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    • 2. 发明授权
    • Planar magnetic element
    • 平面磁性元件
    • US06404317B1
    • 2002-06-11
    • US08701996
    • 1996-08-23
    • Tetsuhiko MizoguchiToshiro SatoMasashi SahashiMichio HasegawaHiroshi TomitaAtsuhito Sawabe
    • Tetsuhiko MizoguchiToshiro SatoMasashi SahashiMichio HasegawaHiroshi TomitaAtsuhito Sawabe
    • H01F500
    • H01F17/0006H01F2017/0066H01F2017/0086Y10T29/4902
    • Disclosed herein is a planar magnetic element comprising a substrate, a first magnetic layer arranged over the substrate, a first insulation layer arranged over the first magnetic layer, a planer coil formed of a conductor, having a plurality of turns, arranged over the first insulation layer and having a gap aspect ratio of at least 1, the gap aspect ratio being the ratio of the thickness of the conductor to the gap between any adjacent two of the turns, a second insulation layer arranged over the planar coil, and a second magnetic layer arranged over the second insulation layer. When used as an inductor, the planar magnetic element has a great quality coefficient Q. When used as a transformer, it has a large gain and a high voltage ratio. Since the element is small and thin, it is suitable for use in an integrated circuit, and can greatly contribute to miniaturization of electronic devices.
    • 本文公开了一种平面磁性元件,包括基板,布置在基板上的第一磁性层,布置在第一磁性层上的第一绝缘层,由导体形成的具有多个匝的平面线圈,布置在第一绝缘层 并且具有至少为1的间隙宽高比,间隙宽高比是导体的厚度与任何相邻的两个匝之间的间隙的比率,布置在平面线圈上的第二绝缘层和第二磁性 层布置在第二绝缘层上。 当用作电感器时,平面磁性元件具有很高的质量系数Q.当用作变压器时,其具有大的增益和高电压比。 由于元件小而薄,因此适用于集成电路,并且可以极大地有助于电子设备的小型化。
    • 7. 发明授权
    • Amorphous magnetic thin film and plane magnetic element using same
    • 非晶磁性薄膜和使用其的平面磁性元件
    • US5522946A
    • 1996-06-04
    • US266757
    • 1994-06-28
    • Hiroshi TomitaTetsuo InoueHiromi FukeToshiro SatoTetsuhiko Mizoguchi
    • Hiroshi TomitaTetsuo InoueHiromi FukeToshiro SatoTetsuhiko Mizoguchi
    • C22C45/00H01F10/12H01F10/13H01F10/16H01F19/00H01F30/10H01F1/153
    • H01F10/131H01F10/132H01F30/10
    • An amorphous magnetic thin film possesses as at least part of a thin film forming area a microstructure composed of a first amorphous phase containing at least either of iron and cobalt and bearing magnetism and a second amorphous phase disposed round the first amorphous phase and containing boron and at least one element selected from among the elements of the 4B Group in the Periodic Table of Elements and exhibits uniaxial magnetic anisotropy in the plane of film. The amorphous magnetic thin film possesses soft magnetism concurrently satisfying high saturation magnetization and high resistivity and, at the same time, easily acquires high frequency permeability by applying magnetic field in the hard axis of magnetization. Use of these amorphous magnetic thin films for plane magnetic elements permits the plane magnetic elements to be miniaturized and to be endowed with exalted performance. The amorphous magnetic thin film possesses a composition substantially represented by the formula:(Fe.sub.1-x Co.sub.x).sub.1-y (B.sub.1-z X.sub.z).sub.y(wherein X stands for at least one element selected from among the 4B Group elements and x, y, and z stand for numerals satisfying the expressions, 0
    • 无定形磁性薄膜至少具有薄膜形成区域的至少一部分,该微结构由包含铁和钴中的至少一种和承载磁性的第一非晶相组成,而第二非晶相设置在第一非晶相周围并含有硼和 选自元素周期表4B族的元素中的至少一种元素,并且在膜的平面中显示单轴磁各向异性。 非晶磁性薄膜具有同时满足高饱和磁化强度和高电阻率的软磁性,同时通过在硬磁化轴上施加磁场容易地获得高频磁导率。 这些非晶磁性薄膜用于平面磁性元件允许平面磁性元件小型化并赋予高级性能。 非晶磁性薄膜具有基本上由式(Fe1-xCox)1-y(B1-zXz)y表示的组成(其中X表示选自4B族元素中的至少一种元素,x,y和 z表示满足表达式0
    • 10. 发明授权
    • High-frequency magnetic property measuring apparatus with wound
plane-shaped conductors for measuring soft magnetic films
    • 具有用于测量软磁膜的卷绕平面形导体的高频磁性测量装置
    • US5537036A
    • 1996-07-16
    • US117840
    • 1993-09-08
    • Toshiro SatoTetsuhiko Mizoguchi
    • Toshiro SatoTetsuhiko Mizoguchi
    • G01N27/72G01R33/12
    • G01R33/12G01N27/72
    • A high frequency magnetic property measuring apparatus for soft magnetic film includes a magnetic detection device for detecting the intensity of magnetization in a sample material, a high frequency magnetic field generator for generating magnetic field, a power source for supplying current to the magnetic field generator, and a data processing device for getting high frequency magnetic parameters of the sample by using a detection signal output from the magnetic detector. The magnetic field generator is made up of a plane-shaped coil of a conductor having a configuration in which both ends of the plane-shaped coil are closed to form a cavity as a second internal cavity in which the detector is placed. The magnetic detector is made up of a plane-shaped coil of a conductor having a configuration in which both ends of said plane-shaped coil are closed to form a cavity as a first internal cavity in which the sample material is placed. The magnetic detector is placed in the magnetic field generator.
    • 用于软磁性膜的高频磁特性测量装置包括用于检测样品材料中的磁化强度的磁检测装置,用于产生磁场的高频磁场发生器,用于向磁场发生器提供电流的电源, 以及用于通过使用从磁检测器输出的检测信号来获取样品的高频磁参数的数据处理装置。 磁场发生器由具有其中平面线圈的两端关闭以形成空腔的导体的平面线圈构成,其中放置检测器的第二内腔。 磁检测器由具有其中所述平面线圈的两端关闭以形成空腔作为其中放置样品材料的第一内部空腔的结构的导体的平面线圈构成。 磁检测器放置在磁场发生器中。