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1.发明授权公开(公告)号：US06638596B1
公开(公告)日：2003-10-28
申请号：US09599498
申请日：2000-06-22
IPC分类号： G11B531
CPC分类号： G11B5/3109 , Y10T428/1157 , Y10T428/1171 , Y10T428/12944 , Y10T428/12951
摘要： A soft magnetic film of the invention is to improve a resistivity &rgr; while maintaining a coercive force Hc and a saturation magnetic flux density Ms in good states by adding an element X (X is one or more kinds of elements selected from O, C, N, and S). Further, a thin film magnetic head capable of coping with an increase in a recording density and an increase in a recording frequency can be provided by using the soft magnetic film in core layers.
摘要翻译： 本发明的软磁性膜是通过添加元素X（X是选自O，C，N中的一种或多种元素）来改善电阻率rho，同时保持良好状态下的矫顽力Hc和饱和磁通密度Ms ，和S）。 此外，通过使用芯层中的软磁性膜，可以提供能够应付记录密度增加和记录频率增加的薄膜磁头。
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2.发明授权Soft magnetic film having high corrosion resistance, magnetic head including the same, and method for making the soft magnetic film 有权具有高耐腐蚀性的软磁性膜，包括其的磁头，以及制造软磁性膜的方法公开(公告)号：US06760189B2
公开(公告)日：2004-07-06
申请号：US10050497
申请日：2002-01-16
申请人： Mitsuhiro Gotoh , Yoshihiro Kanada
发明人： Mitsuhiro Gotoh , Yoshihiro Kanada
IPC分类号： G11B5147
CPC分类号： G11B5/3109 , G11B5/3163 , G11B5/40 , H01F10/16 , Y10T428/115
摘要： A soft magnetic film has a composition represented by the formula FeXCoY&agr;Z wherein &agr; is at least one element selected from the group consisting of Rh, Pd, Pt, Ru, and Ir and X+Y+Z=100 mass percent. The ratio X/Y by mass percent of Fe to Co is in the range of 2 to 5, and the &agr; content Z is in the range of 0.5 to 18 mass percent. This alloy exhibits a saturation magnetic flux density of at least 2.0 T and high corrosion resistance.
摘要翻译： 软磁性膜具有由式FeXCoYalphaZ表示的组成，其中α是选自Rh，Pd，Pt，Ru和Ir中的至少一种元素，X + Y + Z = 100质量％。 Fe与Co的质量比X / Y为2〜5，α含量Z在0.5〜18质量％的范围。 该合金表现出至少2.0T的饱和磁通密度和高耐腐蚀性。
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公开(公告)号：US20090047473A1
公开(公告)日：2009-02-19
申请号：US12187886
申请日：2008-08-07
IPC分类号： B32B9/04 , B32B15/04 , G11B11/105 , C25D3/12
CPC分类号： C25D5/12 , C25D3/562 , Y10T428/24355 , Y10T428/26
摘要： A Ni-containing plating film includes a lower plating film and an upper plating film laminated on lower plating film. The lower plating film is formed by plating with no saccharin sodium added to a plating bath, and the upper plating film is formed by plating with saccharin sodium added to a plating bath. In the upper plating film, a NiS layer exists at a position below the film surface.
摘要翻译： 含镍电镀膜包括层压在下镀膜上的下镀膜和上镀膜。 通过在没有加入到电镀浴中的糖精钠进行电镀而形成下电镀膜，并且通过用添加到电镀浴中的糖精钠进行电镀而形成上镀膜。 在上镀膜中，NiS层存在于膜表面下方的位置。
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4.发明授权Soft magnetic film having saturation magnetic flux density Bs of at least 2.0 T and magnetic head including the same 有权具有至少2.0T的饱和磁通密度Bs和包含该磁性磁头的磁头的软磁性膜公开(公告)号：US07095586B2
公开(公告)日：2006-08-22
申请号：US10183199
申请日：2002-06-27
申请人： Mitsuhiro Gotoh , Yoshihiro Kanada
发明人： Mitsuhiro Gotoh , Yoshihiro Kanada
IPC分类号： G11B5/127
CPC分类号： G11B5/3903 , G11B5/232 , G11B5/235 , G11B5/3109 , G11B5/313 , G11B5/3153 , G11B5/3163 , G11B5/3967 , H01F10/14 , H01F10/16
摘要： A soft magnetic film comprising an FeCo alloy containing noble metals such as Pr and Rh. This soft magnetic film has a saturation magnetic flux density Bs of at least 2.0 and high corrosion resistance. This soft magnetic film may be included in a thin-film magnetic head. A lower magnetic pole layer or an upper magnetic pole layer of the thin-film magnetic head has a composition represented by the formula FeXCoYαZ, wherein α is at least one element selected from the group consisting of Pd, Pt, Ru, and Ir, and wherein the ratio X/Y by mass percent of Fe to Co is in the range of 2 to 5, the α content Z is in the range of 0.5 to 18 mass percent, and X+Y+Z=100 mass percent.
