Soft magnetic materials comprising 9 to 15 atomic percent carbon atoms
    1.
    发明授权
    Soft magnetic materials comprising 9 to 15 atomic percent carbon atoms 失效
    包含9至15原子%碳原子的软磁性材料

    公开(公告)号:US5059337A

    公开(公告)日:1991-10-22

    申请号:US247074

    申请日:1988-09-21

    摘要: The present invention provides a novel soft magnetic material superior in corrosion resistance which contains (a) a ferromagnetic metal and (b) a carbide of a ferromagnetic metal and/or a silicide of a ferromagnetic metal with at least one of (c) an amorphous carbon and/or an amorphous silicon and (d) a hydrocarbon polymer and/or a silicone polymer and which contains carbon atoms in an amount of 15 atomic % or less, preferably 9-15 atomic %, preferably prepared by the simultaneous vapor deposition of a ferromagnetic metal and a polymer.

    摘要翻译: 本发明提供一种耐腐蚀性优异的新型软磁材料,它含有(a)铁磁金属和(b)铁磁性金属的碳化物和/或铁磁性金属的硅化物,其具有以下中的至少一种:(c) 碳和/或非晶硅,和(d)烃聚合物和/或硅氧烷聚合物,并且其含有15原子%或更少,优选9-15原子%的碳原子,优选通过同时气相沉积 铁磁金属和聚合物。

    Magnetic recording medium
    3.
    发明授权
    Magnetic recording medium 失效
    磁记录介质

    公开(公告)号:US5496620A

    公开(公告)日:1996-03-05

    申请号:US334125

    申请日:1994-11-04

    摘要: A medium in which a magnetic layer is composed mainly of Co and oxygen and has a principal axis of magnetic anisotropy rising unidirectionally at 20.degree. to 80.degree. to a nonmagnetic substrate surface, the coercive force Hs on the surface side of the magnetic layer is 600 to 2,000 Oe and the coercive force Hb on the substrate interfacial side is less than 600 Oe, the medium being produced by treating a nonmagnetic substrate surface with a plasma in an atmosphere of an inert gas or an oxygen gas, and then depositing an alloy composed mainly of Co on the above plasma-treated nonmagnetic substrate surface while an oxygen gas is introduced into the layer-forming atmosphere.

    摘要翻译: 磁性层主要由Co和氧组成并且磁性各向异性主轴在非磁性基板表面上在20°至80°单向上升的介质中,磁性层表面侧的矫顽力Hs为600 至2,000Oe,并且基板界面侧的矫顽力Hb小于600Oe,该介质通过在惰性气体或氧气气氛中用等离子体处理非磁性基板表面而制成,然后沉积合金 主要是在上述等离子体处理的非磁性衬底表面上的Co,同时将氧气引入层形成气氛中。

    Magnetic recording medium and production of the same
    5.
    发明授权
    Magnetic recording medium and production of the same 失效
    磁记录介质和制作相同

    公开(公告)号:US4755426A

    公开(公告)日:1988-07-05

    申请号:US3287

    申请日:1987-01-14

    IPC分类号: G11B5/72 G11B5/70

    摘要: A magnetic recording medium which comprises a substrate, a magnetic layer on the substrate and a protective layer which is formed directly on the magnetic layer or on an undercoat layer formed on the magnetic layer, the protective layer comprising a carbonaceous material essentially consisting of carbon, hydrogen and oxygen, which has improved traveling properties and abrasion resistance.

    摘要翻译: 一种磁记录介质,其包括基板,所述基板上的磁性层和直接形成在所述磁性层上形成的底涂层上的保护层,所述保护层包含基本上由碳组成的碳质材料, 氢和氧,其具有改善的行进性能和耐磨性。

    Plasma CVD apparatus
    6.
    发明授权
    Plasma CVD apparatus 失效
    等离子体CVD装置

    公开(公告)号:US06312524B1

    公开(公告)日:2001-11-06

    申请号:US09453226

    申请日:1999-12-03

    IPC分类号: C23C1600

    摘要: A continuous plasma CVD apparatus, characterized in that frequency of high-frequency bias is in the range of 50-900 KHz, a blocking condenser is provided between a thin film and a high-frequency source so that the product C·f of electrostatic capacity C of the blocking condenser and frequency f of the high-frequency source is 0.02 [F·Hz] or more, and the total of impedances of all the rollers provided in the route of from a substrate unwind roller to a rotating drum is 10 k&OHgr; or more and the total of impedances of all the rollers provided in the route of from the rotating drum to a wind roller is 10 k&OHgr; or more. According to this apparatus, it becomes possible to continuously form a film without causing damage and deterioration of the substrate.

