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公开(公告)号：US09711174B2
公开(公告)日：2017-07-18
申请号：US14757555
申请日：2015-12-24
申请人： FUJIFILM CORPORATION
CPC分类号： G11B5/71 , G11B5/7305 , G11B5/78 , G11B5/8404 , G11B5/842
摘要： Provided is a magnetic tape, which comprises, on a nonmagnetic support, a nonmagnetic layer comprising nonmagnetic powder and binder, and on the nonmagnetic layer, a magnetic layer comprising ferromagnetic powder and binder; wherein a total thickness of the magnetic tape is less than or equal to 4.80 μm; at least the magnetic layer comprises one or more components selected from the group consisting of a fatty acid and a fatty acid amide; and a C—H derived carbon, C, concentration calculated from a C—H peak area ratio in a C1s spectrum obtained by X-ray photoelectron spectroscopy conducted at a photoelectron take-off angle of 10 degrees on a surface on the magnetic layer side of the magnetic tape is greater than or equal to 45 atom %.
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公开(公告)号：US20130260179A1
公开(公告)日：2013-10-03
申请号：US13838996
申请日：2013-03-15
申请人： FUJIFILM CORPORATION
发明人： Norihito KASADA , Masahide SATO , Isamu WATANABE
CPC分类号： G11B5/7085 , G11B5/70 , G11B5/7013 , G11B5/842
摘要： An aspect of the present invention relates to a magnetic recording medium, which comprises a nonmagnetic layer containing a nonmagnetic powder and a binder and a magnetic layer containing a ferromagnetic powder and a binder in this order on a nonmagnetic support, wherein the nonmagnetic layer has a thickness of equal to or less than 300 nm; a composite elastic modulus as measured on a surface of the magnetic layer ranges from 6.0 to 8.0 GPa; the magnetic layer comprises an abrasive with a specific surface area by BET method ranging from 14 m2/g to 40 m2/g; and a surface abrasive occupancy on a surface of the magnetic layer ranges from 0.2% to 2%.
摘要翻译： 本发明的一个方面涉及一种磁记录介质，其在非磁性载体上依次包括含有非磁性粉末和粘合剂的非磁性层和含有铁磁粉末和粘合剂的磁性层，其中非磁性层具有 等于或小于300nm的厚度; 在磁性层表面测得的复合弹性模量为6.0-8.0GPa; 磁性层包括通过BET法测量的比表面积为14m 2 / g至40m 2 / g的研磨剂; 在磁性层的表面上的表面磨料占有率为0.2％〜2％。
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公开(公告)号：US20110290178A1
公开(公告)日：2011-12-01
申请号：US13116941
申请日：2011-05-26
申请人： Futoshi SHIMAI , Akihiko SATO , Tsutomu SAHODA , Kenji MARUYAMA
发明人： Futoshi SHIMAI , Akihiko SATO , Tsutomu SAHODA , Kenji MARUYAMA
CPC分类号： B05C5/02 , B05B13/02 , B05B13/0228 , B05B13/0278 , B05C9/04 , B05D1/002 , B05D1/26 , B05D3/007 , G11B5/842 , H01L21/67051 , H01L21/67155
摘要： Provided is a coating device including: a substrate carrying unit which rotatably holds a substrate while the substrate is upright and is able to dispose the held substrate at a first position and a second position; an application unit which includes a liquid material nozzle ejecting a liquid material to each of first and second surfaces of the substrate disposed at the first position; and a removal unit which includes an accommodation mechanism accommodating a part of the peripheral edge portion of the substrate disposed at the second position and a cleaning liquid ejection mechanism ejecting a cleaning liquid to the peripheral edge portion and removes the liquid material of the peripheral edge portion.
摘要翻译： 本发明提供一种涂布装置，包括：基板承载单元，其在基板竖立时可旋转地保持基板，并且能够将保持的基板设置在第一位置和第二位置; 应用单元，其包括将液体材料喷射到布置在第一位置的基板的第一和第二表面中的液体材料喷嘴; 以及拆卸单元，其包括容纳机构，该容纳机构容纳设置在第二位置的基板的周缘部的一部分，以及清洗液喷出机构，其向周缘部喷射清洗液，除去周缘部的液体材料 。
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公开(公告)号：US20110229740A1
公开(公告)日：2011-09-22
申请号：US13048624
申请日：2011-03-15
CPC分类号： G11B5/842 , G11B5/7026 , G11B5/738
摘要： An aspect of the present invention relates to a magnetic tape comprising a nonmagnetic layer containing a nonmagnetic powder and a binder and a magnetic layer containing a ferromagnetic powder and a binder in this order on a nonmagnetic support. The nonmagnetic layer is a radiation-cured layer formed by curing with radiation a given radiation-curable composition. The nonmagnetic layer has a thickness ranging from 0.5 to 1.3 μm. The relation between the nonmagnetic powder and the binder component contained in the radiation-curable composition satisfies equation (I): 480≦(BET specific surface area of the nonmagnetic powder (m2/g)×weight of the nonmagnetic powder (g))/weight of the binder component (g)≦650 (I).
