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1.发明授权Recording and reproducing method by a change in composition on a solid surface 失效通过在固体表面上的组成变化来记录和再现方法
公开(公告)号：US4748592A
公开(公告)日：1988-05-31
申请号：US842719
申请日：1986-03-20
申请人： Makoto Nagao , Akira Nahara , Goro Akashi
发明人： Makoto Nagao , Akira Nahara , Goro Akashi
CPC分类号： G11B9/10
摘要： In a vacuum, recording is conducted by exposing a solid surface to a neutral particle beam or an ion beam modulated with a recording signal and converged, thereby to locally develop a change in composition on the solid surface. Then, reproducing is conducted by exposing said solid surface to an electron beam, an ion beam or a neutral particle beam which has been converged, thereby to emit electrons from the solid surface, and detecting the emitted electrons to read out the change in composition. If necessary, erasing is conducted by exposing the solid surface to the same beam as used in reproducing, thereby to eliminate the change in composition.
摘要翻译： 在真空中，通过将固体表面暴露于中性粒子束或用记录信号调制的离子束并进行收敛来进行记录，从而局部地形成固体表面上的组成变化。 然后，通过将所述固体表面暴露于已经会聚的电子束，离子束或中性粒子束进行再现，从而从固体表面发射电子，并且检测发射的电子以读出组成的变化。 如果需要，通过将固体表面暴露于与再现中使用的相同的光束进行擦除，从而消除组成的变化。
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公开(公告)号：US4451501A
公开(公告)日：1984-05-29
申请号：US368861
申请日：1982-04-15
申请人： Makoto Nagao , Akira Nahara , Goro Akashi
发明人： Makoto Nagao , Akira Nahara , Goro Akashi
CPC分类号： C23C14/562 , C23C14/24 , G11B5/851
摘要： A magnetic metal deposition material contained in a hearth is heated and evaporated in a vacuum to form a flow of vapor, which is then ionized and converged toward a predetermined deposition surface of a flexible substrate. The flexible substrate is moved obliquely downwardly along a convex course by sliding contact with the curved surface a fixed curved guiding body between a pair of guide rollers located at different heights above the hearth. The fixed curved guiding body communicates with a coolant source for cooling the substrate moving in contact therewith and may be provided with oscillators. Thus a thin film of the magnetic metal is deposited on the convex surface of the substrate.
摘要翻译： 包含在炉床中的磁性金属沉积材料被加热并在真空中蒸发以形成蒸气流，然后将其蒸发并会聚到柔性基板的预定沉积表面。 柔性基板通过与位于炉床上方不同高度的一对导向辊之间的弯曲表面与固定弯曲导向体滑动接触而沿着凸面向斜下方移动。 固定的弯曲引导体与冷却剂源连通，用于冷却与其接触移动的衬底并且可以设置有振荡器。 因此，磁性金属的薄膜沉积在基板的凸面上。
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公开(公告)号：US4501225A
公开(公告)日：1985-02-26
申请号：US589701
申请日：1984-03-15
申请人： Makoto Nagao , Akira Nahara , Goro Akashi
发明人： Makoto Nagao , Akira Nahara , Goro Akashi
CPC分类号： C23C14/562 , C23C14/24 , G11B5/851
摘要： A magnetic metal deposition material contained in a hearth is heated and evaporated in a vacuum to form a flow of vapor, which is then ionized and converged toward a predetermined deposition surface of a flexible substrate. The flexible substrate is moved obliquely downwardly along a convex course by sliding contact with the curved surface of a fixed curved guiding body between a pair of guide rollers located at different heights above the hearth. The fixed curved guiding body communicates with a coolant source for cooling the substrate moving in contact therewith and may be provided with oscillators. Thus a thin film of the magnetic metal is deposited on the convex surface of the substrate.
