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    CONDUCTIVE PASTE AND METHOD FOR MANUFACTURING MULTILAYER PRINTED WIRING BOARD USING SAME
    2.
    发明公开
    CONDUCTIVE PASTE AND METHOD FOR MANUFACTURING MULTILAYER PRINTED WIRING BOARD USING SAME 有权
    导电浆料及其制造方法多层电路板，ONE

    公开(公告)号：EP1816653A4

    公开(公告)日：2008-11-05

    申请号：EP05785720

    申请日：2005-09-26

    Applicant: SUMITOMO ELECTRIC INDUSTRIES

    Inventor： OKA YOSHIO ,  TAKII HITOSHI ,  HAYASHI NORIKI

    IPC: H01B1/22 ,  H01B1/00 ,  H05K3/46

    CPC classification number: H01B1/22 ,  H05K1/095 ,  H05K3/4069 ,  H05K3/4617 ,  H05K2201/0245 ,  H05K2201/0394

    Abstract: Disclosed is a conductive paste which is obtained by kneading conductive particles into an epoxy resin and can be easily filled into a via hole. Such a conductive paste enables to form a connected portion wherein the connection resistance does not change over time even under high temperature, high humidity conditions. Also disclosed is a method for manufacturing a multilayer printed wiring board wherein such a conductive paste is used. Specifically disclosed is a conductive paste which is characterized by containing conductive particles and a resin mixture wherein the epoxy resin content with a molecular weight of not less than 10,000 is 30-90% by weight in the total resin component and the elastic modulus at 85˚C after curing is not more than 2 GPa. This conductive paste is also characterized in that the conductive particle content is 30-75% by volume. Also disclosed is a method for manufacturing a multilayer printed wiring board by using such a conductive paste.

    FLEXIBLE PRINTED WIRING BOARD AND MANUFACTURING METHOD OF THE SAME
    7.
    发明专利
    FLEXIBLE PRINTED WIRING BOARD AND MANUFACTURING METHOD OF THE SAME 审中-公开

    公开(公告)号：JP2013254910A

    公开(公告)日：2013-12-19

    申请号：JP2012131159

    申请日：2012-06-08

    Applicant: SUMITOMO ELECTRIC INDUSTRIES

    Inventor： OKA YOSHIO ,  KASUGA TAKASHI ,  UENISHI NAOTA

    IPC: H05K1/11 ,  H05K3/40 ,  H05K3/46

    Abstract: PROBLEM TO BE SOLVED: To provide a flexible printed wiring board which inhibits the increase of a contact resistance of a blind via against bending, and to provide a manufacturing method of the flexible printed wiring board.SOLUTION: A flexible printed wiring board includes: a base material 30; a first conductive pattern; a second conductive pattern; and a conductor 40 connecting the first conductive pattern with the second conductive pattern. The first conductive pattern includes a first land part 11 and the second conductive pattern includes a second land part 21 provided at the opposite side of the first land part 11 sandwiching the substrate 30 therebetween. The conductor 40 is formed by a conductive paste, fills a via hole 33 which penetrates through the first land part 11 and the base material 30 and reaches the second land part 21, and is formed so as to cover at least a part of a surface of the first land part 11. A thickness of the conductor 40 on a center axis Ca of the via hole 33 is smaller than the sum of a thickness of the base material 30 and the thickness of the first land part 11.