摘要翻译： 包含含有贵金属如Pr和Rh的FeCo合金的软磁性膜。 该软磁性膜的饱和磁通密度Bs为2.0以上，耐腐蚀性高。 该软磁性膜可以包含在薄膜磁头中。 薄膜磁头的下磁极层或上磁极层具有由下式表示的组成：由下式表示的组成： 其中α是选自Pd，Pt，Ru和Ir中的至少一种元素，并且其中Fe与Co的质量百分比X / Y的比例在2至5的范围内，α 含量Z在0.5〜18质量％的范围内，X + Y + Z = 100质量％。
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5.发明授权公开(公告)号：US07433153B2
公开(公告)日：2008-10-07
申请号：US10235262
申请日：2002-09-05
申请人： Yoshihiro Kanada , Hisayuki Yazawa
发明人： Yoshihiro Kanada , Hisayuki Yazawa
CPC分类号： B82Y25/00 , G11B5/3109 , G11B5/3163 , H01F10/14 , H01F10/16 , H01F10/324 , H01F41/26
摘要： The upper magnetic pole layer and/or lower magnetic pole layer comprises a soft magnetic film having a variable region in which the chemical composition of Fe changes in the direction of thickness in at least a part thereof, and the difference of the proportions of Fe between the regions most abundant in Fe and most deficient in Fe is 4% by mass or more in the variable region. The structure of the soft magnetic film permits the saturation magnetic flux density Bs to be improved while decreasing the coercive force Hc by forming fine crystal grains, thereby enabling a thin film magnetic head excellent in high density recording to be manufactured.
摘要翻译： 上磁极层和/或下磁极层包括具有可变区域的软磁性膜，其中Fe的化学组成在其至少一部分中在厚度方向上变化，并且Fe之间的比例差异 Fe最丰富，Fe含量最多的区域在可变区域中为4质量％以上。 通过形成微细的晶粒，软磁性膜的结构能够提高饱和磁通密度Bs，同时降低矫顽力Hc，从而能够制造出高密度记录性优异的薄膜磁头。
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公开(公告)号：US07037421B2
公开(公告)日：2006-05-02
申请号：US09851776
申请日：2001-05-09
申请人： Yoshihiro Kanada , Hisayuki Yazawa
发明人： Yoshihiro Kanada , Hisayuki Yazawa
CPC分类号： G11B5/3163 , G11B5/232 , G11B5/3133 , Y10T428/1164 , Y10T428/1179
摘要： A gap layer of a thin-film magnetic head is formed of NiP. The P content of the NiP gap layer is controlled to be within the range of 11 mass percent to 14 mass percent so that the gap layer is nonmagnetic.
摘要翻译： 薄膜磁头的间隙层由NiP形成。 将NiP间隙层的P含量控制在11质量％〜14质量％的范围内，使间隙层成为非磁性。
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公开(公告)号：US07052560B2
公开(公告)日：2006-05-30
申请号：US10659118
申请日：2003-09-10
申请人： Hisayuki Yazawa , Yoshihiro Kanada
发明人： Hisayuki Yazawa , Yoshihiro Kanada
IPC分类号： H01F1/04
CPC分类号： B82Y25/00 , B82Y10/00 , G11B5/3109 , G11B5/3116 , G11B5/313 , G11B5/3146 , G11B5/3163 , G11B5/3903 , G11B5/3909 , G11B5/3967 , G11B2005/3996 , H01F10/14
摘要： A soft magnetic film is formed which is represented by the formula (FexNiy)aMob, in which 0.65≦x≦0.75 and x+y=1 are satisfied when x and y are on a mass percent ratio basis, and 0
摘要翻译： 形成软磁性膜，其由下式（Fe x Ni x Ni x Sb z）a M b b b表示， 当x和y以质量百分比比为基准时，满足0.65 <= x <= 0.75且x + y = 1，当a和b为开时，满足0
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8.发明授权Soft magnetic film having improved saturated magnetic flux density, magnetic head using the same, and manufacturing method therefor 失效具有提高的饱和磁通密度的软磁性膜，使用其的磁头及其制造方法公开(公告)号：US06714380B2
公开(公告)日：2004-03-30
申请号：US10042085
申请日：2002-01-08
申请人： Mitsuo Kawasaki , Yoshihiro Kanada
发明人： Mitsuo Kawasaki , Yoshihiro Kanada
IPC分类号： G11B5147
CPC分类号： H01F10/16 , G11B5/3109 , G11B5/3116 , G11B5/3163 , Y10T428/11 , Y10T428/1186 , Y10T428/12465 , Y10T428/12646 , Y10T428/24355 , Y10T428/24777
摘要： A lower magnetic pole layer and/or an upper magnetic pole layer are formed of a CoFe&agr; alloy in which the component ratio X of Co is 8 to 48 mass %, the component ratio Y of Fe is 50 to 90 mass %, the component ratio Z of the element &agr; (the element &agr; is at least one of Ni and Cr) is 2 to 20 mass %, and the equation X+Y+Z=100 mass % is satisfied. Consequently, the saturated magnetic flux density can be 2.0 T or more, and a thin-film magnetic head have a higher recording density can be manufactured.
