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公开(公告)号：US4348430A
公开(公告)日：1982-09-07
申请号：US210801
申请日：1980-11-26
IPC分类号： B22F9/22 , C01G49/00 , C01G49/02 , C09D5/23 , C09D7/12 , G11B5/706 , H01F1/06 , H01F1/11 , B05D7/00
CPC分类号： G11B5/70657
摘要： A process for producing magnetic particles for a magnetic recording medium from an acicular goethite as a starting material comprises a step of growing a Si-component-containing goethite as an outer layer.
摘要翻译： 从针状针铁矿作为起始材料制造用于磁记录介质的磁性颗粒的方法包括使含Si组分的针铁矿生长为外层的步骤。
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公开(公告)号：US4343834A
公开(公告)日：1982-08-10
申请号：US247753
申请日：1981-03-26
CPC分类号： G11B5/851
摘要： A magnetic recording medium is prepared by a tilt vapor deposition of magnetic particles from a vapor thereof on a substrate running along a peripheral surface of a cylindrical can in vacuum wherein plural cans are used to deposit said magnetic particles at substantially the same tilt angle on each of said cans.
摘要翻译： 通过在真空中沿着圆筒形罐的圆周表面行进的基板上的蒸汽倾斜气相沉积磁性颗粒来制备磁记录介质，其中使用多个罐将所述磁性颗粒以基本上相同的倾斜角沉积在每个 的罐头。
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公开(公告)号：US4418126A
公开(公告)日：1983-11-29
申请号：US283548
申请日：1981-07-15
CPC分类号： G11B5/656 , Y10S428/90
摘要： A magnetic recording medium comprises a thin metallic magnetic layer on a non-magnetic substrate wherein said thin metallic magnetic layer is made of cobalt, nickel and chromium.
摘要翻译： 磁记录介质包括在非磁性基底上的薄金属磁性层，其中所述薄金属磁性层由钴，镍和铬制成。
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公开(公告)号：US5472778A
公开(公告)日：1995-12-05
申请号：US150770
申请日：1993-11-12
申请人： Kunihiro Ueda , Takayoshi Kobuke
发明人： Kunihiro Ueda , Takayoshi Kobuke
IPC分类号： G11B5/66 , B05D7/24 , C23C16/40 , G11B5/64 , G11B5/72 , G11B5/73 , G11B5/738 , G11B5/84 , B32B5/16 , B05D5/12
CPC分类号： B05D1/62 , C23C16/401 , G11B5/72 , G11B5/7325 , G11B5/8404 , G11B5/8408 , Y10T428/26 , Y10T428/265 , Y10T428/31663
摘要： A magnetic recording medium having a magnetic layer in the form of a ferromagnetic metal thin film includes an undercoat film disposed between the magnetic layer and the substrate and a topcoat film on the magnetic layer. Each of the undercoat and topcoat films is a plasma polymerized film containing silicon, the Si content in the film being 30 to 50 at %. Corrosion resistance and durability are significantly improved.
摘要翻译： 具有铁磁金属薄膜形式的磁性层的磁记录介质包括设置在磁性层和基板之间的底涂层和磁性层上的顶涂层。 每个底涂层和顶涂层是含有硅的等离子体聚合膜，膜中的Si含量为30至50原子％。 耐腐蚀性和耐久性显着提高。
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公开(公告)号：US4777082A
公开(公告)日：1988-10-11
申请号：US87989
申请日：1987-08-17
IPC分类号： B41M5/26 , G11B7/243 , G11B11/10 , G11B11/105 , G11B7/24
CPC分类号： G11B11/10586 , Y10S428/90 , Y10S428/928 , Y10T428/12931 , Y10T428/12937 , Y10T428/24975
摘要： In an optical recording medium comprising a substrate and a recording layer thin film comprised of a rare earth element and a transition metal, for example, TbFeCo on the substrate, a metal thin film layer having a high magnetic permeability, for example, Permalloy is formed on the recording layer. A transparent dielectric film layer may be formed between the substrate and the recording layer thin film.
摘要翻译： 在包括基板和由稀土元素和过渡金属构成的记录层薄膜的光记录介质中，例如基板上的TbFeCo，形成具有高导磁率的金属薄膜层，例如坡莫合金 在录音层。 可以在基板和记录层薄膜之间形成透明的电介质膜层。
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公开(公告)号：US4588654A
公开(公告)日：1986-05-13
申请号：US382775
申请日：1982-05-27
CPC分类号： G11B5/851 , G11B5/85 , Y10S428/90 , Y10S428/928 , Y10T428/12569 , Y10T428/31681 , Y10T428/31786
摘要： A magnetic recording medium having a subbing metal layer formed by sputtering under a thin magnetic layer formed by vapor deposition possesses excellent magnetic properties and high surface hardness. The presence of the subbing layer improves the adhesion of the thin magnetic layer to the support.
摘要翻译： 具有通过气相沉积形成的薄磁性层下通过溅射形成的底金属层的磁记录介质具有优异的磁性能和高的表面硬度。 底层的存在提高了薄磁层对载体的附着力。
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公开(公告)号：US4520076A
公开(公告)日：1985-05-28
申请号：US263587
申请日：1981-05-14
CPC分类号： G11B5/66 , Y10S428/928 , Y10T428/12465 , Y10T428/12931 , Y10T428/12937 , Y10T428/12944 , Y10T428/12951
摘要： A magnetic recording medium has plural magnetic layers on a non-magnetic substrate. The magnetic particles are orientated in substantially the same tilt direction for major axes of the particles in each magnetic layer and in cross tilt directions for major axes of the particles in the adjacent magnetic layers.
摘要翻译： 磁记录介质在非磁性基板上具有多个磁性层。 磁性颗粒在每个磁性层中的颗粒的主轴和相邻磁性层中的颗粒的长轴的交叉倾斜方向上以大致相同的倾斜方向取向。
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公开(公告)号：US4400444A
公开(公告)日：1983-08-23
申请号：US384604
申请日：1982-06-03
IPC分类号： G11B5/66 , C08L67/02 , G11B5/64 , G11B5/73 , G11B5/78 , G11B5/85 , G11B5/851 , H01F41/20 , H01F10/02
CPC分类号： G11B5/851 , H01F41/20 , Y10S428/90
摘要： A magnetic recording medium having a ferromagnetic layer formed by oblique vapor deposition wherein the residual magnetic flux density in the width direction of the recording medium is larger than the residual magnetic flux density in the longitudinal direction shows the SN ratio in a practical level at recording in the width direction.
摘要翻译： 具有通过倾斜气相沉积形成的铁磁层的磁记录介质，其中记录介质的宽度方向上的剩余磁通密度大于纵向方向上的剩余磁通密度，示出了记录时实际水平的SN比 宽度方向。
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