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1. 发明授权

US4526837A Magnetic recording medium 失效
标题翻译：磁记录介质
公开(公告)号：US4526837A
公开(公告)日：1985-07-02
申请号：US375261
申请日：1982-04-23
申请人： Akira Ohtsuki , Ryozo Konno , Makio Sugai , Masaharu Nishimatsu , Yuichi Kubota , Kazushi Tanaka , Osamu Shinoura
发明人： Akira Ohtsuki , Ryozo Konno , Makio Sugai , Masaharu Nishimatsu , Yuichi Kubota , Kazushi Tanaka , Osamu Shinoura
IPC分类号： G11B5/702 , C08F2/00 , C08F2/54 , C09D5/23 , G11B5/70 , G11B5/708
CPC分类号： G11B5/7013 , Y10S428/90 , Y10T428/31609 , Y10T428/31935
摘要： This invention provides a magnetic recording medium with excellent electromagnetic characteristics and running durability. According to the invention, a magnetic powder is kneaded with a cross-linkable or polymerizable resin binder, together with a phosphoric ester having a polymerizable, unsaturated double bond or bonds, the resulting coating material is applied to a substrate, and then the coating is cross-linked or polymerized. The addition of the phosphoric ester in place of an ordinary dispersing agent improves the mechanical properties of the magnetic coating and the durability and running quality of the magnetic recording medium.
摘要翻译： PCT No.PCT / JP81 / 00204 Sec。一九八二年四月二十三日 102（e）日期1982年4月23日PCT提交1981年8月28日PCT公布。出版物WO82 / 00914 1982年3月18日。本发明提供具有优异的电磁特性和运行耐久性的磁记录介质。根据本发明，将磁性粉末与可交联或可聚合的树脂粘合剂与具有可聚合的不饱和双键或键合的磷酸酯一起捏合，将所得的涂料施加到基材上，然后将涂层交联或聚合。添加磷酸酯代替普通分散剂可改善磁性涂层的机械性能和磁记录介质的耐久性和运行质量。

2. 发明授权

US4708909A Radiation-curable, magnetic coating material and magnetic recording medium using the same 失效
标题翻译：可辐射固化的磁性涂层材料和使用其的磁记录介质
公开(公告)号：US4708909A
公开(公告)日：1987-11-24
申请号：US933268
申请日：1986-11-19
申请人： Akira Ohtsuki , Ryozo Konno , Nobumori Kanno , Makio Sugai , Takashi Mihoya , Yuichi Kubota , Masaharu Nishimatsu , Yukihiro Isobe , Kazushi Tanaka , Osamu Shinoura
发明人： Akira Ohtsuki , Ryozo Konno , Nobumori Kanno , Makio Sugai , Takashi Mihoya , Yuichi Kubota , Masaharu Nishimatsu , Yukihiro Isobe , Kazushi Tanaka , Osamu Shinoura
IPC分类号： C08F2/00 , C08F2/44 , C08F2/54 , C09D4/00 , C09D5/00 , C09D5/23 , G11B5/702
CPC分类号： G11B5/7026 , Y10S428/90 , Y10T428/31609 , Y10T428/31935
摘要： This invention concerns a radiation-curable, magnetic coating material and a magnetic recording medium made with the coating, which is characterized in that a water-soluble or water-dispersed resin having at least one radiation-curable, unsaturated double is contained as a vehicle. The vehicle may also contain a water-soluble or water-dispersible resin, or mixtures thereof free from such an unsaturated double bond. The invention provides a magnetic recording medium with improved durability, softness, flexibility, and heat resistance.
摘要翻译： PCT No.PCT / JP82 / 00284 Sec。 371日期1983年2月28日 102（e）日期1983年2月28日PCT申请日1982年7月22日PCT公布。第WO83 / 00340号公报日本1983年2月3日。本发明涉及一种可辐射固化的磁性涂层材料和由该涂层制成的磁记录介质，其特征在于具有至少一种可辐射固化的水溶性或水分散的树脂，含有不饱和双酚作为载体。载体还可含有不含这种不饱和双键的水溶性或水分散性树脂或其混合物。本发明提供了具有改善的耐久性，柔软性，柔韧性和耐热性的磁记录介质。

