Nonmagnetic material particle-dispersed ferromagnetic material sputtering target
    25.
    发明授权
    Nonmagnetic material particle-dispersed ferromagnetic material sputtering target 有权
    非磁性材料颗粒分散铁磁材料溅射靶

    公开(公告)号:US09103023B2

    公开(公告)日:2015-08-11

    申请号:US13131124

    申请日:2010-03-08

    申请人: Atsushi Sato

    发明人: Atsushi Sato

    IPC分类号: C23C14/34 C22C32/00 H01F41/18

    摘要: A nonmagnetic material particle-dispersed ferromagnetic material sputtering target comprising a mixture of an alloy containing 5 mol % or more and 20 mol % or less of Cr, 5 mol % or more and 30 mol % or less of Pt, and Co as the remainder thereof, and nonmagnetic material particles, wherein the structure of the target includes a phase (A) in which the nonmagnetic material particles are uniformly micro-dispersed in the alloy, and a spherical alloy phase (B) dispersed in the phase (A) in which the ratio of its volume in the target is 4% or more and 40% or less. Obtained is a nonmagnetic material particle-dispersed ferromagnetic material sputtering target capable of improving the leakage magnetic flux to obtain a stable electrical discharge with a magnetron sputtering device, and which has high density and generates few particles during sputtering.

    摘要翻译: 一种非磁性材料颗粒分散铁磁材料溅射靶,其包含含有5mol%以上且20mol%以下的Cr,5mol%以上且30mol%以下的Pt的合金和余量的Co的混合物, 和非磁性材料颗粒,其中靶的结构包括其中非磁性材料颗粒均匀地微分散在合金中的相(A)和分散在相(A)中的球形合金相(B) 其目标体积的比例为4%以上且40%以下。 获得的是一种非磁性材料粒子分散的铁磁材料溅射靶,其能够通过磁控溅射装置提高泄漏磁通量以获得稳定的放电,并且在溅射期间具有高密度并且产生很少的颗粒。

    Sputtering target of ferromagnetic material with low generation of particles
    28.
    发明授权
    Sputtering target of ferromagnetic material with low generation of particles 有权
    铁磁材料的溅射靶与低代粒子

    公开(公告)号:US08679268B2

    公开(公告)日:2014-03-25

    申请号:US13320840

    申请日:2010-09-30

    摘要: A ferromagnetic sputtering target comprising metal having a composition containing 20 mol % or less of Cr, and Co as the remainder; wherein the target structure includes a basis metal (A), and flat phases (B), containing 90 wt % or more of Co, within the basis metal (A), the average grain size of the phases (B) is 10 μm or more and 150 μm or less, and the average aspect ratio of the phases (B) is 1:2 to 1:10. Provided is a ferromagnetic sputtering target capable of inhibiting the generation of particles during sputtering, and improving the pass-through flux to achieve a stable electrical discharge with a magnetron sputtering device.

    摘要翻译: 一种铁磁溅射靶,其包含具有20摩尔%以下的Cr的组成的金属,余量为Co; 其特征在于,在所述基体金属(A)中,所述基体金属(A)和含有90重量%以上的Co的平坦相(B),所述相(B)的平均粒径为10μm, 多于150μm以下,相(B)的平均纵横比为1:2〜1:10。 本发明提供能够抑制溅射时的粒子产生的铁磁性溅射靶,提高通过磁通以通过磁控溅射装置实现稳定的放电。

    Sputtering target of nonmagnetic-particle-dispersed ferromagnetic material
    30.
    发明授权
    Sputtering target of nonmagnetic-particle-dispersed ferromagnetic material 有权
    非磁性粒子分散铁磁材料的溅射靶

    公开(公告)号:US08568576B2

    公开(公告)日:2013-10-29

    申请号:US12745278

    申请日:2009-03-27

    申请人: Atsushi Sato

    发明人: Atsushi Sato

    摘要: Provided is a sputtering target of nonmagnetic-particle-dispersed ferromagnetic material comprising a phase (A) such that nonmagnetic particles are dispersed in a ferromagnetic material formed from a Co—Cr alloy containing 5 at % or more and 20 at % or less of Cr and Co as the remainder thereof, and schistose textures (B) with a short side of 30 to 100 μm and a long side of 50 to 300 μm formed from a Co—Cr alloy phase in the phase (A); wherein each of the foregoing nonmagnetic particles has such a shape and size that the particle is smaller than all hypothetical circles with a radius of 1 μm around an arbitrary point within the nonmagnetic particle, or a shape and size with at least two contact points or intersection points between the respective hypothetical circles and the interface of the ferromagnetic material and the nonmagnetic material.

    摘要翻译: 提供了一种非磁性粒子分散的铁磁材料的溅射靶,其包括相(A),使得非磁性粒子分散在由含有5原子%以上且20原子%以下的Co-Cr合金形成的铁磁材料中 和Co作为其余部分,以及在相(A)中由Co-Cr合金相形成的短边为30至100μm的长边和50至300μm的短边纹理(B); 其中每个上述非磁性颗粒具有这样的形状和尺寸,即颗粒小于在非磁性颗粒内的任意点附近具有半径为1μm的所有假想圆,或具有至少两个接触点或交叉点的形状和尺寸 各个假想圆之间的点和铁磁材料和非磁性材料的界面。