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    PROCESS FOR PRODUCING SiC SINGLE-CRYSTAL SUBSTRATE
    2.
    发明公开
    PROCESS FOR PRODUCING SiC SINGLE-CRYSTAL SUBSTRATE 有权
    苏黎世赫尔辛基SIC-EINKRISTALLSUBSTRATS

    公开(公告)号：EP1855312A1

    公开(公告)日：2007-11-14

    申请号：EP05710517.3

    申请日：2005-02-22

    申请人： Neomax Co., LTD

    发明人： HIROOKA, Taisuke

    IPC分类号： H01L21/3065

    CPC分类号： H01L21/0475 ,  C30B29/36 ,  C30B33/12 ,  Y10S438/931

    摘要： A method of manufacturing an SiC single crystal wafer according to the present invention includes the steps of: (a) preparing an SiC single crystal wafer 10 with a mirror-polished surface; (b) oxidizing the surface of the SiC single crystal wafer 10 with plasma, thereby forming an oxide layer 12 on the surface of the SiC single crystal wafer; and (c) removing at least a portion of the oxide layer 12 by a reactive ion etching process. Preferably, the surface of the wafer is planarized by repeatedly performing the steps (b) and (c) a number of times.

    摘要翻译： 根据本发明的制造SiC单晶晶片的方法包括以下步骤：（a）制备具有镜面抛光表面的SiC单晶晶片10; （b）用等离子体氧化SiC单晶晶片10的表面，从而在SiC单晶晶片的表面上形成氧化物层12; 和（c）通过反应离子蚀刻工艺除去氧化物层12的至少一部分。 优选地，通过重复执行步骤（b）和（c）多次来平坦化晶片的表面。

    PROCESS AND SYSTEM FOR PRODUCING GRANULATION POWDER OF RARE EARTH ALLOY AND PROCESS FOR PRODUCING SINTERED OBJECT OF RARE EARTH ALLOY
    3.
    发明公开
    PROCESS AND SYSTEM FOR PRODUCING GRANULATION POWDER OF RARE EARTH ALLOY AND PROCESS FOR PRODUCING SINTERED OBJECT OF RARE EARTH ALLOY 有权
    生产烧结百分点稀土合金的方法和系统稀土合金GRANULIERPULVER和方法的生产

    公开(公告)号：EP1642661A4

    公开(公告)日：2007-10-10

    申请号：EP04734936

    申请日：2004-05-26

    申请人： NEOMAX CO LTD

    发明人： NAKAMURA AKIRA ,  NAKASHIMA SUMIHITO ,  OTANI TOMOIKU

    IPC分类号： B22F3/02 ,  B22F1/00 ,  B22F9/04 ,  H01F1/053 ,  H01F1/057 ,  H01F1/06 ,  H01F41/02

    CPC分类号： H01F41/0273 ,  B22F9/04 ,  B22F2009/045 ,  B22F2998/00 ,  C22C1/002 ,  C22C2202/02 ,  H01F1/0577 ,  C22C1/0441

    摘要： A process for producing granulation powder comprising a step for providing powder of rare earth alloy having remanent magnetization, a step for feeding the powder to a track (22) defined by a side face (22a) and a bottom face (22b) inclining downward toward the side face, and a step for imparting kinetic energy to the powder by vibrating the track and performing granulation under substantially zero magnetic field utilizing cohesive force caused by remanent magnetization of the powder and rolling action caused by kinetic energy while transporting the powder in the longitudinal direction of the track. Granulation powder of rare earth alloy exhibiting excellent fluidity and press moldability and capable of producing a magnet having excellent magnetic characteristics can thereby be obtained.

    摘要翻译： 一种用于制作造粒粉gemäß到本发明方法包括以下步骤：准备带有剩磁的稀土类合金粉末; 供给粉末到轨道22的所有其由侧表面22a和下表面22b中没有被倾斜的，从而减小其朝向侧表面高度限定; 和轨道上设置的振动，得到粉末动能，由此，沿所述轨道的长度的粉末，并通过由粉末和翻滚的剩磁产生的结块力利用制粒基本上零磁场下的粉末 由动能产生的动作。 其结果是，稀土类合金的造粒粉，其具有良好的流动能力和良好的成形性，并且使得能够生产具有优良磁性的磁铁，可制得。

    MRI MAGNETIC FIELD GENERATOR
    5.
    发明授权
    MRI MAGNETIC FIELD GENERATOR 有权
    磁铁IMAGING磁共振

    公开(公告)号：EP1004270B1

    公开(公告)日：2007-04-04

    申请号：EP99925356.0

    申请日：1999-06-16

    申请人： Neomax Co., Ltd.