摘要翻译： 包含在炉床中的磁性金属沉积材料被加热并在真空中蒸发以形成蒸气流，然后将其蒸发并会聚到柔性基板的预定沉积表面。 通过与位于炉膛上方不同高度的一对导向辊之间的固定弯曲导向体的弯曲表面滑动接触，柔性基板沿着凸面向斜下方移动。 固定的弯曲引导体与冷却剂源连通，用于冷却与其接触移动的衬底并且可以设置有振荡器。 因此，磁性金属的薄膜沉积在基板的凸面上。
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4.发明授权
公开(公告)号：US4717592A
公开(公告)日：1988-01-05
申请号：US809828
申请日：1985-12-17
申请人： Makoto Nagao , Fusao Yamanaka , Kunihiko Sano , Akira Nahara
发明人： Makoto Nagao , Fusao Yamanaka , Kunihiko Sano , Akira Nahara
CPC分类号： G11B5/66 , G11B5/85 , Y10S428/90 , Y10S428/928
摘要： In forming a vertical magnetization type recording medium, a first soft magnetic film layer is formed on each side of a film-shaped support by vacuum deposition or sputtering at a temperature of 30.degree. C. or lower, a second soft magnetic film layer is formed on each of the first soft magnetic film layers, and a vertical magnetization film layer essentially containing Co-Cr is formed on each of the second soft magnetic film layers. The thickness of the first soft magnetic film layer on one side of the support may be made different from that of the first soft magnetic film layer on the other side so that curling of the recording medium is substantially eliminated.
摘要翻译： 在形成垂直磁化型记录介质时，在30℃或更低的温度下通过真空沉积或溅射在薄膜状载体的每一侧上形成第一软磁膜层，形成第二软磁膜层 并且在每个第二软磁性膜层上形成基本上含有Co-Cr的垂直磁化膜层。 支撑体一侧上的第一软磁性膜层的厚度可以与另一侧的第一软磁性膜层的厚度不同，从而基本上消除了记录介质的卷曲。
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5.发明授权
公开(公告)号：US4868070A
公开(公告)日：1989-09-19
申请号：US59242
申请日：1987-06-10
申请人： Makoto Nagao , Fusao Yamanaka , Akira Nahara
发明人： Makoto Nagao , Fusao Yamanaka , Akira Nahara
CPC分类号： G11B5/851 , G11B5/66 , Y10S428/90 , Y10S428/928 , Y10T428/12569 , Y10T428/12937 , Y10T428/265 , Y10T428/269
摘要： In a method of manufacturing a vertical magnetization type recording medium, a soft magnetic film layer is formed on each of the two sides of a non-magnetic support, and then a vertical magnetization film layer is formed on each soft magnetic film layer thus formed, thereby to provide a vertical magnetization type recording medium which has both sides uniform in characteristics and has characteristics making it excellent as a vertical magnetization type recording medium.
摘要翻译： 在制造垂直磁化型记录介质的方法中，在非磁性载体的两侧形成软磁性膜层，然后在如此形成的各个软磁性膜层上形成垂直磁化膜层， 从而提供一种垂直磁化型记录介质，其具有两个特性均匀的特性，并且具有优异的垂直磁化型记录介质。
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公开(公告)号：US4865878A
公开(公告)日：1989-09-12
申请号：US203840
申请日：1988-06-07
申请人： Makoto Nagao , Fusao Yamanaka , Akira Nahara
发明人： Makoto Nagao , Fusao Yamanaka , Akira Nahara
CPC分类号： G11B5/851 , G11B5/66 , Y10S428/90 , Y10S428/928 , Y10T428/12569 , Y10T428/12937 , Y10T428/265 , Y10T428/269
摘要： In a method of manufacturing a vertical magnetization type recording medium, a soft magnetic film layer is formed on each of the two sides of a non-magnetic support, and then a vertical magnetization film layer is formed on each soft magnetic film layer thus formed, thereby to provide a vertical magnetization type recording medium which has both sides uniform in characteristics and has characteristics making it excellent as a vertical magnetization type recording medium.This is a division of application Ser. No. 59,242 filed 6/10/87, which is a continuation of application Ser. No. 802,150 filed 11/27/85 both are now abandoned.
摘要翻译： 在制造垂直磁化型记录介质的方法中，在非磁性载体的两侧形成软磁性膜层，然后在如此形成的各个软磁性膜层上形成垂直磁化膜层， 从而提供一种垂直磁化型记录介质，其具有两个特性均匀的特性，并且具有优异的垂直磁化型记录介质。 这是一个应用程序系列 第59,242号，申请日为6/10/87，是申请序号的延续。 2000年11月27日提交的第802,150号现在都被放弃。
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公开(公告)号：US4511635A
公开(公告)日：1985-04-16
申请号：US537620
申请日：1983-09-30
申请人： Makoto Nagao , Akira Nahara
发明人： Makoto Nagao , Akira Nahara
CPC分类号： G11B5/85 , Y10S428/90 , Y10S428/928 , Y10T428/12535 , Y10T428/12771 , Y10T428/12931
摘要： A magnetic recording medium comprises a non-magnetic high-molecular film and at least one magnetic layer containing Co, Ni, Cr and oxygen and formed on the non-magnetic high-molecular film by an oblique incidence vacuum deposition method. The Cr content is within the range of 2 to 8 atom %, the content of oxygen is within the range of 5 to 25 atom %, and the ratio of the number of oxygen atoms to the number of Cr atoms is within the range of 2:1 to 10:1.
