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公开(公告)号：US06916521B2
公开(公告)日：2005-07-12
申请号：US10021747
申请日：2001-12-13
IPC分类号： B32B27/40 , C08G18/08 , C08G18/66 , G11B5/41 , G11B23/03 , G11B23/04 , G11B23/50 , G11B5/733
CPC分类号： B32B27/40 , C08G18/0828 , C08G18/6607 , G11B5/41 , G11B23/0327 , G11B23/049 , G11B23/50 , Y10T428/24355 , Y10T428/24942 , Y10T428/25 , Y10T428/254 , Y10T428/27 , Y10T428/273 , Y10T428/277
摘要： A cleaning medium for a magnetic recording apparatus is disclosed, comprising a nonmagnetic support having provided thereon a lower coating layer mainly containing a nonmagnetic inorganic powder and a binder, and a cleaning layer containing at least a ferromagnetic inorganic powder and a binder provided on the lower coating layer, wherein the thickness of the cleaning layer is from 0.05 to 1.0 μm, the thickness of the lower coating layer is from 0.2 to 5.0 μm, the thickness of the support is from 2.0 to 10 μm, and the thickness in total of the cleaning medium (cleaning tape) is from 4.0 to 15 μm.
摘要翻译： 公开了一种用于磁记录装置的清洁介质，包括：非磁性载体，其上设置有主要包含非磁性无机粉末和粘合剂的下涂层，以及至少含有铁磁性无机粉末和粘合剂的清洗层， 涂层，其中清洁层的厚度为0.05-1.0μm，下涂层的厚度为0.2-5.0μm，载体的厚度为2.0-10μm，总厚度为 清洁介质（清洁带）为4.0〜15μm。
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公开(公告)号：US06228461B1
公开(公告)日：2001-05-08
申请号：US09259290
申请日：1999-03-01
IPC分类号： G11B5735
CPC分类号： G11B5/7305 , G11B5/735 , Y10S428/90 , Y10T428/24 , Y10T428/24975 , Y10T428/25 , Y10T428/265 , Y10T428/31786
摘要： A magnetic recording tape favorably employable for recording computer data is composed of a support, and on one side of the support, a non-magnetic layer composed of a non-magnetic powder and a binder, and a magnetic recording layer composed of a ferromagnetic powder and a binder superposed in order, and on the other side, a back-coating layer containing carbon black, in which the magnetic recording tape has a lateral thermal expansion coefficient of not more than 0.0015%/° C., a lateral humidity expansion coefficient of not more than 0.0015%/% RH, a longitudinal offset proof stress of not less than 10 N, and a longitudinal breaking strength of not less than 30 N.
摘要翻译： 适用于记录计算机数据的磁记录带由支撑体构成，并且在支撑体的一侧由非磁性粉末和粘合剂组成的非磁性层和由铁磁性粉末组成的磁记录层 和粘合剂，其另一侧是含有炭黑的背涂层，其中磁记录带的横向热膨胀系数不大于0.0015％/℃，横向湿度膨胀系数 不大于0.0015％/％RH，纵向抗弯曲应力不小于10N，纵向断裂强度不小于30N。
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3.发明授权公开(公告)号：US06881474B2
公开(公告)日：2005-04-19
申请号：US10206201
申请日：2002-07-29
CPC分类号： G11B5/78 , B32B5/16 , G11B5/70 , G11B5/7305 , G11B5/735 , Y10T428/24975 , Y10T428/25 , Y10T428/265 , Y10T428/266 , Y10T428/31935
摘要： A magnetic tape favorably employable for recording computer data, comprising a support web, a magnetic layer and a back-coat layer and having a thickness of 3 to 10 μm, should have a curl having a radius of curvature of greater than 10 mm in its longitudinal direction and a curl having a radius of curvature of greater than 40 mm in its width direction, wherein the curl in the width direction gives a convex surface on the side of the magnetic layer.
摘要翻译： 适于用于记录计算机数据的磁带，其包括支撑腹板，磁性层和背涂层并且具有3至10μm的厚度，应具有其曲率半径大于10mm的卷曲 纵向方向和在其宽度方向上具有大于40mm的曲率半径的卷曲，其中宽度方向上的卷曲在磁性层的侧面形成凸面。
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4.发明授权
公开(公告)号：US5888637A
公开(公告)日：1999-03-30
申请号：US869314
申请日：1997-06-05
申请人： Yutaka Kakuishi , Satoru Hayakawa , Toru Nakao
发明人： Yutaka Kakuishi , Satoru Hayakawa , Toru Nakao
CPC分类号： G11B5/738 , G11B5/70 , G11B5/7305 , G11B5/735 , Y10S428/90 , Y10T428/24975 , Y10T428/25 , Y10T428/257 , Y10T428/265
摘要： A magnetic recording tape favorably employable for computer data storage has a flexible polymer web, a magnetic recording layer arranged on one surface side of the web via a non-magnetic undercoating layer, and a back-coating layer arranged on another surface side of the web, wherein the magnetic recording tape has a thickness of not more than 8 .mu.m; the non-magnetic undercoating layer has a thickness of 0.5 to 2.0 .mu.m; the magnetic recording layer has a thickness of 0.5 to 1.0 .mu.m; the polymer web has a Young's modules of not lower than 700 kg/mm.sup.2 in its width direction; and the back-coating layer is made of a binder polymer, a carbon black and an inorganic material powder.
