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    • 21. 发明专利
    • Production of electrode for vacuum valve circuit breaker
    • 真空阀断路器电极的生产
    • JPS62116736A
    • 1987-05-28
    • JP25657385
    • 1985-11-18
    • Hitachi Ltd
    • KOMURO KATSUHIROKURODA TETSUOWATANABE RYUJIKUROSAWA YUKIO
    • H01B1/02B22D19/14B22D27/09C22C1/10H01H1/02H01H33/66
    • H01H1/0203
    • PURPOSE:To economically produce an electrode for a vacuum valve circuit breaker having high performance by preliminarily incorporating elements which generate wetting into molten copper, uniformly dispersing metallic particles which are not solutionized with copper therein and sulidifying the molten metal under the pressure. CONSTITUTION:The electrode for the vacuum valve circuit breaker is produced by uniformly dispersing the metallic particles which have >=400 deg.C difference in the m.p. from copper or are not solutionized with copper into a copper or copper alloy matrix. At least one kind selected from the elements which generate wetting with the molten copper or copper alloy and the metallic particles, i.e., Ti, Cr, Zr, V, and Nb are incorporated into the molten metal and thereafter the metallic particles are penetrated and dispersed into the molten metal. The size of the metallic particles is made about 5-200mu in the case of using Ta and W and about 5-500mu in the case of Cr, Co, Mo, and Fe. The elements to generate the wetting are added at about 0.05-3.0 at/O by 1-45amt. of the metallic particles to be added by volume. Such molten metal is cast into a metallic mold mold preheated to about 300-500 deg.C and is pressurized under about 200-2,000kg/cm pressure to solidify.
    • 目的:为了经济地制造具有高性能的真空阀断路器的电极,通过预先引入在熔融铜中产生润湿的元素,均匀分散不用铜溶解的金属颗粒,并在熔融金属的压力下使其熔化。 构成:真空阀门断路器的电极是通过均匀分散有> = 400度差的金属颗粒而制成的。 由铜制成或不用铜溶解成铜或铜合金基体。 从熔融铜或铜合金和金属颗粒(即Ti,Cr,Zr,V和Nb)中产生润湿的元素中选出的至少一种被引入熔融金属中,此后金属颗粒被渗透和分散 进入熔融金属。 在使用Ta和W的情况下,金属颗粒的尺寸约为5-200mu,在Cr,Co,Mo和Fe的情况下为约5-500μm。 产生润湿的元素以约0.05-3.0 / O加入1-45amt。 的金属颗粒以体积计。 将这种熔融金属铸入预热至约300-500℃的金属模具模具中,并在约200-2,000kg / cm 2压力下加压固化。
    • 22. 发明专利
    • OPTICAL RECORDING CARD
    • JPS6254851A
    • 1987-03-10
    • JP19376785
    • 1985-09-04
    • HITACHI LTD
    • MAEDA YOSHIHIRAWATANABE RYUJINAGAI SHOICHIMINEMURA TETSUOANDO HISASHI
    • G06K19/06B41M5/26B42D15/02B42D15/10G06K19/00G11B7/24
    • PURPOSE:To obtain film constitution having high utilizing efficiency of energy by providing a recording medium layer, absorption layer and interference layer between transparent substrates and forming the recording medium layer of a metal, alloy or semiconductor forming the crystal structure different from the equil. phase at a room temp. by quick cooling from the solid state of a high temp. CONSTITUTION:Much part of incident energy is absorbed in the absorption layer 5 and is changed to heat energy to quickly elevate the temp. of the absorption layer 5 when the absorption layer 5 consisting of material which absorbs the incident energy is provided on the incident energy side of the recording medium layer 2. As a result, the much heat energy is transferred from the absorption layer 5 to the recording layer 2 by heat transfer and the temp. of the layer 2 rises quickly up to the temp. higher than in the case having no absorption layer 5. The recording medium layer 2 consists of the metal or alloy which has the crystal structure different at the 1st temp. (high temp.) higher than room temp. nd the temp. (low temp.) lower than the 1st temp. in the solid state and has the crystal structure different from the crystal structure having the equil. phase at room temp. by quick cooling from the high temp. Said la perferably generates a volumetric change by a crystal change.
    • 24. 发明专利
    • Optical disk
    • 光盘
    • JPS61133063A
    • 1986-06-20
    • JP25533484
    • 1984-12-03
    • Hitachi Ltd
    • MAEDA YOSHIHIRAKANEKO TOSHITERUANDO HISASHIKONNO KIYOSHIWATANABE RYUJI
    • B41M5/26G11B7/24G11C13/04
    • PURPOSE: To improve the antistatic performance by providing UV curing type resin films having the electrostatic charge preventive power on both surfaces of a recording medium layer consisting of a metal or alloy which forms the crystal structure different from the equil. phase at a room temp. by quick cooling from the solid state at a high temp.