摘要翻译： 下磁极层和/或上磁极层由Co组分比X为8〜48质量％的CoFealpha合金形成，Fe的成分比例Y为50〜90质量％，成分比例 元素α（元素α为Ni和Cr中的至少一种）的Z为2〜20质量％，并且满足式X + Y + Z = 100质量％。 因此，饱和磁通密度可以为2.0T以上，并且可以制造具有较高记录密度的薄膜磁头。
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公开(公告)号：US07288333B2
公开(公告)日：2007-10-30
申请号：US10659119
申请日：2003-09-10
CPC分类号： C25D3/562 , C25D5/18 , C25D7/001 , G11B5/3109 , G11B5/3113 , G11B5/313 , G11B5/3163 , H01F10/16 , Y10T428/115 , Y10T428/1186 , Y10T428/1193 , Y10T428/32 , Y10T428/325
摘要： A soft magnetic film of the present invention is a plated film composed of Co and Fe, and columnar crystals extending in the film thickness direction are provided. In the present invention, columnar crystals extending in the film thickness direction are provided so that an improvement in the surface roughness of the film surface and an improvement in the corrosion resistance can be achieved. Furthermore, the saturation magnetic flux density Bs can also be improved by making the crystal fine and eliminating the need for addition of the noble metal element. That is, according to a CoFe alloy of the present invention, both the corrosion resistance and the saturation magnetic flux density Bs can be improved, and specifically, the above-mentioned saturation magnetic flux density Bs can be increased to 2.35 T or more.
摘要翻译： 本发明的软磁性膜是由Co和Fe组成的镀膜，并且设置在膜厚度方向上延伸的柱状晶体。 在本发明中，提供了沿膜厚方向延伸的柱状晶体，从而可以实现膜表面的粗糙度的提高和耐腐蚀性的提高。 此外，通过使晶体细化并且不需要添加贵金属元素，也可以提高饱和磁通密度Bs。 也就是说，根据本发明的CoFe合金，可以提高耐腐蚀性和饱和磁通密度Bs，特别是上述饱和磁通密度Bs可以提高到2.35T以上。
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10.发明授权公开(公告)号：US07113367B2
公开(公告)日：2006-09-26
申请号：US10660165
申请日：2003-09-10
申请人： Hisayuki Yazawa , Yoshihiro Kanada
发明人： Hisayuki Yazawa , Yoshihiro Kanada
CPC分类号： B82Y25/00 , B82Y10/00 , C25D3/562 , C25D5/18 , C25D7/001 , G11B5/3109 , G11B5/3116 , G11B5/313 , G11B5/3163 , G11B5/3903 , G11B5/3909 , G11B5/3967 , G11B2005/3996 , H01F10/14
摘要： A soft magnetic film composed of an alloy represented by the formula FeNiRe is used for forming a lower core layer and/or an upper core layer. Since having a high saturated magnetic flux density, a high resistivity, superior corrosion resistance, and a small loss in a high frequency signal region, the FeNiRe alloy can be used for forming a highly reliable thin film magnetic head.
摘要翻译： 由式FeNiRe表示的合金构成的软磁性膜用于形成下芯层和/或上芯层。 由于具有高饱和磁通密度，高电阻率，优异的耐腐蚀性和高频信号区域的小损耗，因此可以使用FeNiRe合金来形成高可靠性的薄膜磁头。
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