摘要翻译： 适用于计算机数据存储的磁记录带具有柔性聚合物网，通过非磁性底涂层布置在网的一个表面侧的磁记录层，以及布置在网的另一表面侧上的背涂层 ，其中所述磁记录带的厚度不大于8μm; 非磁性底涂层的厚度为0.5〜2.0μm; 磁记录层的厚度为0.5〜1.0μm; 聚合物纤维网在其宽度方向上具有不低于700kg / mm2的杨氏模块; 背涂层由粘合剂聚合物，炭黑和无机材料粉末制成。
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公开(公告)号：US20060289335A1
公开(公告)日：2006-12-28
申请号：US11453978
申请日：2006-06-16
申请人： Yutaka Kakuishi , Katsumi Ryoke , Katsuhiko Meguro
发明人： Yutaka Kakuishi , Katsumi Ryoke , Katsuhiko Meguro
IPC分类号： B65D79/00
CPC分类号： G11B5/84
摘要： A manufacturing method of a tape-form recoding medium in the present invention includes a raw web manufacturing process of forming a data recoding layer on one side of a substrate and a back coat layer having a minute convexity on the other side thereof, and thus manufacturing raw web of the tape-form recoding medium; a raw web winding process of winding the raw web with a predetermined tension; a raw web rewinding process of rewinding the raw web; and a raw web heating process of heating the rewound raw web.
摘要翻译： 本发明的带状记录介质的制造方法包括在基板的一面上形成数据记录层的原纸幅制造工序和在其另一面上具有微小凸起的背涂层，由此制造 带状记录介质的原始网页; 以预定张力卷绕原料纤维网的原料卷绕过程; 将卷筒纸重绕的原料卷筒纸卷绕过程; 以及加热回卷的原料网的原料网加热过程。
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公开(公告)号：US5904979A
公开(公告)日：1999-05-18
申请号：US602567
申请日：1996-02-14
申请人： Yutaka Kakuishi , Kenichi Masuyama , Kiyomi Ejiri
发明人： Yutaka Kakuishi , Kenichi Masuyama , Kiyomi Ejiri
CPC分类号： G11B5/738 , G11B5/712 , Y10S428/90 , Y10S977/932 , Y10T428/265 , Y10T428/2991 , Y10T428/31935
摘要： (1) A magnetic recording system is disclosed, which comprises a thin-film magnetic head and a magnetic recording medium comprising a nonmagnetic support having thereon a magnetic layer comprising mainly ferromagnetic particles and a binder resin, wherein said binder resin comprising mainly a vinyl chloride resin, and said ferromagnetic particles are surface-treated with at least an organic compound. (2) Another magnetic recording system is disclosed, which comprises a thin-film magnetic head and a magnetic recording medium comprising a nonmagnetic support, a nonmagnetic layer comprising mainly inorganic nonmagnetic particles and a binder resin over the nonmagnetic support, and a magnetic layer comprising mainly ferromagnetic metal particles and a binder resin over the nonmagnetic layer, wherein said binder resins in said magnetic and nonmagnetic layers each comprises mainly a vinyl chloride resin, said ferromagnetic metal particles are surface-treated with at least an organic compound, and said magnetic layer has a thickness of from 0.05 to 1.0 .mu.m.
摘要翻译： （1）公开了一种磁记录系统，其包括薄膜磁头和磁记录介质，该磁记录介质包括其上具有主要包含铁磁颗粒和粘合剂树脂的磁性层的非磁性载体，其中所述粘合剂树脂主要包含氯乙烯 树脂，并且所述铁磁颗粒用至少一种有机化合物进行表面处理。 （2）公开了另一种磁记录系统，其包括薄膜磁头和包括非磁性载体的磁记录介质，主要包含无磁性非磁性颗粒的非磁性层和在非磁性载体上的粘合剂树脂，以及包括 主要是非磁性层上的铁磁金属颗粒和粘合剂树脂，其中所述磁性和非磁性层中的所述粘合剂树脂主要包含氯乙烯树脂，所述强磁性金属颗粒用至少一种有机化合物进行表面处理，并且所述磁性层 厚度为0.05〜1.0μm。
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7.发明授权Magnetic recording medium having a magnetic layer containing ferromagnetic metal powder, binder, fatty acid ester, and a specified branched chain fatty acid 失效具有含有铁磁金属粉末，粘合剂，脂肪酸酯和特定支链脂肪酸的磁性层的磁记录介质
公开(公告)号：US5212019A
公开(公告)日：1993-05-18
申请号：US940733
申请日：1992-09-08
申请人： Katsumi Ryoke , Yutaka Kakuishi , Masaki Suzuki
发明人： Katsumi Ryoke , Yutaka Kakuishi , Masaki Suzuki
CPC分类号： G11B5/7028 , G11B5/71 , Y10S428/90
摘要： A magnetic recording medium in which the generation of white powder is suppressed, which recording medium maintains an appropriate running tension and exhibits a reduced level of dropouts and head clogging, comprising a non-magnetic support having thereon a magnetic layer, the magnetic layer containing a ferromagnetic powder and a binder, the ferromagnetic powder is a ferromagnetic metal powder and the magnetic layer contains a branched chain fatty acid represented by formula (I):R.sub.2 CH(CH.sub.2).sub.m COOH (I)wherein R represents CH.sub.3 (CH.sub.2).sub.n, n represents an integer of 8 or more, and m represents 0 or 1 in an amount of from 0.5 to 3 parts by weight per 100 parts by weight of said ferromagnetic metal powder.