3. 发明授权

US4511629A Magnetic recording medium 失效
标题翻译：磁记录介质
公开(公告)号：US4511629A
公开(公告)日：1985-04-16
申请号：US463419
申请日：1983-02-03
申请人： Ryozo Konno , Makio Sugai , Yuichi Kubota , Masaharu Nishimatsu , Yukihiro Isobe , Kazushi Tanaka , Osamu Shinoura
发明人： Ryozo Konno , Makio Sugai , Yuichi Kubota , Masaharu Nishimatsu , Yukihiro Isobe , Kazushi Tanaka , Osamu Shinoura
IPC分类号： C09D5/23 , G11B5/738 , H01F10/00 , B05D5/12
CPC分类号： G11B5/738 , Y10S428/90 , Y10T428/31935
摘要： In a magnetic recording medium made by applying a non-magnetic undercoat and a magnetic top coat on a base, the undercoat comprises a radiation-curable coating material which contains a compound with a molecular weight of not less than 400, having one type of double bond selected from among acrylic, allylic, and maleic double bonds, the undercoat being formed by exposure to radiation. Specifically, the undercoating material contains at least two types of compounds selected from (A) those having a molecular weight of over 5000, preferably over 8000 and having two or more double bonds selected as above, (B) those having a molecular weight of 400 or more but less than 500, preferably in the range of 600 to 3000, and two or more double bonds selected as above, and (C) those having a molecular weight of less than 400 and one or more double bonds selected from among acrylic, allylic, maleic, and styrenic double bonds. At least two types of the compounds are used in a mixing ratio of 0-90 wt % (A), 0-80 wt % (B), and 0-50 wt % wt % (C).
摘要翻译：在通过在基底上施加非磁性底涂层和磁性面漆制成的磁记录介质中，底涂层包含含有分子量不小于400的化合物的辐射固化涂层材料，具有一种类型的双键从丙烯酸，烯丙基和马来双键中选择，底涂层通过暴露于辐射形成。具体地说，底涂层材料含有至少两种选自（A）分子量超过5000，优选超过8000，具有两个以上选自上述双键的化合物，（B）分子量为400 或更多但小于500，优选在600至3000的范围内，以及如上选择的两个或更多个双键，和（C）分子量小于400的那些和选自丙烯酸，烯丙基，马来酸和苯乙烯双键。以0-90重量％（A），0-80重量％（B）和0-50重量％重量（C）的混合比使用至少两种类型的化合物。

4. 发明授权

US4419406A Magnetic recording medium and production thereof 失效
标题翻译：磁记录介质及其制造
公开(公告)号：US4419406A
公开(公告)日：1983-12-06
申请号：US362655
申请日：1982-03-29
申请人： Yukihiro Isobe , Kazushi Tanaka , Masaharu Nishimatsu , Osamu Shinoura , Yuichi Kubota
发明人： Yukihiro Isobe , Kazushi Tanaka , Masaharu Nishimatsu , Osamu Shinoura , Yuichi Kubota
IPC分类号： G11B5/84 , C09D5/23 , C09D127/06 , C09D175/14 , G11B5/73 , G11B5/735 , B32B27/00
CPC分类号： G11B5/7305 , Y10S428/90 , Y10T428/31544
摘要： A magnetic recording medium having a magnetic layer on one surface of a substrate and a back layer on the other surface, which is characterized by that the back layer is that formed by dispering a filler such as carbon black, graphite, SiO.sub.2, TiO.sub.2, Al.sub.2 O.sub.3,Cr.sub.2 O.sub.3, SiC, CeO.sub.2, CaCO.sub.3, zinc oxide, geothite, .alpha.Fe.sub.2 O.sub.3, talc, kaolin, CaSO.sub.4, boron nitride, Teflon powder, graphite fluoride, molybdenum disulfide, zirconia etc. In a binder containing a radiation sensitive curable resin such as acryl-modified vinyl chloride - vinyl acetate - vinyl alcohol copolymer, acryl-modified polyurethane elastomer, acryl-modified polyester resin, etc. and curing it prior to rolling. The obtained back layer is very tough and can reduce the number of dropouts.
摘要翻译：一种磁性记录介质，其在基板的一个表面上具有磁性层，而在另一个表面上具有背层，其特征在于，背层是通过分散诸如炭黑，石墨，SiO 2，TiO 2，Al 2 O 3 ，Cr 2 O 3，SiC，CeO 2，CaCO 3，氧化锌，Geothite，αFe2 O 3，滑石，高岭土，CaSO 4，氮化硼，特氟隆粉末，氟化石墨，二硫化钼，氧化锆等。在含有辐射敏感性固化树脂如丙烯酸改性氯乙烯 - 乙酸乙烯酯 - 乙烯醇共聚物，丙烯酸改性聚氨酯弹性体，丙烯酸改性聚酯树脂等，并在轧制前固化。获得的背层非常坚硬，可以减少辍学次数。