    BASE OF ELECTRODE
    8.
    发明专利
    BASE OF ELECTRODE 失效

    公开(公告)号：JPH10116621A

    公开(公告)日：1998-05-06

    申请号：JP26834096

    申请日：1996-10-09

    Applicant: SUMITOMO ELECTRIC INDUSTRIES

    Inventor： OKA YOSHIO ,  YAMADA KOICHI

    IPC: H01M4/70

    Abstract: PROBLEM TO BE SOLVED: To prevent an active material from slipping off, enhance the rate of utilization, and establish high volume production of batteries by forming the ridge of undulation in a wavy form or uncontinuous linear form when it is viewed in the plane direction of the electrode base. SOLUTION: An electrode base 1 is formed from a metal plate provided with a number of openings, wherein the section across the thickness should be in a sine wave form. Also the ridge part 11 of the wave should be in sine wave form when it is viewed in the plane direction of the base 1. As a result, elongative deformation of the base 1 shown by the blank arrows is suppressed by the reinforcing effect in the plane direction based upon the condition that the ridge part 11 is formed in the sine wave, i.e., the reinforcing effect generated chiefly by the curved portion of the sine wave. Accordingly the base 1 will not easily make elongative deformation even though a tensile force or pressing force is applied in the direction of blank or solid arrows when an object wound in a hoop shape is to be paid off, for example, in the mass-producing process of alkaline secondary batteries. This prevents the active material from slipping off, enhances the rate of utilization, and allows establishment of high volume production.

    ALKALINE STORAGE BATTERY
    9.
    发明专利
    ALKALINE STORAGE BATTERY 失效

    公开(公告)号：JPH08130031A

    公开(公告)日：1996-05-21

    申请号：JP23105695

    申请日：1995-09-08

    Applicant: SUMITOMO ELECTRIC INDUSTRIES

    Inventor： OKA YOSHIO ,  SAKAMOTO TAKESHI ,  UEMIYA TAKAFUMI

    IPC: H01M4/62 ,  H01M2/16 ,  H01M4/32 ,  H01M4/66 ,  H01M4/80 ,  H01M10/26 ,  H01M10/34

    Abstract: PURPOSE: To lengthen charge/discharge cycle life and especially reduce capacity deterioration attendant on the charge/discharge cycles by containing a baron compound in at least one of a negative electrode, a positive electrode, and a separator. CONSTITUTION: A urethane foam is immersed in a colloidal catalyst solution comprising palladium chloride and stannous chloride for adsorption, then tin is removed by sulfuric acid, a catalyst is activated, then the urethane foam is immersed in an electroless plating solution mainly comprising nickel sulfate, hypophosphorous acid, citric acid, and electroless plating is performed. Nickel electroplating is performed to the foam, the plated form is washed, heated, and thermally decomposed in hydrogen stream at 1000 deg.C to obtain a foamed nickel substrate. Paste prepared by adding water to a mixture of nickel hydroxide powder, carbonyl cobalt powder, cobalt oxide powder is filled in the foamed nickel substrate to obtain a nickel electrode. A hydrogen storage alloy is used as a negative electrode. A battery is assembled with these electrodes and a nonwoven fabric separator. Boric acid is added to a caustic alkali solution acting as an electrolyte, or contained in at least one of the negative electrode, the positive electrode, and the separator.

    ELECTRODE SUPPORT BODY FOR BATTERY, ITS MANUFACTURE, AND USE OF ELECTRODE SUPPORTING BODY FOR BATTERY
    10.
    发明专利
    ELECTRODE SUPPORT BODY FOR BATTERY, ITS MANUFACTURE, AND USE OF ELECTRODE SUPPORTING BODY FOR BATTERY 失效

    公开(公告)号：JPH0888006A

    公开(公告)日：1996-04-02

    申请号：JP22214694

    申请日：1994-09-16

    Applicant: SUMITOMO ELECTRIC INDUSTRIES

    Inventor： UEMIYA TAKAFUMI ,  OKA YOSHIO ,  SAKAMOTO TAKESHI ,  HOSOE AKIHISA ,  NISHI TETSUYA

    IPC: H01M4/80 ,  H01M10/28 ,  H01M10/30

    Abstract: PURPOSE: To provide an electrode support body preferable to manufacture a battery by aiming at the surface property of the electrode support body made of a metal porous body and provide the electrode support body capable of giving better characteristics to the battery. CONSTITUTION: An electrode supporting body 30 for a battery is made of a porous sheet in which metal fibrous bodies 20 are three-dimensionally connected. A degree of the connection of the metal fibrous bodies 20 is different on the surface 21a and the back surface 21b of the sheet, and on the surface 21a, a degree of the connection is low and napped metal fibrous bodies are long. On the back surface 21b, a degree of the connection is high and napped metal fibrous bodies are short. An active material is filled in the electrode supporting body with a such surface property to form an electrode for the battery.

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