Amorphous magnetic alloys
    1.
    发明授权
    Amorphous magnetic alloys 失效
    非晶磁性合金

    公开(公告)号:US4437912A

    公开(公告)日:1984-03-20

    申请号:US321560

    申请日:1981-11-16

    CPC分类号: H01F1/153 C22C45/008

    摘要: Amorphous alloy consisting mainly of 60-94 atomic % of at least one transition metal, and over 2 atomic % but below 20 atomic % of niobium. The amorphous alloys according to the invention are high in wear resistance and corrosion resistance and have a high saturated magnetic flux density and soft magnetic properties. The amorphous alloys have particular utility as core materials for magnetic heads.

    摘要翻译: 主要由60-94原子%的至少一种过渡金属和超过2原子%但低于20原子%的铌组成的无定形合金。 根据本发明的非晶合金具有高耐磨性和耐腐蚀性,并且具有高的饱和磁通密度和软磁性能。 非晶合金作为磁头的核心材料具有特殊的用途。

    Magnetic head
    4.
    发明授权
    Magnetic head 失效
    磁头

    公开(公告)号:US4590530A

    公开(公告)日:1986-05-20

    申请号:US444455

    申请日:1982-11-24

    CPC分类号: G11B5/127 G11B5/3106

    摘要: A magnetic head a core having a front core and a back core. The front core has a wear-resistant non-magnetic base and a soft magnetic thin film disposed on the base. The thin film is divided into halves by a magnetic gap therein. The back core has a U-shaped block of soft magnetic material and a wear-resistant non-magnetic member connected between the legs of the soft magnetic block. The front and back cores are coupled with each other with the thin film sandwiched therebetween, the magnetic gap in the thin film facing the wear-resistant non-magnetic member, and the soft magnetic thin film and the soft magnetic block being in face-to-face contact with each other out of the neighborhood of the magnetic gap to form a closed magnetic path across the magnetic gap.

    摘要翻译: 磁头是具有前芯和后芯的芯。 前芯具有设置在基座上的耐磨非磁性基座和软磁薄膜。 薄膜通过其中的磁隙被分成两半。 背芯具有软磁性材料的U形块和连接在软磁块的腿之间的耐磨非磁性构件。 前芯和后芯彼此耦合,薄膜夹在其间,薄膜中的磁隙面向耐磨非磁性构件,软磁薄膜和软磁块面对面 在磁隙附近彼此接触,以形成跨越磁间隙的封闭磁路。

    Amorphous materials with improved properties
    5.
    发明授权
    Amorphous materials with improved properties 失效
    具有改善性能的无定形材料

    公开(公告)号:US5358576A

    公开(公告)日:1994-10-25

    申请号:US157112

    申请日:1980-06-06

    CPC分类号: C22C45/04 H01F1/15316

    摘要: In amorphous materials including at least one iron-transition metal of Fe, Co, and Ni, and at least one metalloid of B, C, Si, and P, excellent magnetic characteristics can be provided subject to the condition that 0.5 to 10 atomic % of the above-described iron-transition metals are substituted by Mn. In addition, when the amorphous material partially substituted with Mn as described above is further comprised of at least one element selected from Groups IIIa, IVa, Va, and VIa in the periodic table, the crystallization temperature is considerably raised.

    摘要翻译: 在包含Fe,Co和Ni的至少一种铁过渡金属和至少一种B,C,Si和P的准金属的无定形材料中,可以提供优选的磁特性,条件是以0.5至10原子% 的上述铁 - 过渡金属被Mn取代。 此外,当如上所述被Mn部分取代的无定形材料进一步包含选自元素周期表中的IIIa,IVa,Va和VIa族中的至少一种元素时,结晶温度显着升高。

    Method of heat treatments of amorphous alloy ribbons
    7.
    发明授权
    Method of heat treatments of amorphous alloy ribbons 失效
    非晶合金带热处理方法

    公开(公告)号:US4288260A

    公开(公告)日:1981-09-08

    申请号:US134132

    申请日:1980-03-26

    摘要: A method of heat treatments of amorphous alloy ribbons comprises the sequential steps of; grinding amorphous alloy ribbon continuously fed at a predetermined speed (V) selectively varied in the range of 1 cm/sec.ltoreq.V.ltoreq.50 cm/sec, to uniformly finish the ribbon, and successively, heat-treating the ribbon with its surface contacting a stationary or rotating heating body having a surface temperature (T) defined in the range of (T.sub.cry -200.degree. C.).ltoreq.V.ltoreq.(T.sub.cry +50.degree. C.), where T.sub.cry is a crystallization point temperature of the alloy, to uniformly enhance the magnetic properties of the ribbon, and to remove the specific curlings inherently caused by so-called splat cooling manufacturing method, without causing any developments of brittleness of the ribbon mentioned above.

    摘要翻译: 非晶合金带的热处理方法包括以下步骤: 在以1cm / sec×50cm / sec的范围内选择性地变化的以预定速度(V)连续进料的非晶态合金带的研磨,以使丝条均匀地完成,并且随后用 其表面接触表面温度(T)在(Tcry-200℃)=(Tcry + 50℃)范围内的固定或旋转加热体,其中Tcry为结晶 以均匀地提高带的磁特性,并且消除由所谓的丝锥冷却制造方法固有地引起的特定卷曲,而不会引起上述带的脆性的任何变化。

    Hard magnetic material
    9.
    发明授权
    Hard magnetic material 失效
    硬磁材料

    公开(公告)号:US3947295A

    公开(公告)日:1976-03-30

    申请号:US440540

    申请日:1974-02-07

    IPC分类号: H01F1/055 H01F1/04

    CPC分类号: H01F1/0557 H01F1/055

    摘要: Bulk hardened magnetic materials with compositions expressed by a general formula Sm.sub.u Ce.sub.1.sub.-u (Co.sub.1.sub.-x.sub.-y Fe.sub.x Cu.sub.y).sub.z are provided. Compositions in the limited range of 0.3.ltoreq.u.ltoreq.1.0, 0.ltoreq.x.ltoreq.0.1, 0.09.ltoreq.y.ltoreq.0.18, 6.0.ltoreq.z.ltoreq.7.5 lead to magnetic materials with unexpectedly large maximum energy product and with a newly found two phase structure. Magnetic materials with maximum energy product of over 13 MG.sup.. Oe (megagauss) oersted), residual induction over 7000 G and intrinsic coercive force over 3000 Oe are obtained by subjecting the compositions to a sintering process.

    摘要翻译: 提供具有由通式SmuCe1-u(Co1-x-yFexCuy)z表示的组成的块状硬化磁性材料。 在有限范围内的组合物在0.3