5. 发明授权

US4451531A Magnetic recording medium and method 失效
标题翻译：磁记录介质及方法
公开(公告)号：US4451531A
公开(公告)日：1984-05-29
申请号：US384063
申请日：1982-06-01
申请人： Yukihiro Isobe , Kazushi Tanaka , Masaharu Nishimatsu , Osamu Shinoura , Yuichi Kubota
发明人： Yukihiro Isobe , Kazushi Tanaka , Masaharu Nishimatsu , Osamu Shinoura , Yuichi Kubota
IPC分类号： C09D167/07 , G11B5/708 , G11B5/73 , G11B5/735 , B32B5/16
CPC分类号： G11B5/7085 , Y10S428/90 , Y10T428/252 , Y10T428/256 , Y10T428/257 , Y10T428/266
摘要： The invention provides a novel magnetic recording tape comprising a film base, a magnetic coating layer on one surface and a backing layer on the other surface, the backing layer containing an abrasive powder having a hardness of at least 4 in the Mohs scale, such as silicon carbide and the like, dispersed in a binder matrix formed by curing a radiation-sensitive polymer by irradiating with a high energy radiation, such as electron beams accelerated at a voltage of 100 to 750 kilovolts. Coating of the film base with a coating composition to form the backing layer is performed on the surface of the film base having been provided with the magnetic coating layer on the other surface and the radiation-curing of the backing layer is performed prior to winding the tape into a roll to give a specified tensile modulus so that the magnetic recording tape is freed from the problem of the phenomenon of dropout owing to the absence of any particulate material adhering to the tape surface as is sometimes unavoidable in the conventional manufacturing process. The product tape is also quite free from scratch formation by virtue of the presence of the abrasive powder in the backing layer also contributing to the decrease of dropout.
摘要翻译：本发明提供了一种新颖的磁记录带，其包括膜基底，一个表面上的磁性涂层和另一个表面上的背衬层，该背衬层含有摩尔规格中硬度至少为4的磨料粉末，例如碳化硅等分散在通过用高能辐射照射固化辐射敏感聚合物形成的粘合剂基质中，例如以100-750千伏的电压加速的电子束。在具有在另一表面上设置有磁性涂层的膜基材的表面上进行用涂料组合物涂覆膜基底以形成背衬层，并且背衬层的辐射固化在卷绕之前进行将其卷成卷以提供特定的拉伸模量，使得磁记录带由于没有任何颗粒材料粘附到带表面而免除掉落现象的问题，这在常规制造过程中有时是不可避免的。由于在背衬层中存在磨料粉末，产品胶带也非常没有刮擦形成，也有助于减少脱落。

6. 发明授权

US4670340A Magnetic recording medium and method 失效
标题翻译：磁记录介质及方法
公开(公告)号：US4670340A
公开(公告)日：1987-06-02
申请号：US767075
申请日：1985-08-19
申请人： Yukihiro Isobe , Kazushi Tanaka , Masaharu Nishimatsu , Osamu Shinoura , Yuichi Kubota
发明人： Yukihiro Isobe , Kazushi Tanaka , Masaharu Nishimatsu , Osamu Shinoura , Yuichi Kubota
IPC分类号： C09D127/06 , C09D175/14 , G11B5/73 , G11B5/735 , G11B5/84 , B32B5/16
CPC分类号： G11B5/735 , G11B5/84 , Y10S428/90 , Y10T428/269
摘要： The invention provides a method for manufacturing a magnetic recording tape which is free from the problems of the phenomenon of dropout as well as runout of the tape roll throughout the life of the tape. The inventive method comprises providing a coating layer on a surface of a film base of the tape having been provided with the magnetic coating layer on the other surface with a coating composition comprising a radiation-sensitive curable polymeric material, which is a thermoplastic resin modified to be radiation-sensitive with or without admixture of a thermoplastic elastomer, and a filler dispersed therein and, prior to winding of the tape into a roll, irradiating the coating layer with a high energy radiation of, preferably, electron beams whereby the coating composition is fully radiation-cured to form a backing layer of the tape.
摘要翻译：本发明提供了一种制造磁记录带的方法，该磁记录带在纸带的整个使用寿命期间没有脱落现象以及带卷的跳动问题。本发明的方法包括在带的膜基底的表面上提供涂层，该涂层在另一表面上设置有磁性涂层，涂层组合物包含辐射敏感的可固化聚合物材料，该辐射敏感可固化聚合物材料是被修饰成对热塑性弹性体和/或其中分散的填料进行辐射敏感，并且在将带缠绕成卷之前，用优选电子束的高能量辐射照射涂层，由此涂覆组合物为完全辐射固化以形成带的背衬层。

