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公开(公告)号：US06936328B2
公开(公告)日：2005-08-30
申请号：US10395275
申请日：2003-03-25
申请人： Satoru Hayakawa , Yuichiro Murayama
发明人： Satoru Hayakawa , Yuichiro Murayama
CPC分类号： G11B5/738 , G11B5/70 , G11B5/7026 , Y10T428/24355 , Y10T428/25 , Y10T428/2982
摘要： A magnetic recording medium comprising: a support; a subbing layer comprising a radiation-curable resin; a nonmagnetic layer comprising a nonmagnetic powder and a binder; and at least one magnetic layer comprising a ferromagnetic powder and a binder, in this order, wherein the subbing layer has a thickness of from 0.05 to 1.0 μm, and the nonmagnetic powder has an average acicular ratio of 8 or more and has a form of a raft.
摘要翻译： 一种磁记录介质，包括：支撑体; 包含辐射固化树脂的底层; 包含非磁性粉末和粘合剂的非磁性层; 以及包含铁磁粉末和粘合剂的至少一个磁性层，其中所述底层具有0.05至1.0μm的厚度，并且所述非磁性粉末的平均针状比为8或更大，并且具有 筏子
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公开(公告)号：US20050214595A1
公开(公告)日：2005-09-29
申请号：US11091401
申请日：2005-03-29
申请人： Satoru Hayakawa
发明人： Satoru Hayakawa
IPC分类号： G11B5/627 , B32B1/00 , G11B5/70 , G11B23/02 , G11B23/037 , G11B23/107 , G11B23/26
CPC分类号： G11B23/037 , G11B23/107 , G11B23/26 , Y10T428/31
摘要： A leader tape comprising a support and a coating layer containing powder and a binder, wherein at least one surface of the leader tape has a center line average surface roughness (Ra) of from 10 to 60 nm, and depression hardness (DH) defined by the following equation (1) of from 60 to 140 kg/mm2 (0.588 to 1.372 GPa): DH=3.7926×10−2[Pmax/(Hmax)2](kg/mm2) (1) wherein Pmax is a maximum load and Hmax is a maximum displacement amount of an indenter.
摘要翻译： 一种引导带，其包括载体和包含粉末和粘合剂的涂层，其中引带的至少一个表面具有10至60nm的中心线平均表面粗糙度（Ra），以及由10至60nm定义的凹陷硬度（DH） 下列公式（1）为60至140kg / mm 2（0.588至1.372GPa）：<？在线公式描述=“在线公式”end =“lead”？ > DH = 3.7926×10 -2 [Pmax /（Hmax）2]（kg / mm 2）（1）<？ -formulae description =“In-line Formulas”end =“tail”？>其中Pmax是最大载荷，Hmax是压头的最大位移量。
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公开(公告)号：US5958565A
公开(公告)日：1999-09-28
申请号：US848596
申请日：1997-04-28
CPC分类号： G11B5/7305 , G11B5/70 , G11B5/733 , G11B5/735 , Y10S428/90 , Y10T428/24975 , Y10T428/25 , Y10T428/258 , 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, and a backing layer arranged on another surface side of the web, characterized in that the recording tape has a thickness of 2 to 8 .mu.m and shows a Young's modulus of not less than 1,200 kg/mm.sup.2 in its longitudinal direction; and the backing layer has a thickness of 0.2 to 1 .mu.m and is composed of a binder, a carbon black, a non-magnetic powder I having Mohs' scale of hardness of 3 to 4.5 and another non-magnetic powder II having Mohs' scale of hardness of 5 to 9. Between the magnetic layer and the flexible polymer web, a non-magnetic undercoating layer composed of a binder and a non-magnetic powder can be provided.
