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    • 87. 发明专利
    • HEAT PIPE TYPE HEAT RADIATING UNIT AND ITS MANUFACTURE
    • JPH07147358A
    • 1995-06-06
    • JP9989694
    • 1994-05-13
    • FURUKAWA ELECTRIC CO LTD
    • SOTANI JIYUNJITANAKA SUEMIYAMAMOTO MASAAKIKOBAYASHI KENZO
    • F28D15/02H01L23/427
    • PURPOSE:To reduce the thickness of a heat transferring plate so as to reduce the weight and thickness of a heat pipe type heat radiating unit as a whole by press-fixing both surfaces along the longitudinal axes of some or all heat pipes inserted into pipe inserting holes of the heat transferring plate to internal surfaces of the holes along the longitudinal axes of the holes. CONSTITUTION:In a heat transferring plate 2, pipe inserting holes 20 having flat (or elliptic) cross sections are formed at nearly equal intervals. The evaporating sections 10 of heat pipes 1 inserted into and fixed to the holes 20 have flat (or elliptic) cross sections and their both surfaces along their longitudinal axes r1 are press-fixed to the upper and lower internal surfaces of the holes 20 along the longitudinal axes R1 of the holes 20. The condensing sections 11 of the pipes 1 are fitted with heat radiating plates 3. The heat generated by heat generating parts is transferred to the evaporating sections 10 of the pipes 1 through the plate 2, evaporates a working fluid in the sections 10, is carried to the low-temperature and low-pressure condensing sections 11 by the vapor of the working fluid, and is discharged to the outside air through heat radiating fins 3.
    • 89. 发明专利
    • MAGNETO-OPTICAL COMPOSITE SENSOR
    • JPH06290500A
    • 1994-10-18
    • JP9673793
    • 1993-03-31
    • FURUKAWA ELECTRIC CO LTD
    • KOBAYASHI TAKAOKOBAYASHI KENZO
    • G11B11/10G11B11/105
    • PURPOSE:To write and read magnetic signals with the one magneto-optical composite magnetic head by providing thin films having a magneto-optical effect and a substrate in the gap part between the opposite magnetic cores of a magnetic head part and setting the width of these thin films smaller than the width of this substrate. CONSTITUTION:The light emitted from a light emitting element 10 is transmitted by an output side fiber 11 and only the single plane of polarization is transmitted by a polarizing film 12 on a light projecting side. The transmitted light is made incident on a magnetic garnet film 13 through the substrate 4. The magnetic garnet film 13 is magnetized by the magnetic field generated from a body to be detected, such as magnetic tape or magnetic disk, near the protective film at this time and, therefore, the plane of polarization is rotated by the Faraday effect of the compsn. of the garnet film 13 and is further reflected by a reflection film 14 so as to be returned to the garnet film 13. The plane of polarization of the light is again rotated 45 deg. within the garnet film 13 and is made incident through the substrate 4 and through a polarizing film 15 ion the outlet side which is an analyzer on an input side optical fiber 16 from which the light is made incident on a light receiving element 17. Magnetic information is detected from the rotation of the plane of polarization of this light.