摘要翻译： 其中抑制了白色粉末的产生的磁记录介质，该记录介质保持适当的运行张力并且表现出降低的压差和头部堵塞水平，包括其上具有磁性层的非磁性载体，该磁性层含有 铁磁粉末和粘合剂，铁磁性粉末是强磁性金属粉末，磁性层含有由式（I）表示的支链脂肪酸：R2CH（CH2）mCOOH（Ⅰ），其中R表示CH3（CH2）n，n表示 8个以上的整数，m表示0或1，相对于所述铁磁性金属粉末为100重量份，为0.5〜3重量份。
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公开(公告)号：US5196265A
公开(公告)日：1993-03-23
申请号：US772748
申请日：1991-10-07
CPC分类号： G11B5/7305 , Y10S428/90 , Y10T428/12931 , Y10T428/12937 , Y10T428/26 , Y10T428/31786
摘要： A magnetic recording medium comprising a non-magnetic support having thereon a magnetic layer containing a ferromagnetic powder and a binder, the non-magnetic support comprising polyethylene naphthalate in which Young's modulus in the transversal direction is at least 700 kg/mm.sup.2 and Young's modulus in the mechanical direction is less than 800 kg/mm.sup.2, the ferromagnetic powder being magnetic metal powder, and the total thickness of the magnetic recording material being not more than 11 .mu.m.
摘要翻译： 一种磁记录介质，包括其上具有含有铁磁性粉末和粘合剂的磁性层的非磁性载体，所述非磁性载体包含聚萘二甲酸乙二醇酯，其中横向的杨氏模量为至少700kg / mm 2，杨氏模量为 机械方向小于800kg / mm2，铁磁粉末为磁性金属粉末，磁记录材料的总厚度不大于11μm。
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公开(公告)号：US20070087170A1
公开(公告)日：2007-04-19
申请号：US11580914
申请日：2006-10-16
IPC分类号： B32B23/02
CPC分类号： G11B15/66 , G11B5/84 , Y10T428/24777
摘要： A manufacturing method of a tape for manufacturing a curved tape curving in the width direction along the longitudinal direction of the tape, wherein, in a cutting process which cuts an original tape with a wide width into a plurality of tapes with a predetermined width by continuously passing the original tape between a rotary blade and a rotary bed knife having a receiving portion for receiving the rotary blade, an edge which has a shorter edge length between both edges in the width direction of the tape is to become a cut side by being pushed into the receiving portion of the rotary bed knife.
摘要翻译： 一种用于制造沿带的纵向在宽度方向上弯曲的弯曲带的带的制造方法，其中，在将具有宽宽度的原始带以连续的方式切割成预定宽度的多个带的切割过程中 将原始带材转动在具有用于接收旋转刀片的接收部分的旋转刀片和旋转床刀之间，沿着带的宽度方向在两个边缘之间具有较短边缘长度的边缘通过被推动成为切割侧 进入旋转床刀的接收部分。
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公开(公告)号：US4844991A
公开(公告)日：1989-07-04
申请号：US38176
申请日：1987-04-14
CPC分类号： G11B5/72 , Y10S428/90
摘要： A magnetic recording medium comprising a nonmagnetic support, a magnetic recording layer provided on the support which comprises a binder and a ferromagnetic powder dispersed therein, and a monomolecular film or a built-up film provided on the magnetic recording layer. The monomolecular or built-up film comprises a saturated fatty acid having 10-24 carbon atoms and/or its alkali metal salt which is oriented vertically to the plane of the film. A process for the preparation of the same is also disclosed.
摘要翻译： 包括非磁性载体的磁记录介质，设置在载体上的磁记录层，其包含粘合剂和分散在其中的铁磁性粉末，以及设置在磁记录层上的单分子膜或积层膜。 单分子或叠层膜包含具有10-24个碳原子的饱和脂肪酸和/或其垂直于膜的平面取向的碱金属盐。 还公开了其制备方法。
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