    摘要翻译: 一种连续等离子体CVD装置,其特征在于,高频偏压的频率在50〜900KHz的范围内,在薄膜和高频源之间设置阻塞式冷凝器,使得静电容量C的乘积Cf 阻挡电容器和高频源的频率f为0.02 [F.Hz]以上,并且设置在从基板退绕辊到旋转鼓的路径中的所有辊的阻抗总和为10kOMEGA以上 并且设置在从旋转鼓到风辊的路线中的所有辊的阻抗的总和为10kOMEGA以上。 根据该装置,可以连续地形成膜而不引起基板的损坏和劣化。

    Magnetic recording medium and process for producing the same
    7.
    发明授权
    Magnetic recording medium and process for producing the same 失效
    磁记录介质及其制造方法

    公开(公告)号:US4983455A

    公开(公告)日:1991-01-08

    申请号:US155483

    申请日:1988-02-12

    IPC分类号: G11B5/72

    摘要: The invention provides a magnetic recording medium having a ferromagnetic metallic layer provided on a non-magnetic substrate, and an anticorrosive deposited on said ferromagnetic metallic layer containing a benzotriazole derivative as a main component. A magnetic recording medium is also provided having on a substrate, a ferromagnetic metallic layer containing cobalt as a main component, a passivated cobalt layer on said ferromagnetic metallic layer and an anticorrosive layer on said passivated cobalt layer, said anticorrosive layer comprising at least one anticorrosive selected from benzothiazole derivatives, benzoimidazole derivatives haaving at least one of amino group, nitro group, chlorine and mercapto group as substituent in the benzoimidazole skeleton, benzotriazole, compounds containing nitrosonaphthol as a main component, oxime compounds, phytic acid and its derivatives, quinaldinic acid and its derivatives, quinoline compounds, naphthaldehyde and its derivatives. A process for producing the same is also provided.

    Magnetic recording medium and method for producing the same
    10.
    发明授权
    Magnetic recording medium and method for producing the same 失效
    磁记录介质及其制造方法

    公开(公告)号:US5073449A

    公开(公告)日:1991-12-17

    申请号:US171174

    申请日:1988-03-21

    摘要: A magnetic recording medium comprising a substrate and a ferromagnetic metal layer, wherein the ferromagnetic metal layer includes hydrated amorphous cobalt oxide, a X-ray photoelectron spectra which is characterized in that, in the Co.sub.2p spectrum, a ratio of a peak height at 785.9.+-.0.3 eV to that at 780.0.+-.0.3 eV is 40/100 or less when a background (BG) line is drawn between lower energy side leading edge points of peaks at 780.0.+-.0.3 eV (2p.sub.3/2) and 795.6.+-.0.3 eV (2p.sub.1/2) and, in the O.sub.1s spectrum, a ratio of a peak height at 529.3.+-.0.4 eV to that at 530.8.+-.0.4 eV is from 100:110 to 100:50 when a background line is drawn between the lower energy side leading edge point and the higher energy side leading edge point of a complex peak at 530.5.+-.2.5 eV from which the peaks at 529.3.+-.0.4 eV and 530.8.+-.0.4 are derived by peak synthesis, which has good corrosion and wear resistance.

    摘要翻译: 一种包括基底和强磁性金属层的磁记录介质,其中所述强磁性金属层包括水合无定形钴氧化物,X射线光电子能谱的特征在于,在Co2p光谱中,峰高在785.9+ 当在780.0 +/- 0.3eV(2p3 / 2)的峰值的下能量侧前沿点之间绘制背景(BG)线时,在780.0 +/- 0.3eV处的电位为/ 795.6 +/- 0.3eV(2p1 / 2),在O1s光谱中,在529.3 +/- 0.4eV的峰高与530.8 +/- 0.4eV的峰高比为100:110至100:50 在530.5 +/- 2.5eV的复合峰的较低能量侧前沿点和较高能量侧前沿点之间绘制背景线,其中在529.3 +/- 0.4eV和530.8 +/- 0.4处的峰为 通过峰值合成衍生,具有良好的耐腐蚀和耐磨性。