      CONSTITUTION: The recording medium layer 3 is formed of the metal or alloy which forms the crystal structure different from the equil. phase at a room temp. by quick cooling from the solid state at a high temp. A liquid resin which is curable by the irradiation of UV rays is coated to part or the whole of the surface of a stamper engraved with tracking grooves and a base 1 consisting of a transparent plate is press-stuck thereto from above to level off the liquid resin to the uniform thickness. The UV rays are irradiated through the base 1 to cure the liquid resin and thereafter the base 1 is stripped together with the cured resin 2 sticking thereto from the stamper. The same operation is executed with another surface of the base. The optical disk having the surface structure faithful to the tracking grooves engraved on the surface of the master disk and having the antistatic performance so as to prevent the sticking of dust. etc. thereto is thus obtd.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:通过在由形成不同于平衡的晶体结构的金属或合金构成的记录介质层的两个表面上提供具有静电电荷预防能力的UV固化型树脂膜来提高抗静电性能。 阶段在室温 通过在高温下从固态快速冷却。 构成:记录介质层3由与平衡不同的晶体结构的金属或合金形成。 阶段在室温 通过在高温下从固态快速冷却。 通过紫外线照射可固化的液体树脂被涂覆在雕刻有跟踪槽的压模的表面的一部分或全部,并且由透明板组成的基体1从上方被压到其上以平衡液体 树脂均匀厚度。 紫外线通过基体1照射以固化液体树脂,然后将基底1与从压模粘附到其上的固化树脂2一起剥离。 与基座的另一个表面执行相同的操作。 该光盘具有与刻蚀在母盘表面上的跟踪槽相符的表面结构,并且具有防静电性能,以防止灰尘粘附。 等等。
    • 25. 发明专利
    • Optical recording medium
    • 光学记录介质
    • JPS61133061A
    • 1986-06-20
    • JP25533284
    • 1984-12-03
    • Hitachi Ltd
    • ANDO HISASHIMINEMURA TETSUONAGAI SHOICHIWATANABE RYUJI
    • B41M5/26G11B7/24G11C13/04
    • PURPOSE: To improve the rate of utilizing heat for the purpose of recording and erasing by forming a thin heat insulating layer having a specific thickness on a resin base material and providing a thin optical recording film consisting of a metal or alloy forming the crystal structure different from the equil. phase at a room temp. by quick cooling from a solid state at a high temp. onto said layer.
      CONSTITUTION: The transparent heat insulating layer 6 is formed to
    • 目的:通过在树脂基材上形成具有特定厚度的薄的隔热层,提供利用热量进行记录和擦除的目的,并提供由形成不同晶体结构的金属或合金构成的薄的光学记录膜 从平衡 阶段在室温 通过在高温下从固态快速冷却。 到所述层。 构成:通过使用导热率小于材料1的导热率的树脂,在透明树脂基材1上将透明绝热层6形成为<2μm厚度。薄型光学记录膜2,其中两种 不同的晶体结构共存,折射率或coefft。 的光吸收变化由形成与等于不同的晶体结构的金属或合金形成。 阶段在室温 通过在高温下从固态快速冷却。 在上述层上。 因此,通过弱光源强度的激光和更高的擦除速度和较高S / N的信号可以实现高速记录。
    • 26. 发明专利
    • Optical recording disk
    • 光学记录盘
    • JPS61133057A
    • 1986-06-20
    • JP25533184
    • 1984-12-03
    • Hitachi Ltd
    • ANDO HISASHIMINEMURA TETSUONAGAI SHOICHIWATANABE RYUJI
    • B41M5/26G11B7/24G11C13/04
    • PURPOSE: To improve the recording efficiency by forming previously on a base material a guide track composed of a coaxial circle, a spiral recessed part, a spiral projecting part or their iteration and further forming thereon an approximately uniform film made of recording materials so as to cover the overall guide track or at least between the guide tracks.
