THERMAL TRANSFER MATERIAL
    52.
    发明专利

    公开(公告)号:JPS60174694A

    公开(公告)日:1985-09-07

    申请号:JP3108484

    申请日:1984-02-20

    Abstract: PURPOSE:To enable higher transferring speed and higher resolution, by a method wherein a film which consists of a high molecular weight substance having a structure comprising not less than 50mol% of a specified basic component unit and has a thickness of 1-20mum and specified mechanical properties is used as a base, and a heat-fusible transferrable ink layer is provided on one side of the base. CONSTITUTION:The base consists solely of a film (inclusive of a sheet) of a high molecular weight substance having a structure comprising not less than 50mol% of the basic component unit of the formula, wherein each of m and n is an integer of 0-3. The thickness of the film is 1-20mum, and the film has a modulus in tension at 120 deg.C of not lower than 100kg/mm. and a coefficient of thermal shrinkage at 120 deg.C of not higher than 5%. A heat-fusible transferrable ink is applied to one side of the film by hot-melt coating or is applied in the state of a solution in a solvent to provide the transferrable ink layer.

    THIN FILM TYPE MAGNETIC RECORDING MEDIUM

    公开(公告)号:JPS5982624A

    公开(公告)日:1984-05-12

    申请号:JP17836982

    申请日:1982-10-13

    Abstract: PURPOSE:To improve the bonding strength of a magnetic layer and the resistance of a magnetic recording medium to curling due to the effect of temp. and humidity by forming a polymer layer having a restricted modulus of tensile elasticity on one side or both sides of a substrate and a thin film of a ferromagnetic body contg. practically no org. high molecular compound on the surface of the polymer layer. CONSTITUTION:A polymer layer having >0.5-20mum thickness and 10- modulus of tensile elasticity is formed on one side or both sides of a substrate having >=350kg/mm. modulus of tensile elasticity, and a thin film of a ferromagnetic body contg. practically no org. high molecular compound is formed on the surface of the polymer layer. The thickness of the polymer layer is half or less of the thickness of the substrate. The polymer layer is made of a vinyl chloride polymer, an acrylic polymer, an acrylate polymer or the like. The ferromagnetic thin film is a thin film type magnetic recording layer or a vertical magnetic recording layer, and it is formed by depositing a magnetic metal such as Fe, Co or Ni or a magnetic metallic compound such as Fe-Co, Fe-Ni or Fe- Co-Ni by plating, vacuum deposition, sputtering, ionic plating or other method.

    ELECTROSTATIC RECORDING MATERIAL
    56.
    发明专利

    公开(公告)号:JPS5550250A

    公开(公告)日:1980-04-11

    申请号:JP12268478

    申请日:1978-10-06

    Abstract: PURPOSE:To prevent spark discharge and to obtain an electrostatic recording material of high resolution and long life, by using a layer made of insular microparticles of a specified metal isolated from each other as a conductive layer. CONSTITUTION:Conductive layer 2 consisting of insular conductive microparticles of rhodium, palladium, iridium, platinum, or the like, having a mean particle surface area of 0.01 square micron or less, and isolated from each other, and having a surface resistivity of 10 -10 ohms is formed dispersed on the surface of insulating substrate 1, such as an organic polymer sheet, having a surface resistivity of about 10 ohms or more. Then on this layer, dielectric layer 3 of about 10 ohm.cm or more volume resistivity consisting of a dielectric having a dielectric constant of 2 or more, such as glass, TiO2, or polyester is formed to make an electrostatic recording material.

    COMPOSITE MATERIAL
    57.
    发明专利

    公开(公告)号:JPS5450551A

    公开(公告)日:1979-04-20

    申请号:JP11662877

    申请日:1977-09-30

    Abstract: PURPOSE:A high-rigidity material having improved heat resistance, prepared by heating a blend of a hydrolyzed vinyl ester polymer and an organosilicon compound. CONSTITUTION:A blend of (A) a colloidal organosilicon compound consisting of average repeating units expressed by formula (R is organic group; l is 0-1.7) having a particle size

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