摘要翻译： 磁记录介质包括非磁性高分子膜和至少一个含有Co，Ni，Cr和氧的磁性层，并通过倾斜入射真空沉积法形成在非磁性高分子膜上。 Cr含量在2〜8原子％的范围内，氧的含量在5〜25原子％的范围内，氧原子数与Cr原子数的比例在2以下 ：1到10：1。
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公开(公告)号：US4367257A
公开(公告)日：1983-01-04
申请号：US254687
申请日：1981-04-16
申请人： Yoshihiro Arai , Makoto Nagao , Akira Nahara
发明人： Yoshihiro Arai , Makoto Nagao , Akira Nahara
CPC分类号： G11B5/64 , H01F10/135 , Y10S428/90 , Y10T428/265
摘要： A magnetic recording medium having a thin magnetic amorphous rare earth metal-transition metal alloy film is disclosed, the amorphous alloy film having an axis of easy magnetization in a direction substantially vertical to the film surface and containing a crystalline phase in the amorphous phase. The magnetic recording medium exhibits high coercive force over a wide compositional range.
摘要翻译： 公开了一种具有薄磁性无定形稀土金属 - 过渡金属合金膜的磁记录介质，所述非晶态合金膜在基本垂直于膜表面的方向上具有容易磁化的轴并且在非晶相中含有结晶相。 磁记录介质在宽的组成范围内表现出高的矫顽力。
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公开(公告)号：US4609962A
公开(公告)日：1986-09-02
申请号：US596789
申请日：1984-04-04
申请人： Yoshihiro Arai , Akira Nahara , Makoto Nagao , Kiyotaka Fukino
发明人： Yoshihiro Arai , Akira Nahara , Makoto Nagao , Kiyotaka Fukino
CPC分类号： G11B5/72 , G11B5/64 , G11B5/66 , Y10S428/90
摘要： A metal thin film type magnetic recording medium having an improved weather resistance is disclosed, which comprises a non-magnetic support base having provided thereon a ferromagnetic metal thin film comprised of column-shaped clusters of ferromagnetic particle having longitudinal axes inclined to the surface plane of the support base and a layer of a chromium compound such as Cr and Cr.sub.2 O.sub.3 covering the surfaces of the column-shaped clusters.
摘要翻译： 公开了一种具有改善的耐候性的金属薄膜型磁记录介质，其包括非磁性支撑基底，其上设置有强磁性金属薄膜，该铁磁性金属薄膜由具有相对于表面平面倾斜的纵轴的铁磁性颗粒的柱状簇组成 支撑基体和覆盖柱状团簇表面的铬化合物如Cr和Cr2O3层。
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公开(公告)号：US4521481A
公开(公告)日：1985-06-04
申请号：US536050
申请日：1983-09-26
申请人： Makoto Nagao , Akira Nahara
发明人： Makoto Nagao , Akira Nahara
IPC分类号： G11B5/66 , C22C19/07 , C23C14/00 , C23C14/24 , G11B5/64 , G11B5/65 , G11B5/73 , G11B5/85 , H01F10/16 , H01F41/20
CPC分类号： G11B5/64 , G11B5/85 , Y10S428/90 , Y10T428/265
摘要： A magnetic recording medium comprises a non-magnetic substrate and at least one layer of obliquely deposited magnetic crystals which contains, as a main constituent, a Co-Ni based alloy containing Cr in an amount within the range of 2 to 8 atom % and which is obliquely deposited on the non-magnetic substrate in such a manner that the minimum angle of incidence of a vapor stream of a magnetic material with respect to the line normal to the non-magnetic substrate is 45.degree. or less.
摘要翻译： 磁记录介质包括非磁性基底和至少一层斜向沉积的磁性晶体，其包含含量在2至8原子％范围内的Cr的Co-Ni基合金作为主要成分，并且其中 倾斜地沉积在非磁性基板上，使得磁性材料的蒸气流相对于非磁性基底垂直线的最小入射角为45°或更小。
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