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公开(公告)号:US4476177A
公开(公告)日:1984-10-09
申请号:US313150
申请日:1981-10-20
申请人: Chiaki Mizuno , Goro Akashi
发明人: Chiaki Mizuno , Goro Akashi
CPC分类号: G11B23/26 , G11B5/41 , Y10S428/90 , Y10T428/254 , Y10T428/263 , Y10T428/264 , Y10T428/265
摘要: A magnetic tape having on at least one end thereof a leader tape that comprises a base one or both sides of which are coated with a cleaning layer. The cleaning layer contains a binder and a particulate organic polymer having a size of 0.1 to 20.mu., and the leader tape has a light transmittance of 40 to 95%.
摘要翻译: 一种磁带,其至少在其一端具有引导带,该引导带包括一个或两个侧面的基底,其上涂有清洁层。 清洁层含有粘合剂和尺寸为0.1〜20μm的粒状有机聚合物,导带的透光率为40〜95%。
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公开(公告)号:US4444838A
公开(公告)日:1984-04-24
申请号:US387129
申请日:1982-06-10
申请人: Yasuyuki Yamada , Goro Akashi , Nobuo Tsuji , Yoshito Mukaida
发明人: Yasuyuki Yamada , Goro Akashi , Nobuo Tsuji , Yoshito Mukaida
CPC分类号: C08G18/6484 , G11B5/7022 , Y10S428/90 , Y10T428/264 , Y10T428/265 , Y10T428/31609 , Y10T428/31826 , Y10T428/31931
摘要: A magnetic recording medium which comprises on a support base having coated thereon a magnetic layer containing a binder and a ferromagnetic fine powder dispersed in the binder is disclosed. The binder is comprised of a cellulose derivative having a residual OH group in a proportion of 7.5 to 40%, a diolefin or olefin series synthetic rubber and a polyisocyanate compound. The medium has excellent video sensitivity and video signal to noise ratio. The medium of the invention also have improved abrasion resistance.
摘要翻译: 公开了一种磁记录介质,其包括在其上涂覆有包含粘合剂的磁性层的支撑基底和分散在粘合剂中的铁磁细粉末。 粘合剂由具有7.5〜40%的残留OH基的纤维素衍生物,二烯烃或烯烃系合成橡胶和多异氰酸酯化合物构成。 该介质具有出色的视频灵敏度和视频信噪比。 本发明的介质也具有改善的耐磨性。
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公开(公告)号:US4388368A
公开(公告)日:1983-06-14
申请号:US286840
申请日:1981-07-27
申请人: Noburo Hibino , Goro Akashi
发明人: Noburo Hibino , Goro Akashi
CPC分类号: G11B5/738 , Y10S428/90 , Y10T428/265 , Y10T428/31518 , Y10T428/31616
摘要: The increased occurrence of jitter, wow, flutter, folding, and tendency to crumple of a magnetic recording medium when reducing the thickness of the support of the magnetic recording medium is effectively prevented by forming a thin glass layer on the base film for the magnetic recording medium.
摘要翻译: 通过在用于磁记录的基底膜上形成薄的玻璃层,可以有效地防止在减小磁记录介质的支持体的厚度时抖动,哇音,抖动,折叠和磁记录介质折叠的增加的发生 中。
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公开(公告)号:US4187341A
公开(公告)日:1980-02-05
申请号:US852574
申请日:1977-11-17
申请人: Masaaki Suzuki , Osamu Suzuki , Goro Akashi
发明人: Masaaki Suzuki , Osamu Suzuki , Goro Akashi
CPC分类号: G11B5/70 , Y10S428/90 , Y10T428/24942 , Y10T428/2495 , Y10T428/257 , Y10T428/266
摘要: In a magnetic recording tape having a total thickness of 4.0 to 14.5 microns, the base thickness to magnetic layer thickness ratio is from 2:3 to 3:2, the base Young's modulus to magnetic layer Young's modulus ratio is from 1:2 to 2:1 and the tensile strength at 0.5% elongation is .sqroot.d/16 Kg or more to the total thickness d (micron).
摘要翻译: 在总厚度为4.0至14.5微米的磁记录带中,基底厚度与磁性层厚度比为2:3至3:2,基体杨氏模量与磁性层杨氏模量比为1:2至2 :1,0.5%伸长时的拉伸强度为总厚度d(微米)的2ROOT d / 16Kg以上。
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公开(公告)号:US4085907A
公开(公告)日:1978-04-25
申请号:US777536
申请日:1977-03-14
申请人: Osamu Suzuki , Kengo Oishi , Goro Akashi , Kenji Sega
发明人: Osamu Suzuki , Kengo Oishi , Goro Akashi , Kenji Sega
IPC分类号: G11B23/087 , G11B23/10
CPC分类号: G11B23/08764
摘要: Elastic cushion sheets are interposed between friction sheets and the inner walls of the casing of a tape magazine to press the side faces of the tape convolutions. By the pressure of the elastic cushion sheets exerted on the side faces of the tape convolutions, the edges of the tape are effectively aligned in the convolutions.
