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1.发明授权Magnetic recording medium substrate using thermoplastic allyloxymethylstyrene resin, magnetic recording medium using the substrate, and method of manufacturing the magnetic recording medium 失效使用热塑性烯丙氧基甲基苯乙烯树脂的磁记录介质基板，使用该基板的磁记录介质，以及制造磁记录介质的方法公开(公告)号：US06939595B2
公开(公告)日：2005-09-06
申请号：US10712720
申请日：2003-11-13
申请人： Youichi Tei , Kouichi Tsuda , Ryoji Kobayashi , Syoji Sakaguchi
发明人： Youichi Tei , Kouichi Tsuda , Ryoji Kobayashi , Syoji Sakaguchi
CPC分类号： G11B5/7315 , Y10T428/31855 , Y10T428/31938
摘要： An injection molded thermoplastic magnetic recording substrate a medium formed therewith, and a method thereof is composed of a thermoplastic or allyloxymethylstyrene type resin.
摘要翻译： 注射成型的热塑性磁记录基材是由其形成的介质，其方法由热塑性或烯丙氧基甲基苯乙烯类树脂组成。
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2.发明授权Method for purifying a thermoplastic norbornene resin, a substrate using such a resin, and a magnetic recording medium using such a substrate 失效使用这种树脂的热塑性降冰片烯树脂的纯化方法，使用这种树脂的磁记录介质公开(公告)号：US06743530B2
公开(公告)日：2004-06-01
申请号：US10411436
申请日：2003-04-10
申请人： Youich Tei , Syoji Sakaguchi , Katsunori Suzuki
发明人： Youich Tei , Syoji Sakaguchi , Katsunori Suzuki
IPC分类号： G11B566
CPC分类号： G11B5/7315 , B29B13/00 , B29B2013/002 , B29C45/00 , B29L2017/003 , C11D7/5022 , G11B5/8404 , Y10T428/31692
摘要： A thermoplastic norbornene resin is purified by using a cleaning liquid to eliminate organic impurities, ionic impurities, metallic impurities, and particles of the resin. The cleaning liquid is selected from 2-propanol and a mixed solvent of 2-propanol and water. A substrate for a magnetic recording medium of the invention by fabricated by injection-molding the thermoplastic norbornene resin purified by this method. A magnetic recording medium of the invention includes such a substrate, and a magnetic layer, a protective layer, and a liquid lubricant layer sequentially formed on the substrate. A method for manufacturing such a magnetic recording medium is also provided.
摘要翻译： 通过使用清洗液来净化热塑性降冰片烯树脂以除去有机杂质，离子杂质，金属杂质和树脂颗粒。 清洗液选自2-丙醇和2-丙醇与水的混合溶剂。 本发明的磁记录介质用基板，通过注射成型由该方法纯化的热塑性降冰片烯树脂制成。 本发明的磁记录介质包括这样的基板，并且在基板上依次形成有磁性层，保护层和液体润滑剂层。 还提供了一种制造这种磁记录介质的方法。
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3.发明授权Substrate for magnetic recording media using dried thermoplastic norbornene resin and magnetic recording media using substrate 有权使用干燥的热塑性降冰片烯树脂和使用底物的磁记录介质的磁记录介质基板公开(公告)号：US07147944B2
公开(公告)日：2006-12-12
申请号：US10784027
申请日：2004-02-20
申请人： Youich Tei , Syoji Sakaguchi , Katsunori Suzuki
发明人： Youich Tei , Syoji Sakaguchi , Katsunori Suzuki
IPC分类号： G11B5/73
CPC分类号： G11B5/8404 , F26B5/04 , F26B21/10 , F26B21/14 , G11B5/73 , G11B5/7315
摘要： The gas components in thermoplastic norbornene resin pellets are suppressed below certain levels by drying the resin under vacuum or under the ordinary pressure and under vacuum. A substrate for magnetic recording media is manufactured by injection-molding the resin dried by the method according to the invention. The magnetic recording medium, employing the substrate manufactured according to the invention, includes at least a magnetic layer, a protection layer on the magnetic layer and a liquid lubricant layer on the protection layer. The magnetic recording medium is manufactured by forming these layers, one after another, on the substrate according to the invention.