7. 发明授权

US4415630A Process of making magnetic recording medium 失效
标题翻译：制作磁记录介质的过程
公开(公告)号：US4415630A
公开(公告)日：1983-11-15
申请号：US470180
申请日：1983-02-28
申请人： Yuichi Kubota , Masaharu Nishimatsu , Kazushi Tanaka
发明人： Yuichi Kubota , Masaharu Nishimatsu , Kazushi Tanaka
IPC分类号： G11B5/708 , G11B5/712 , B32B5/16 , H01F10/02
CPC分类号： G11B5/708 , G11B5/712 , Y10S428/90 , Y10T428/2991 , Y10T428/31678 , Y10T428/31855 , Y10T428/31935
摘要： A magnetic recording medium comprises a substrate and a magnetic recording layer formed thereon and which is made of a magnetic coating material consisting essentially of a magnetic powder dispersed in a binder, the coating material containing a titanium coupling agent. The magnetic powder is coated with the coupling agent or is mixed with the agent and then dispersed in the binder. The binder is prepared by mixing and plasticizing a radiation-sensitive modified resin with a radiation-sensitive soft resin and subjecting the mixture to radiation cross-linking and polymerization. Process for producing the medium comprises coating the magnetic particles with the titanium coupling agent, blending the coated particles with the binder to form a magnetic coating material, and then applying the material to the substrate. Alternatively, the process comprises mixing the titanium coupling agent with the magnetic particles, blending the mixture with the binder, and then applying the resulting coating material to the substrate. The titanium coupling agent is used in an amount of 0.5-7 wt %, preferably 0.5-3 wt %, based on the weight of the magnetic powder.
摘要翻译：磁记录介质包括基板和形成在其上的磁记录层，并且由基本上由分散在粘合剂中的磁粉组成的磁性涂层材料制成，所述涂层材料含有钛偶联剂。磁性粉末涂有偶联剂，或与试剂混合，然后分散在粘合剂中。通过将辐射敏感的改性树脂与辐射敏感的软树脂混合和塑化并使混合物进行辐射交联和聚合来制备粘合剂。用于生产介质的方法包括用钛偶联剂涂覆磁性颗粒，将涂覆的颗粒与粘合剂混合以形成磁性涂层材料，然后将该材料施加到基材上。或者，该方法包括将钛偶联剂与磁性颗粒混合，将混合物与粘合剂混合，然后将所得的涂料施用于基材。钛偶联剂的使用量为0.5-7重量％，优选为0.5-3重量％，基于磁粉的重量。

8. 发明授权

US07592058B2 Optical recording medium 有权
标题翻译：光记录介质
公开(公告)号：US07592058B2
公开(公告)日：2009-09-22
申请号：US11698927
申请日：2007-01-29
申请人： Daisuke Yoshitoku , Koji Mishima , Kazushi Tanaka
发明人： Daisuke Yoshitoku , Koji Mishima , Kazushi Tanaka
IPC分类号： B32B3/02
CPC分类号： G11B7/2437 , G11B7/2433 , G11B2007/24314 , G11B2007/2432 , Y10T428/21
摘要： An optical recording medium with a high productivity is provided which can certainly record/reproduce data even when a blue or blue-violet laser beam is used as an irradiation light. An optical recording medium has a substrate and a recording layer. The recording layer includes a recording portion and a coating portion. The recording portion and the coating portion are all made substantially from Bi and O. The ratio of the number of O atoms to the total number of Bi atoms and O atoms of the coating portion is less than that of the recording portion. The ratio of the number of O atoms of the recording portion is in the range of from 62% to 77%. The ratio of the number of O atoms to the total number of Bi atoms and O atoms of the coating portion is in the range of from 60% to 70%.
摘要翻译：提供了具有高生产率的光学记录介质，即使当使用蓝色或蓝紫色激光束作为照射光时，它也可以记录/再现数据。光记录介质具有基板和记录层。记录层包括记录部分和涂覆部分。记录部分和涂覆部分都基本上由Bi和O制成。涂覆部分的O原子数与Bi原子和O原子总数之比小于记录部分的比例。记录部分的O原子数的比率在62％至77％的范围内。 O原子数与涂布部分的Bi原子和O原子总数的比率在60％至70％的范围内。