摘要翻译： 本发明的一个方面涉及一种在非磁性载体上依次包含含有非磁性粉末和粘合剂的非磁性层和含有铁磁粉末和粘合剂的磁性层的磁带。 非磁性层是通过用给定的可辐射固化组合物的辐射固化形成的辐射固化层。 非磁性层的厚度范围为0.5〜1.3μm。 可辐射固化组合物中所含的非磁性粉末与粘合剂成分之间的关系满足式（I）：480＆nlE;（非磁性粉末的BET比表面积（m2 / g）×非磁性粉末重量（g））/ 粘合剂组分（g）＆amp; 650;（I）的重量。
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5.发明申请COATER OF ELECTRIC INSULATING SHEET AND METHOD FOR PRODUCING ELECTRIC INSULATING SHEET WITH COATED FILM 失效电绝缘膜及其制造方法，用电绝缘膜制作电绝缘片公开(公告)号：US20090324842A1
公开(公告)日：2009-12-31
申请号：US11911315
申请日：2006-04-05
申请人： Harumi Tanaka , Yutaka Nishimori , Hiroyuki Inoue
发明人： Harumi Tanaka , Yutaka Nishimori , Hiroyuki Inoue
CPC分类号： B05C5/0254 , B05C1/08 , B05C9/04 , B05C9/10 , B05C11/025 , B05D3/14 , B05D7/04 , B05D2252/10 , G03C1/74 , G11B5/842
摘要： A coater for coating an electric insulating sheet with coating liquid while sustaining an identical charging polarity of the insulating sheet and the coating liquid in a process for coating one surface of a traveling electric insulating sheet with coating liquid, and a method for producing a coated electric insulating sheet. In order to sustain an identical charging polarity of the insulating sheet and the coating liquid, the coater comprises any one or both of a sheet charger for imparting electrostatic charges to one surface of the electric insulating sheet and a coating liquid charger for imparting electrostatic charges to the coating liquid.
摘要翻译： 一种用涂布液涂覆电绝缘片的涂布机，同时在用涂布液涂覆行走电绝缘片的一个表面的工艺中，同时在绝缘片和涂布液的同时充电极性保持相同的充电极性，以及涂覆电气的制造方法 绝缘片。 为了维持绝缘片和涂布液的相同的充电极性，涂布机包括用于向电绝缘片的一个表面施加静电荷的片状充电器中的任何一种或两种，以及用于赋予静电电荷的涂布液充电器 涂布液体。
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公开(公告)号：US20090297734A1
公开(公告)日：2009-12-03
申请号：US12537471
申请日：2009-08-07
申请人： Koji NAOE
发明人： Koji NAOE
IPC分类号： B05D5/00
CPC分类号： G11B5/70 , G11B5/70678 , G11B5/7085 , G11B5/714 , G11B5/842
摘要： A magnetic recording medium, which comprises: a nonmagnetic support; and a magnetic layer comprising a ferromagnetic powder and a binder, wherein an average surface roughness (Ra) at a center of a surface of the magnetic layer measured by using an atomic force microscope (AFM) is 2 nm or less, the maximum height (Rmax) thereof is 50 nm or less, and an arithmetic average of phase difference between a drive signal and a response signal of a probe measured with the atomic force microscope in a tapping mode is from 2 to 20°, and a method of producing the same.
摘要翻译： 一种磁记录介质，包括：非磁性载体; 以及包含铁磁粉末和粘合剂的磁性层，其中通过使用原子力显微镜（AFM）测量的磁性层表面的中心处的平均表面粗糙度（Ra）为2nm以下，最大高度 Rmax）为50nm以下，并且利用原子力显微镜在攻丝模式中测量的探针的驱动信号与响应信号之间的相位差的算术平均值为2〜20°， 相同。
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公开(公告)号：US07591905B2
公开(公告)日：2009-09-22
申请号：US11760293
申请日：2007-06-08
申请人： Gilles Picard , Juan Schneider
发明人： Gilles Picard , Juan Schneider
IPC分类号： B05C3/02
CPC分类号： G11B5/842 , B01D69/122 , B05D1/00 , B05D1/204
摘要： A method and an apparatus (10) for making thin layers from particles, wherein the particles are deposited on a carrier fluid flowing by gravity along a ramp (12) leading to a dam (18). The particles are held back at the bottom of the ramp (12), thereby causing the particles to be piled up one against the other in a monolayer configuration.