      CONSTITUTION: For the recording material, such metal or alloy is employed that has the crystal structure of a crystal phase, which is available from quenching said metal or alloy in the solid state at a high temperature and is different from an equilibrium phase at a room temperature, and also has the refraction factor or light absorbing coefficient for changing due to the difference of crystal structures. An information recording track A is formed approximately uniformly in a coaxial or spiral shape at least an overall part for recording a signal. The width (t) of the information track A varies in accordance with the wavelength of a light source used or the degree of coherency. In case of using the semiconductor laser of a wavelength of about 800μm as a light source, the width (t) is preferably 0.7W1μm. A recording beam L incident from the guide groove side and its opposite side is narrowed equivalent to the information recording track A 0.7W1.0μm in width or the beam of a diameter more than said width, and irradiated to the optical recording material.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:通过在基材上预先形成由同轴圆,螺旋形凹部,螺旋状突出部或其迭代构成的导轨,提高记录效率,并进一步在其上形成由记录材料制成的大致均匀的膜,以便 覆盖整个导轨或至少在导轨之间。 构成:对于记录材料,使用具有结晶相的晶体结构的金属或合金,其可以在高温下以固态淬火所述金属或合金,并且与室内的平衡相不同 温度,并且由于晶体结构的差异而具有用于变化的折射系数或光吸收系数。 信息记录磁道A大致均匀地形成至少一个用于记录信号的整体部分的同轴或螺旋形状。 信息轨道A的宽度(t)根据所使用的光源的波长或一致性的程度而变化。 在使用波长约800μm的半导体激光器作为光源的情况下,宽度(t)优选为0.7〜1μm。 从引导槽侧及其相对侧入射的记录光束L相当于信息记录磁道A的宽度为0.7-1.0μm或直径大于所述宽度的光束,并照射到光学记录材料上。
    • 28. 发明专利
    • Optical disk device
    • 光盘设备
    • JPS6192434A
    • 1986-05-10
    • JP21136384
    • 1984-10-11
    • Hitachi Ltd
    • NIHEI HIDEKISATO YOSHIOSHIMADA SATOSHISASAKI HIROSHIMIYAMOTO NORIFUMITSUBOI NOBUYOSHIWATANABE RYUJI
    • G11B7/00G11B7/0045G11B7/0055G11B7/125G11B7/30
    • G11B7/125G11B7/0045
    • PURPOSE:To prevent overheating in case of recording, by selecting a wavelength of an optical beam so that a reflection factor of light from a material becomes large, in case of irradiating a recording optical beam. CONSTITUTION:Recording is executed at a longer wavelength side than a reference wavelength by which a reflection factor becomes the same before and after recording, and an erasion is executed at a lower wavelength side. By providing a laser light source system 10 for generating a laser beam of at least two or more wavelengths, and irradiating a disk 40 supported by a disk supporting body 50 through a beam splitter 20, the recording contents on a disk board are changed (recorded or erased) or read out, and a signal is reproduced by a detector 30. In this way, overheating in case of write can be prevented.
    • 目的:为了防止在记录的情况下的过热,通过选择光束的波长使得来自材料的光的反射系数变大,在照射记录光束的情况下。 构成:在比记录之前和之后的反射因数变得相同的参考波长的较长波长侧执行记录,并且在较低波长侧执行擦除。 通过设置用于产生至少两个或更多个波长的激光束的激光源系统10,并且通过分束器20照射由盘支撑体50支撑的盘40,盘基板上的记录内容被改变(记录 或擦除)或读出,并且由检测器30再现信号。以这种方式,可以防止在写入的情况下的过热。
    • 29. 发明专利
    • CORROSION SENSOR
    • JP2000171386A
    • 2000-06-23
    • JP34895998
    • 1998-12-08
    • HITACHI LTD
    • YAMAUCHI HIROSHISAKAI MASANORIWATANABE RYUJIKUNIYA JIRO
    • G01N17/00
    • PROBLEM TO BE SOLVED: To provide a corrosion sensor which stands for a high temperature and high pressure environment and is capable of detecting holes piercing a material due to general corrosion of a structural material, and local corrosion such as pitting corrosion, crevice corrosion, intergranular corrosion and the like. SOLUTION: This sensor includes a body to be tested 1 having a sealed inner chamber 4 and a pressure gauge 3 for measuring the pressure in the inner chamber, and the inner chamber 4 is filled with gas and/or liquid to produce a pressure difference from the external world. The body to be tested 1 has a thin part at least in a portion, which is thinner than the other region, and the thin part has such a structure that when the wall thickness is 0.01 mm or more, the stress generated due to pressure difference between the external worked and the inner chamber is smaller than the yield stress of the material constituting the thin part or yield strength.
    • 30. 发明专利
    • MANUFACTURE OF SHEET LAMINATED MULTILAYER WIRING BOARD
    • JPH08111584A
    • 1996-04-30
    • JP24364594
    • 1994-10-07
    • HITACHI LTD
    • WATANABE RYUJIOGOSHI YUKIO
    • H05K3/46H01L23/12
    • PURPOSE: To shorten the wiring of a sheet laminated multilayer wiring board in length so as to enable the wiring board to operate at a high speed by a method wherein a composite sheet composed of an organic insulating layer, a metal wiring layer, and an adhesive layer is bonded to the surface of a board, viaholes are provided to the composite sheet by dry etching and connected together with panel copper plating, and a second wiring layer is formed through wet etching. CONSTITUTION: Multilayer wiring boards each composed of metal wiring layers are laminated through the intermediary of an organic insulating layer 12 to compose a sheet laminated multilayer wiring board, wherein the metal wiring layers are connected together with viaholes. A copper plated adhesive sheet of integral structure composed of a copper foil 11, the organic insulating layer 12, and the metal wiring layer is bonded to a board 14. A viahole processing window hole used for dry etching is provided taking advantage of the metal layer, and viaholes are formed. Then, the viaholes are plated with an electroless panel copper plating 16 formed of the same material with a second wiring layer 17 and connected together, and then the second wiring layer 17 is formed through a wet etching method. At least, one layer is laminated on the board 14.