会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明申请
    • In-magnetic-field heat-treating device
    • 磁场热处理装置
    • US20060082035A1
    • 2006-04-20
    • US10545585
    • 2004-02-18
    • Eiji SugiyamaMasaaki AokiHiroyuki KenjuRyouichi UtsumiKiichi Itagaki
    • Eiji SugiyamaMasaaki AokiHiroyuki KenjuRyouichi UtsumiKiichi Itagaki
    • C21D9/00C21D1/04H01F1/00
    • G11B5/852
    • A magnetic annealing device for inserting a recording medium 1 provided with an axial hole formed at a center thereof and having a disk shape into a chamber 10 and applying a heat treatment to the recording medium 1 in a magnetic field is provided with a magnetic circuit for forming a magnetic field in the chamber 10, the magnetic circuit comprises a pair of magnets 4 and 5 disposed with a distance therebetween along an axial direction of the axial hole and having magnetic fields directionally opposed to each other and a first ferromagnetic substance 6 disposed between the pair of magnets 4 and 5, wherein the recording medium 1 to be heat-treated is disposed at an intermediate position between the pair of magnets 4 and 5 facing each other in the state in which the first ferromagnetic substance 6 is inserted into the axial hole. A second ferromagnetic substance 7 having a ring shape is preferably disposed in a periphery of the recording medium 1.
    • 一种用于将设置有形成在其中心并具有盘形的轴向孔的记录介质1插入到室10中并且在磁场中对记录介质1进行热处理的磁性退火装置设置有用于 在室10中形成磁场,磁路包括一对磁体4,5,它们沿着轴向孔的轴向设置有一定距离,并且具有相互定向相对的磁场和第一铁磁体6, 一对磁体4和5,其中待热处理的记录介质1设置在一对磁体4和5之间的中间位置处,在第一铁磁性物质6插入到轴向 孔。 具有环形的第二铁磁性物质7优选设置在记录介质1的周围。
    • 3. 发明授权
    • Magnetic field generator for MRI
    • 磁场发生器用于MRI
    • US07796002B2
    • 2010-09-14
    • US11664261
    • 2004-09-30
    • Shigeo HashimotoMasaaki Aoki
    • Shigeo HashimotoMasaaki Aoki
    • H01F7/02
    • G01R33/3802G01R33/3806G01R33/383
    • There is provided a magnetic field generator for MRI 10 applicable to a variety of magnetic field generators, and capable of preventing separation of permanent magnets 20 which constitute permanent magnet groups 14a, 14b. The magnetic field generator for MRI 10 includes a pair of permanent magnet groups 14a, 14b. The pair of permanent magnet groups 14a, 14b each including a plurality of permanent magnets 20 bonded to each other, are opposed to each other with a space in between. The permanent magnet groups 14a, 14b have projections 18 projecting more outward than the area of contact with respective pole pieces 16a, 16b. A flange-shaped member 34 is attached to each outer circumferential surface of the pole pieces 16a, 16b, covering a space-facing surface 18a of the projection 18.
    • 提供了一种用于MRI 10的磁场发生器,其适用于各种磁场发生器,并且能够防止构成永磁体组14a,14b的永磁体20的分离。 用于MRI 10的磁场发生器包括一对永磁体组14a,14b。 一对永久磁铁组14a,14b,每一个包括彼此结合的多个永久磁铁20,彼此相对,并具有间隔。 永久磁体组14a,14b具有比与各个极片16a,16b接触的区域更向外突出的突出部18。 凸缘状构件34安装在极靴16a,16b的每个外圆周表面上,覆盖凸起18的面向空间的表面18a。
    • 4. 发明授权
    • Magnetic field generating device and MRI equipment using the device
    • 磁场发生装置和使用该装置的MRI设备
    • US07084633B2
    • 2006-08-01
    • US10513793
    • 2003-05-19
    • Masaaki AokiTsuyoshi Tsuzaki
    • Masaaki AokiTsuyoshi Tsuzaki
    • G01V3/00
    • G01R33/3806G01R33/383
    • A magnetic field generator (10) capable of generating a more intense magnetic field, and an MRI apparatus (200) using it are provided. Permanent magnets (12a), (12b), (14a), (14b), (16a), (16b), (18a), (18b), (20a), (20b), (22) and (24) are disposed annularly for formation of a magnetic field generation space (30). Ferromagnetic materials (26a) and (26b) are provided near the magnetic field generation space (30), at places passed by a magnetic flux. Each of the permanent magnets (12a), (14a), (16a), (18a) and (20a) surrounding the ferromagnetic material (26a) is magnetized so as to make an S pole on the side of the ferromagnetic material (26a). Each of the permanent magnets (12b), (14b), (16b), (18b) and (20b) surrounding the ferromagnetic material (26b) is magnetized so as to make an N pole on the side of the ferromagnetic material (26b). An MRI apparatus (200) is obtained by using the magnetic field generator (10).