摘要翻译： 有利地用于计算机数据存储的磁记录带具有柔性聚合物网，布置在网的一个表面侧的磁记录层和布置在网的另一表面侧上的背衬层，其特征在于记录带具有 厚度为2〜8μm，纵向杨氏模量为1200kg / mm2以上。 背衬层的厚度为0.2〜1μm，由粘合剂，炭黑，莫氏硬度为3〜4.5的非磁性粉末I和具有Mohs' 在硬磁性层和柔性聚合物网之间，可以提供由粘合剂和非磁性粉末组成的非磁性底涂层。
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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：US5827600A
公开(公告)日：1998-10-27
申请号：US760199
申请日：1996-12-04
申请人： Kiyomi Ejiri , Hiroo Inaba , Shinji Saito , Satoru Hayakawa
发明人： Kiyomi Ejiri , Hiroo Inaba , Shinji Saito , Satoru Hayakawa
CPC分类号： G11B5/70 , G11B5/716 , G11B5/733 , G11B5/738 , G11B5/842 , G11B5/848 , Y10S428/90 , Y10T428/24355 , Y10T428/25 , Y10T428/265
摘要： A magnetic recording medium is disclosed, comprising a non-magnetic support having provided thereon at least a lower non-magnetic layer comprising a binder having dispersed therein a non-magnetic powder and an upper magnetic layer comprising a binder having dispersed therein a ferromagnetic powder which has been coated on said lower non-magnetic layer while the lower non-magnetic layer is wet, wherein the upper magnetic layer has an average dry thickness (d) of not more than 1.0 .mu.m and an average thickness variation (.sup..DELTA. d) at the interface between the upper magnetic layer and lower non-magnetic layer is not more than d/2. The magnetic recording medium exhibits excellent electromagnetic characteristics, running properties, and durability.
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公开(公告)号：US5795646A
公开(公告)日：1998-08-18
申请号：US763620
申请日：1996-12-04
申请人： Kiyomi Ejiri , Hiroo Inaba , Shinji Saito , Satoru Hayakawa
发明人： Kiyomi Ejiri , Hiroo Inaba , Shinji Saito , Satoru Hayakawa
CPC分类号： G11B5/848 , G11B5/70 , G11B5/716 , G11B5/733 , G11B5/738 , G11B5/842 , Y10S428/90 , Y10T428/12472 , Y10T428/24355 , Y10T428/24942 , Y10T428/25 , Y10T428/253 , Y10T428/256 , Y10T428/257 , Y10T428/258 , Y10T428/259 , Y10T428/265 , Y10T428/269 , Y10T428/31551 , Y10T428/31721 , Y10T428/31855
摘要： A magnetic recording medium is disclosed, comprising a non-magnetic support having provided thereon at least a lower non-magnetic layer comprising a binder having dispersed therein a non-magnetic powder and an upper magnetic layer comprising a binder having dispersed therein a ferromagnetic powder which has been coated on said lower non-magnetic layer while the lower non-magnetic layer is wet, wherein the upper magnetic layer has an average dry thickness (d) of not more than 1.0 .mu.m and an average thickness variation (.sup..DELTA. d) at the interface between the upper magnetic layer and lower non-magnetic layer is not more than d/2. The magnetic recording medium exhibits excellent electromagnetic characteristics, running properties, and durability.
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公开(公告)号：US4851027A
公开(公告)日：1989-07-25
申请号：US157712
申请日：1988-02-19
IPC分类号： C05G3/00
CPC分类号： C05G3/0029
摘要： By coating a solid fertilizer with a coating material comprising an aqueous emulsion of resin as the main component to form a resin film having a glass transition temperature of 60.degree. C. or higher; or by coating a solid fertilizer with a coating material comprising an aqueous emulsion of a thermoplastic resin and a melamine resin, and heating the coated fertilizer at 70.degree. C. or higher; a gradually-effective, coated fertilizer having a distinguished gradual releasability and strong resistance to caking, which have been so far regarded as difficult to be obtained in an aqueous emulsion system, can be prepared.
