驱动机构包括:可移动单元,包括用于将相干光束聚焦在光盘上的物镜,承载物镜的透镜架,固定到所述物镜周边的相对部分的聚焦和跟踪线圈 镜头座 透镜驱动机构还包括永磁体和轭,以及多个支撑构件,其一端连接到透镜保持器的周边,并且在相对端连接到支撑固定件,用于支撑可移动单元以基本上在聚焦和跟踪方向上移动 彼此垂直。 上一组支撑构件具有与下一组支撑构件的弹簧常数不同的弹簧常数,并且上部支撑构件的弹簧常数乘以距离可移动的重心的距离的乘积 单元到上部支撑构件的固定位置被选择为等于下部支撑构件的弹簧常数乘以距离可移动单元的重心的距离乘以位置 固定下一组支撑构件。