    • 提供能够产生更强磁场的磁场发生器(10)和使用它的MRI装置(200)。 永磁体(12a),(12b),(14a),(14b),(16a),(16b),(18a),(18b),(20a) ),(22)和(24)环形地设置以形成磁场产生空间(30)。 铁磁材料(26a)和(26b)设置在磁场产生空间(30)附近,在通过磁通的地方。 围绕铁磁材料(26a)的永磁体(12a),(14a),(16a),(18a)和(20a)中的每一个被磁化以使S极在 铁磁材料(26a)。 围绕铁磁材料(26b)的每个永磁体(12b),(14b),(16b),(18b)和(20b)被磁化,以便在 铁磁材料(26b)。 通过使用磁场发生器(10)获得MRI装置(200)。
    • 7. 发明授权
    • Magnetic field generating apparatus for use in MRI
    • 用于MRI的磁场产生装置
    • US5557205A
    • 1996-09-17
    • US355163
    • 1994-12-08
    • Kimiharu OhtaMasaaki Aoki
    • Kimiharu OhtaMasaaki Aoki
    • G01R33/20A61B5/055G01R33/383H01F7/02G01V3/00
    • H01F7/0278G01R33/383
    • In a magnetic field generating apparatus for use in MRI comprising cylindrical yokes, a pair of permanent magnets of a trapezoidal section opposed in parallel with each other in the cylindrical yokes with a predetermined gap being defined between each of the pole faces of them, permanent magnets of a triangular section in adjacent with both sides of the trapezoidal permanent magnet in which a magnetic field space having a hexagonal cross section in perpendicular to the longitudinal direction defined by pole faces of the trapezoidal permanent magnets and the pole faces of the triangular permanent magnets, whereinthe trapezoidal permanent magnets comprise rare earth system permanent magnet and the direction of magnetization thereof is identical with the direction of the magnetic field in the magnetic field space, the triangular permanent magnets comprise a ferrite system permanent magnet and the direction of magnetization thereof is at a 90.degree. direction relative to the counterface to the magnetic field space, and an extreme end at a yoke abutting face of the trapezoidal permanent magnet corresponds with an extreme end at yoke abutting face of the triangular permanent magnet.
    • 在用于包括圆柱形轭铁的MRI的磁场产生装置中,一对在圆柱形轭铁中彼此平行相对的梯形部分的永久磁体在其每个极面之间限定有预定的间隙,永磁体 与梯形永久磁铁的极面相垂直的纵向方向的六角形截面的磁场空间与三角形永久磁铁的极面相邻的三角形截面, 其中所述梯形永磁体包括稀土系永磁体,并且其磁化方向与磁场空间中的磁场方向相同,所述三角形永久磁铁包括铁氧体系永磁体,并且其磁化方向在 相对于t的相对面为90°方向 磁场空间,梯形永久磁铁的磁轭邻接面的末端与三角形永久磁铁的磁轭邻接面的最末端对应。
    • 9. 发明授权
    • Superconducting device
    • 超导装置
    • US4884111A
    • 1989-11-28
    • US073408
    • 1987-07-13
    • Toshikazu NishinoMutsuko MiyakeUshio KawabeYutaka HaradaMasaaki AokiMikio Hirano
    • Toshikazu NishinoMutsuko MiyakeUshio KawabeYutaka HaradaMasaaki AokiMikio Hirano
    • H01L21/82H01L39/22
    • H01L39/228H01L21/82
    • A pair of superconducting electrodes are so formed as to interpose a smeiconductor therebetween, and a control electrode is formed on the seimiconductor through an insulator film so as to control the superconductive weak coupling state in the semiconductor between the superconducting electrodes. The distance between the superconducting electrodes is determined by the thickness of the superconductor interposed between the two electrodes, whereby the interelectrode distance is settled with a high precision to improve the uniformity of the device characteristic.And in an arrangement where two superconducting electrodes are formed on a semiconductor layer and the superconductive weak coupling state between such two electrodes is controlled by a third electrode, the gain is increadable by furnishing a varied impurity distribution in the semiconductor layer.
    • 一对超导电极形成为在其间插入半导体,并且通过绝缘膜在半导体上形成控制电极,以便控制超导电极之间的半导体中的超导弱耦合状态。 超导电极之间的距离由插入在两个电极之间的超导体的厚度决定,从而以高精度稳定电极间距离,以提高器件特性的均匀性。 并且在半导体层上形成两个超导电极并且在这两个电极之间的超导弱耦合状态由第三电极控制的布置中,通过在半导体层中提供不同的杂质分布来增加增益。