摘要翻译: 弹性衬垫片介于摩擦片和胶带盒的壳体的内壁之间,以压紧带卷的侧面。 通过施加在带卷的侧面上的弹性缓冲片的压力,带的边缘在卷积中有效对准。
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公开(公告)号:US4076890A
公开(公告)日:1978-02-28
申请号:US403351
申请日:1973-10-04
申请人: Yasuyuki Yamada , Goro Akashi , Hiroshi Ogawa
发明人: Yasuyuki Yamada , Goro Akashi , Hiroshi Ogawa
CPC分类号: G11B5/712 , Y10S428/90 , Y10T428/25 , Y10T428/254 , Y10T428/256 , Y10T428/257 , Y10T428/258 , Y10T428/259 , Y10T428/266 , Y10T428/2995
摘要: A magnetic recording medium comprising a support having thereon a magnetizable recording layer containing a ferromagnetic powder dispersed in a binder, said magnetizable recording layer containing a silane coupling agent.
摘要翻译: 一种磁记录介质,包括其上具有分散在粘合剂中的铁磁性粉末的可磁化记录层的载体,所述可磁化记录层含有硅烷偶联剂。
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公开(公告)号:US3943012A
公开(公告)日:1976-03-09
申请号:US498337
申请日:1974-08-19
申请人: Yasuo Tamai , Masashi Aonuma , Matsuaki Nakamura , Hiroshi Agawa , Goro Akashi
发明人: Yasuo Tamai , Masashi Aonuma , Matsuaki Nakamura , Hiroshi Agawa , Goro Akashi
CPC分类号: G11B5/70615 , G11B5/70621
摘要: A magnetic recording medium for high density recording comprising a support having thereon a magnetic recording layer comprising a ferromagnetic metal powder of the Fe-Co-Cr-B system and having a coercive force of about 700 to 500 oersteds in the oriented direction of the magnetic substance and a residual magnetic flux density of about 1500 gausses or more, the residual magnetic flux density of which after storage for 160 hours under the conditions of a temperature of 60.degree.C and 90%RH is 85% or more of the initial value thereof before storage under these conditions in a binder. The magnetic recording medium is especially suitable for high density recording, having sufficient sensitivity and excellent resistance.
摘要翻译: 一种用于高密度记录的磁记录介质,包括其上具有包含Fe-Co-Cr-B系统的铁磁金属粉末的磁记录层的支撑体,并且在磁性方向上具有约700至500奥斯特的矫顽力 物质和约1500高斯或更高的剩余磁通密度,其在60℃和90%RH的温度条件下储存160小时后的剩余磁通密度为其初始值的85%或更多 在这些条件下在粘合剂中储存之前。 磁记录介质特别适用于高密度记录,具有足够的灵敏度和优异的电阻。
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公开(公告)号:US4490762A
公开(公告)日:1984-12-25
申请号:US472386
申请日:1983-03-10
申请人: Goro Akashi , Wataru Ueno
发明人: Goro Akashi , Wataru Ueno
摘要: A cleaning tape comprising a support having coated thereon a cleaning layer containing a binder and an organic polymer powder is disclosed.
摘要翻译: 公开了一种清洁带,其包括其上涂覆有包含粘合剂和有机聚合物粉末的清洁层的载体。
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公开(公告)号:US4397911A
公开(公告)日:1983-08-09
申请号:US276746
申请日:1981-06-24
申请人: Goro Akashi , Masaaki Fujiyama
发明人: Goro Akashi , Masaaki Fujiyama
CPC分类号: G11B23/50 , G11B5/41 , Y10S428/90 , Y10T428/25 , Y10T428/254 , Y10T428/256 , Y10T428/257 , Y10T428/258 , Y10T428/259 , Y10T428/266 , Y10T428/31786 , Y10T428/31797
摘要: Cleaning tape having a cleaning layer formed on one or both sides of a base is disclosed. Said cleaning layer is composed of (1) a binder, (2) an organic polymer powder whose particle size is 3.mu. or more, and (3) an inorganic solid powder whose particle size is 3.mu. or less.
摘要翻译: 公开了具有形成在基座的一侧或两侧上的清洁层的清洁带。 所述清洗层由(1)粘合剂,(2)粒径为3μm以上的有机聚合物粉末和(3)粒径为3μm以下的无机固体粉末构成。
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公开(公告)号:US4343831A
公开(公告)日:1982-08-10
申请号:US243666
申请日:1981-03-13
申请人: Nobuo Tsuji , Goro Akashi , Masaaki Fujiyama , Yasuyuki Yamada
发明人: Nobuo Tsuji , Goro Akashi , Masaaki Fujiyama , Yasuyuki Yamada
CPC分类号: G11B5/842 , G11B5/7026
摘要: A process for producing a magnetic recording medium is described comprising applying to a support a coating solution which has ferromagnetic particles dispersed in a solution comprising a binder curable by electron beams and a low-boiling point solvent, irradiating the support with electron beam radiation while the particles remain dispersed uniformly, and evaporating the solvent to dryness.
摘要翻译: 一种磁记录介质的制造方法,其特征在于,在支撑体上涂布具有分散在由电子束和低沸点溶剂固化的粘合剂的溶液中的铁磁性粒子的涂布液, 颗粒保持均匀分散,蒸发溶剂至干。
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