摘要翻译： 一种用于从颗粒制造薄层的方法和装置（10），其中所述颗粒沉积在通过重力沿着通向坝（18）的斜坡（12）流动的载体流体上。 颗粒被保持在斜面（12）的底部，从而使颗粒以单层构造堆叠成一个彼此。
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8.发明授权Magnetic recording medium including a smooth coating layer on one side of the support 有权磁性记录介质包括在载体一侧的光滑涂层公开(公告)号：US07344786B2
公开(公告)日：2008-03-18
申请号：US10282145
申请日：2002-10-29
IPC分类号： G11B5/70
CPC分类号： G11B5/738 , G11B5/70 , G11B5/7026 , G11B5/842 , Y10T428/31786
摘要： A magnetic recording medium comprising a support having provided thereon a magnetic layer, wherein a smooth coating layer having a thickness of from 0.10 to 1 μm, surface roughness of 5 nm or less, and 20 or less per 900 μm2 of the protrusions having a height of 20 nm or more measured by an interatomic force microscope (AFM) is provided on the surface of at least one side of the support. And a method for producing a magnetic recording medium comprising a support having provided thereon a magnetic layer, which comprises providing a smooth coating layer having a thickness of from 0.10 to 1 μm, surface roughness of 5 nm or less, and 20 or less per 900 μm2 of the protrusions having a height of 20 nm or more measured by an interatomic force microscope (AFM) on the surface of at least one side of the support, and forming at least the magnetic layer on the smooth coating layer without performing rolling-up operation.
摘要翻译： 一种磁记录介质，包括在其上设置有磁性层的支撑体，其中厚度为0.10至1μm，表面粗糙度为5nm或更小的平滑涂层以及每900μm2的20μm或更小的光滑涂层， 通过原子力显微镜（AFM）测量的具有20nm或更高的高度的突起的SUP>提供在支撑体的至少一侧的表面上。 以及一种用于制造磁记录介质的方法，所述磁记录介质包括其上设置有磁性层的载体，其包括提供厚度为0.10-1μm的光滑涂层，表面粗糙度为5nm以下，每900个为20个以下 通过原子力显微镜（AFM）在支撑体的至少一侧的表面上测量的具有20nm或更高的高度的突起的2μm以上，并且至少在该支撑体的至少一个面上形成磁性层 光滑的涂层，不进行卷起操作。
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公开(公告)号：US20080003378A1
公开(公告)日：2008-01-03
申请号：US11479786
申请日：2006-06-30
IPC分类号： H01F1/00
CPC分类号： G11B5/842
摘要： Producing magnetic-recording media includes providing a substrate and forming a plurality of functional layers over the substrate to provide a coated substrate adapted for recording. At least one of the layers of the magnetic-recording media is fluid jet printed as a printed layer. In some embodiments, the printed layer provides at least one of load-bearing functionality, head-cleaning functionality, adhesion-promoting functionality, reaction-promoting functionality, lubricating functionality, surface-cleansing functionality, magnetic-recording functionality, and edge-finishing functionality.
摘要翻译： 生产磁记录介质包括提供衬底并在衬底上形成多个功能层以提供适于记录的涂覆衬底。 磁记录介质的至少一层是流体喷射印刷为印刷层。 在一些实施方案中，印刷层提供承载功能，头部清洁功能，粘合促进功能，促进反应的功能，润滑功能，表面清洁功能，磁记录功能和边缘修整功能中的至少一个 。
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公开(公告)号：US20070231471A1
公开(公告)日：2007-10-04
申请号：US11727326
申请日：2007-03-26
申请人： Katsuhiko Yamazaki , Tsutomu Ide
发明人： Katsuhiko Yamazaki , Tsutomu Ide
IPC分类号： B05D5/12
CPC分类号： G11B5/842
摘要： A method for manufacturing a magnetic recording medium is provided which has high recording density and which is less likely to cause problems of a magnetic tape such as inappropriate contact with a head, unstable running, and damage. A back-coat layer containing plate-like inorganic pigment (plate-like inorganic pigment-containing layer) is formed over a non-magnetic support to produce an intermediate product having the support and the back-coat layer. Then, the intermediate product is subjected to calendering between at least one pair of metal rolls.
摘要翻译： 提供一种制造磁记录介质的方法，其具有高记录密度，并且不太可能引起诸如与头部不适当的接触，运行不稳定和损坏等磁带的问题。 在非磁性载体上形成含有板状无机颜料（板状无机颜料含有层）的背涂层，制造具有载体和背涂层的中间产品。 然后，使中间产品在至少一对金属辊之间进行压延。
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