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公开(公告)号：EP0101080B1
公开(公告)日：1987-04-29
申请号：EP83107984.3
申请日：1983-08-11
CPC分类号： G11B5/738 , G11B5/725 , Y10S428/90 , Y10T428/24355 , Y10T428/24802 , Y10T428/24851 , Y10T428/24893 , Y10T428/254
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公开(公告)号：EP0109667B1
公开(公告)日：1987-04-01
申请号：EP83111517.5
申请日：1983-11-17
发明人： Suzuki, Takashi , Hibino, Kunio , Murai, Mikio , Kawase, Shigeki , Shinohara, Koichi , Nouchi, Norimoto
CPC分类号： G11B5/725 , G11B5/64 , Y10S428/90 , Y10T428/24355 , Y10T428/24413 , Y10T428/24421 , Y10T428/2443 , Y10T428/24802 , Y10T428/24851
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3.发明公开Method of making a magnetic recording medium and a ceramic crucible for such a method 失效制造磁记录介质的方法和用于这种方法的陶瓷可克
公开(公告)号：EP0043644A3
公开(公告)日：1982-07-21
申请号：EP81302372
申请日：1981-05-29
发明人： Shinohara, Koichi
CPC分类号： G11B5/851 , C04B35/04 , C04B35/053 , C23C14/243 , C23C14/30 , H01F41/20
摘要： A method of making a magnetic recording medium including the step of continuously depositing a ferromagnetic layer on a flexible substrate using an electron beam for heating an evaporation source material. A container for retaining said source material in a heating position is made of a ceramic having a composition comprising 97 to 99 wt% of MgO. 0.2 to 0.5 wt% of Al 2 O 3 and 0.4 to 1 wt% of SiO 2 .
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公开(公告)号：EP0073041A3
公开(公告)日：1985-03-13
申请号：EP82107650
申请日：1982-08-20
发明人： Shinohara, Koichi
摘要： The invention provides a method and a device for mass-producing a magnetic recording medium which has excellent wear and corrosion resistances and uniform quality along the longitudinal and transverse directions of an elongated base body, wherein the elongated base body in a vacuum chamber is fed to continuously deposit a ferromagnetic material thereon, while a gas is sprayed in the vicinity of an incident angle control section of a mask for controlling an angle of incidence of a vapor flow from a vapor source to the elongated base body. The angle of incidence is kept constant to prevent deposition of the vapor material on the incident angle control section, and simultaneously, a uniform oxide film is formed on the ferromagnetic layer using a gas containing at least oxygen.
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公开(公告)号：EP0101080A1
公开(公告)日：1984-02-22
申请号：EP83107984.3
申请日：1983-08-11
CPC分类号： G11B5/738 , G11B5/725 , Y10S428/90 , Y10T428/24355 , Y10T428/24802 , Y10T428/24851 , Y10T428/24893 , Y10T428/254
摘要： A magnetic recording media, e.g. VTR tape is improved by comprising an undercoating layer on a polyester film substrate (1), the undercoating layer being formed under a ferromagnetic thin film (4) and being an even-scattering of a large number of inorganic or organic granules (2) scattered at a rate of 1000/mm 2 or more.
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公开(公告)号：EP0048884A3
公开(公告)日：1982-07-28
申请号：EP81107266
申请日：1981-09-15
发明人： Shinohara, Koichi
CPC分类号： C23C14/24 , C23C14/564
摘要： A blower and a dust collector are communicated through valves with an evacuated process chamber in which are disposed one or more sets of a film-substrate holder and an evaporation source in such a way that the blower, the dust collector and the process chamber constitute a closed circuit.
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公开(公告)号：EP0041850A2
公开(公告)日：1981-12-16
申请号：EP81302513.7
申请日：1981-06-05
发明人： Shinohara, Koichi , Fujita, Takashi
CPC分类号： C23C14/20 , C23C14/562
摘要： A method of vacuum depositing a layer on a plastics film in which the film is transported so as to pass along a metal surface moving with thefilm and deposition is carried out in a manner that a vapour of a source material is emitted to the portion ofthefilm in contact with the metal surface. Thefilm is made to exhibit electret properties when it is located at the metal surface, whereby an electrostatic attractive force exists between the film and the metal surface.
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公开(公告)号：EP1239485A3
公开(公告)日：2003-12-10
申请号：EP02004944.1
申请日：2002-03-05
发明人： Kuwajima, Hideki , Shinohara, Koichi , Matsuoka, Kaoru , Sakamoto, Kenichi , Miyamoto, Makoto , Obata, Shigeo
CPC分类号： G11B33/121 , G11B25/043
摘要： A disk drive comprises a recording medium, spinning means, a head supporting device having a support arm disposed in a rotatable manner about a bearing unit in a radial direction as well as a perpendicular direction to a writing surface of the recording medium, and rotating means for rotating the support arm in the radial direction of the recording medium. A shape of the housing is defined based on a first straight line tangent to both an outermost rim of the rotating means and an outer periphery of the recording medium, and according to a quadrilateral comprised of the first straight line, a second straight line tangent to the outer periphery of the recording medium and perpendicular to the first straight line, a third straight line tangent to the outermost rim of the rotating means and perpendicular to the first straight line, and a fourth straight line tangent to the outer periphery of the recording medium and parallel with the first straight line, thereby realizing the disk drive that is compatible in external size with memory cards.
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公开(公告)号：EP0101080B2
公开(公告)日：1990-09-26
申请号：EP83107984.3
申请日：1983-08-11
CPC分类号： G11B5/738 , G11B5/725 , Y10S428/90 , Y10T428/24355 , Y10T428/24802 , Y10T428/24851 , Y10T428/24893 , Y10T428/254
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10.发明公开Method of making a magnetic recording medium and a ceramic crucible for such a method 失效一种用于制造磁记录材料和用于此过程由陶瓷制成的坩埚法。
公开(公告)号：EP0043644A2
公开(公告)日：1982-01-13
申请号：EP81302372.8
申请日：1981-05-29
发明人： Shinohara, Koichi
CPC分类号： G11B5/851 , C04B35/04 , C04B35/053 , C23C14/243 , C23C14/30 , H01F41/20
摘要： A method of making a magnetic recording medium including the step of continuously depositing a ferromagnetic layer on a flexible substrate using an electron beam for heating an evaporation source material. A container for retaining said source material in a heating position is made of a ceramic having a composition comprising 97 to 99 wt% of MgO. 0.2 to 0.5 wt% of Al 2 O 3 and 0.4 to 1 wt% of SiO 2 .
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