9. 发明申请

US20090156705A1 Malti-layered object comprising hard coat layer and light transmitting layer, and method for producing the same 有权
标题翻译：包含硬涂层和透光层的马耳分层物体及其制造方法
公开(公告)号：US20090156705A1
公开(公告)日：2009-06-18
申请号：US12314486
申请日：2008-12-11
申请人： Kenji Yoneyama , Kazushi Tanaka , Hiroyuki Hashiguchi , Akira Yamamoto , Koichi Ueda
发明人： Kenji Yoneyama , Kazushi Tanaka , Hiroyuki Hashiguchi , Akira Yamamoto , Koichi Ueda
IPC分类号： C08L83/06 , C08L53/00
CPC分类号： C09D183/10 , Y10T428/31504 , Y10T428/3154
摘要： The present invention provides a multi-layered object having a hard coat layer capable of improving anti-staining property, anti-staining durability, scratch resistance, abrasion resistance and the like. A multi-layered object comprising a hard coat layer and a light transmitting layer, wherein the hard coat layer is formed from a composition for hard coat comprising: an active energy ray-curable silicone-acrylic copolymer (A); and an active energy ray-curable polyfunctional compound (B), and wherein the active energy ray-curable silicone-acrylic copolymer (A) contains: a polysiloxane block (a-1), an acrylic block (a-2) containing an active energy ray-curable double bond group and a fluoroalkyl group-containing acrylic block (a-3).
摘要翻译：本发明提供一种具有能够提高抗污染性，抗污染耐久性，耐擦伤性，耐磨性等的硬涂层的多层物体。一种包含硬涂层和透光层的多层物体，其中所述硬涂层由用于硬涂层的组合物形成，包括：活性能量射线固化性硅氧烷 - 丙烯酸共聚物（A）; 和活性能量射线固化性多官能化合物（B），其中活性能量射线固化型有机硅 - 丙烯酸共聚物（A）含有：聚硅氧烷嵌段（a-1），含有活性成分的聚丙烯酸嵌段（a-2）能量射线固化性双键基团和含氟烷基的丙烯酸基团（a-3）。

10. 发明授权

US07338695B2 Method for evaluating optical information medium and optical information medium 有权
标题翻译：光信息介质和光信息介质评估方法
公开(公告)号：US07338695B2
公开(公告)日：2008-03-04
申请号：US11106436
申请日：2005-04-15
申请人： Hidetake Itoh , Kazushi Tanaka , Naoki Hayashida , Hiroshi Take
发明人： Hidetake Itoh , Kazushi Tanaka , Naoki Hayashida , Hiroshi Take
IPC分类号： B32B3/02
CPC分类号： G11B7/00375 , G01N13/02 , G11B7/2467 , G11B7/2542 , G11B7/259 , G11B7/268 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , G11B2007/25708 , G11B2007/25715
摘要： A simple method for evaluating an optical information medium by judging quantitatively and reproducibly the surface quality of the optical information medium by the use of an artificial fingerprint liquid as an evaluation dispersion liquid, is provided. An optical information medium having a remarkably excellent anti-staining property of the surface which is on the incident side of recording/reproducing beam is provided. A method for evaluating an optical information medium, comprising: adhering an artificial fingerprint liquid containing a fine-particle-form substance and a dispersion medium capable of dispersing the fine-particle-form substance onto the surface of the optical information medium which is on the incident side of a recording/reproducing beam; observing the state of the artificial fingerprint liquid droplets adhered to the surface; and judging the quality of the medium surface. For example, the quality of the medium surface is judged by: (1) Measurement of the area ratio of the surface occupied with the artificial fingerprint liquid droplets adhered per unit area of the surface; (2) Measurement of the diameter of the artificial fingerprint liquid droplets adhered to the surface; (3) Measurement of the number of the artificial fingerprint liquid droplets adhered per unit area of the surface; or (4) Measurement of the degree of roundness of the artificial fingerprint liquid droplets adhered to the surface.
摘要翻译：提供了一种用于通过使用人造指纹液作为评价分散液定量地且可再现地评估光学信息介质的表面质量来评估光学信息介质的简单方法。提供具有在记录/再现光束的入射侧的表面的非常优异的抗污染性的光学信息介质。一种用于评估光学信息介质的方法，包括：将含有细颗粒形式物质的人造指纹液和能够将细颗粒形式物质分散的分散介质粘附在光学信息介质的表面上记录/再现光束的入射侧; 观察附着在表面上的人造指纹液滴的状态; 并判断介质表面的质量。例如，介质表面的质量通过以下方式判断：（1）测量表面每单位面积附着的人造指纹液滴占据的面积的面积比; （2）测量附着在表面上的人造指纹液滴的直径; （3）每单位面积附着的人造指纹液滴的数量的测定; 或（4）测量附着在表面上的人造指纹液滴的圆度。

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