摘要翻译： 热塑性降冰片烯树脂颗粒中的气体组分通过在真空或在常压和真空下干燥树脂而被抑制在某些水平以下。 通过注射成型树脂，通过根据本发明的方法干燥的树脂来制造用于磁记录介质的基材。 使用根据本发明制造的基板的磁记录介质至少包括磁性层，磁性层上的保护层和保护层上的液体润滑剂层。 通过在本发明的基板上依次形成这些层来制造磁记录介质。
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4.发明授权Method for purifying a thermoplastic norbornene resin, a substrate using such a resin, and a magnetic recording medium using such a substrate 有权使用这种树脂的热塑性降冰片烯树脂的纯化方法，使用这种树脂的磁记录介质公开(公告)号：US06794488B2
公开(公告)日：2004-09-21
申请号：US09828705
申请日：2001-04-06
申请人： Youich Tei , Syoji Sakaguchi , Katsunori Suzuki
发明人： Youich Tei , Syoji Sakaguchi , Katsunori Suzuki
IPC分类号： C08F600
CPC分类号： G11B5/7315 , B29B13/00 , B29B2013/002 , B29C45/00 , B29L2017/003 , C11D7/5022 , G11B5/8404 , Y10T428/31692
摘要： A thermoplastic norbornene resin is purified by using a cleaning liquid to eliminate organic impurities, ionic impurities, metallic impurities, and particles of the resin. The cleaning liquid is selected from 2-propanol and a mixed solvent of 2-propanol and water. A substrate for a magnetic recording medium of the invention is fabricated by injection-molding the thermoplastic norbornene resin purified by this method. A magnetic recording medium of the invention includes such a substrate, and a magnetic layer, a protective layer, and a liquid lubricant layer sequentially formed on the substrate. A method for manufacturing such a magnetic recording medium is also provided.
摘要翻译： 通过使用清洗液来净化热塑性降冰片烯树脂以除去有机杂质，离子杂质，金属杂质和树脂颗粒。 清洗液选自2-丙醇和2-丙醇与水的混合溶剂。 本发明的磁记录介质用基板是通过注射成型用该方法纯化的热塑性降冰片烯树脂来制造的。 本发明的磁记录介质包括这样的基板，并且在基板上依次形成有磁性层，保护层和液体润滑剂层。 还提供了一种制造这种磁记录介质的方法。
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5.发明授权Method of drying thermoplastic norbornene resin and method of manufacturing magnetic recording medium 失效干燥热塑性降冰片烯树脂的方法和制造磁记录介质的方法公开(公告)号：US06722057B2
公开(公告)日：2004-04-20
申请号：US09912449
申请日：2001-07-25
申请人： Youich Tei , Syoji Sakaguchi , Katsunori Suzuki
发明人： Youich Tei , Syoji Sakaguchi , Katsunori Suzuki
IPC分类号： F26B504
CPC分类号： G11B5/8404 , F26B5/04 , F26B21/10 , F26B21/14 , G11B5/73 , G11B5/7315
摘要： The gas components in thermoplastic norbornene resin pellets are suppressed below certain levels by drying the resin under vacuum or under the ordinary pressure and under vacuum. A substrate for magnetic recording media is manufactured by injection-molding the resin dried by the method according to the invention. The magnetic recording medium, employing the substrate manufactured according to the invention, includes at least a magnetic layer, a protection layer on the magnetic layer and a liquid lubricant layer on the protection layer. The magnetic recording medium is manufactured by forming these layers, one after another, on the substrate according to the invention.
摘要翻译： 热塑性降冰片烯树脂颗粒中的气体组分通过在真空或在常压和真空下干燥树脂而被抑制在某些水平以下。 通过注射成型树脂，通过根据本发明的方法干燥的树脂来制造用于磁记录介质的基材。 使用根据本发明制造的基板的磁记录介质至少包括磁性层，磁性层上的保护层和保护层上的液体润滑剂层。 通过在本发明的基板上依次形成这些层来制造磁记录介质。
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