摘要翻译： 通过用包含树脂的水性乳液作为主要成分的涂料涂覆固体肥料，以形成玻璃化转变温度为60℃或更高的树脂膜; 或通过用包含热塑性树脂和三聚氰胺树脂的水性乳液的涂料涂覆固体肥料，并在70℃或更高温度下加热涂覆的肥料; 可以制备在水性乳液体系中被认为是难以获得的具有显着的逐渐脱模性和耐结块性的逐渐有效的包覆肥料。
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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：US6020022A
公开(公告)日：2000-02-01
申请号：US846094
申请日：1997-04-25
申请人： Kiyomi Ejiri , Hiroo Inaba , Shinji Saito , Satoru Hayakawa
发明人： Kiyomi Ejiri , Hiroo Inaba , Shinji Saito , Satoru Hayakawa
CPC分类号： G11B5/848 , G11B5/70 , G11B5/716 , G11B5/733 , G11B5/738 , G11B5/842 , Y10S428/90 , Y10T428/12472 , Y10T428/24355 , Y10T428/24942 , Y10T428/25 , Y10T428/253 , Y10T428/256 , Y10T428/257 , Y10T428/258 , Y10T428/259 , Y10T428/265 , Y10T428/269 , Y10T428/31551 , Y10T428/31721 , Y10T428/31855
摘要： A magnetic recording medium is disclosed, comprising a non-magnetic support having provided thereon at least a lower non-magnetic layer comprising a binder having dispersed therein a non-magnetic powder and an upper magnetic layer comprising which has been coated on said lower non-magnetic layer while the lower non-magnetic layer is wet or in a dry state, wherein the coating solution for the lower non-magnetic layer having a thixotropic property and the lower non-magnetic layer containing either (a) an acicular inorganic powder having a Mohs hardness of 3 or more and a major axis length of 0.3 .mu.m or less or (b) a spherical inorganic powder other than carbon black having an average primary particle size of 0.08 .mu.m or less. The magnetic recording medium exhibits excellent electromagnetic characteristics, running properties, and durability.
摘要翻译： 公开了一种磁记录介质，其包括非磁性载体，其上至少设置有包含非磁性粉末分散在其中的粘合剂的下部非磁性层，以及上部磁性层，其上涂覆有所述下部非磁性层， 磁性层，而下部非磁性层是湿的或处于干燥状态，其中具有触变性的下部非磁性层的涂层溶液和下部非磁性层包含（a）针状无机粉末，其具有 莫氏硬度为3以上，长轴长度为0.3μm以下，（b）平均一次粒径为0.08μm以下的碳黑以外的球状无机粉末。 磁记录介质表现出优异的电磁特性，运行性能和耐久性。
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公开(公告)号：US5851622A
公开(公告)日：1998-12-22
申请号：US761081
申请日：1996-12-04
申请人： Kiyomi Ejiri , Hiroo Inaba , Shinji Saito , Satoru Hayakawa
发明人： Kiyomi Ejiri , Hiroo Inaba , Shinji Saito , Satoru Hayakawa
CPC分类号： G11B5/848 , G11B5/70 , G11B5/716 , G11B5/733 , G11B5/738 , G11B5/842 , Y10S428/90 , Y10T428/12472 , Y10T428/24355 , Y10T428/24942 , Y10T428/25 , Y10T428/253 , Y10T428/256 , Y10T428/257 , Y10T428/258 , Y10T428/259 , Y10T428/265 , Y10T428/269 , Y10T428/31551 , Y10T428/31721 , Y10T428/31855
摘要： A magnetic recording medium is disclosed, comprising a non-magnetic support having provided thereon at least a lower non-magnetic layer comprising a binder having dispersed therein a non-magnetic powder and an upper magnetic layer comprising a binder having dispersed therein a ferromagnetic powder which has been coated on said lower non-magnetic layer while the lower non-magnetic layer is wet, wherein the upper magnetic layer has an average dry thickness (d) of not more than 1.0 .mu.m and an average thickness variation (.sup..DELTA. d) at the interface between the upper magnetic layer and lower non-magnetic layer is not more than d/2. The magnetic recording medium exhibits excellent electromagnetic characteristics, running properties, and durability.
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