    发明人： AOKI, Masaaki

    IPC分类号： G01R33/383

    CPC分类号： G01R33/383 ,  G01R33/389

    摘要： An MRI magnetic field generator so constructed as to enhance a heat efficiency by reducing variations in temperature without a sacrifice in magnetic field uniformity and to be able to control a permanent magnet temperature with high accuracy, comprising temperature controlling heaters (10, 11) embedded and incorporated in base yolks (3, 3) which form magnetic path forming members, wherein, when the temperature controlling heaters (10, 11) are heated by a temperature controller according to temperatures detected by a temperature sensor (12), permanent magnets (5, 5) disposed in the vicinities of the base yolks are heated efficiently to thereby provide an excellent control follow-up and wherein heat from heaters is conducted through the base yolks to directly reach the permanent magnets to thereby permit very efficient heat control without heat loss due to heat dissipation to the outside.

    IRON-BASED RARE-EARTH-CONTAINING NANOCOMPOSITE MAGNET AND PROCESS FOR PRODUCING THE SAME
    6.
    发明公开
    IRON-BASED RARE-EARTH-CONTAINING NANOCOMPOSITE MAGNET AND PROCESS FOR PRODUCING THE SAME 有权
    含稀土对铁基磁性纳米复合材料和方法及其

    公开(公告)号：EP1762632A1

    公开(公告)日：2007-03-14

    申请号：EP06729656.6

    申请日：2006-03-22

    申请人： Neomax Co., LTD

    发明人： KANEKIYO, Hirokazu ,  HIROSAWA, Satoshi ,  MIYOSHI, Toshio

    IPC分类号： C22C38/00 ,  B22D11/06 ,  B22F3/00 ,  B22F9/08 ,  C21D6/00 ,  C22C1/04 ,  C22C19/00 ,  C22C33/02 ,  H01F1/053 ,  H01F1/06 ,  H01F41/02

    CPC分类号： B22D11/0611 ,  B22F9/008 ,  B22F2998/00 ,  B22F2998/10 ,  B82Y25/00 ,  C22C1/0441 ,  C22C33/003 ,  C22C38/002 ,  C22C38/005 ,  C22C38/10 ,  C22C38/12 ,  C22C38/14 ,  C22C45/02 ,  H01F1/0578 ,  H01F1/0579 ,  H01F1/058 ,  H01F41/0266 ,  B22F1/0044 ,  B22F9/007 ,  B22F9/04 ,  B22F1/0059 ,  B22F3/02

    摘要： An iron-based rare-earth nanocomposite magnet according to the present invention includes an Nd 2 Fe 14 B phase and an α-Fe phase and has a composition represented by the compositional formula: T 100-x-y-z-n (B 1-q C q ) x R y Ti z M n , where T is at least one transition metal element selected from the group consisting of Fe, Co and Ni and always including Fe, R is at least one rare-earth element including substantially no La or Ce, and M is at least one metal element selected from the group consisting of Al, Si, V, Cr, Mn, Cu, Zn, Ga, Zr, Nb, Mo, Ag, Hf, Ta, W, Pt, Au and Pb, and the mole fractions x, y, z, n and q satisfy the inequalities of: 4 at%≦x≦10 at%, 6 at%≦y≦10 at%, 0.05 at%≦z≦5 at%, 0 at%≦n≦10 at%, and 0.05≦q≦0.5, respectively. The magnet includes 5 vol% to 60 vol% of α-Fe phase with an average crystal grain size of 1 nm to 50 nm and 40 vol% to 90 vol% of Nd 2 Fe 14 B phase with an average crystal grain size of 5 nm to 100 nm. A non-magnetic phase including at least Ti and C (carbon) is present on the grain boundary between the α-Fe and Nd 2 Fe 14 B phases.

    摘要翻译： 一种铁基稀土类纳米复合磁体雅丁到本发明包括的Nd 2 Fe 14 B相和在±-Fe相，并具有由组成式表示的组成：T 100-xyzn（B 1-中，Q c q）的 X RŸ钛Z M n，其中T是选自Fe，Co和Ni中始终包含的Fe中选择的至少一种过渡金属元素，R是实质上不含有La和Ce和的至少一种稀土类元素 M是选自铝，硅，钒，铬，锰，铜，锌，镓，锆，铌，钼，银，铪，钽，W，Pt，Au和铅中选出的至少一种金属元素，和 摩尔分数X，Y，Z，n和q分别满足的不等式：4在%‰| X‰| 10原子％，6在%‰|ý‰| 10原子％00:05在%‰|ž‰| 5 原子％，0原子%‰|ñ‰| 10原子％，和0.05‰‰| q | 0.5。 所述磁体包括±-Fe相的5体积％至60体积％在1纳米至50纳米和40体积％的平均晶粒尺寸为的Nd 2 Fe 14 B相的90％（体积）与5平均结晶粒径 纳米至100纳米。一种非磁性相包含至少Ti和C（碳）存在于±-Fe和Nd 2 Fe 14 B系相之间的晶界上。

    Magnetic-field generator comprising a pole-piece unit
    10.
    发明公开
    Magnetic-field generator comprising a pole-piece unit 有权
    Magnetfeldgenerator mit einerPolstückeinheit

    公开(公告)号：EP1666910A1

    公开(公告)日：2006-06-07

    申请号：EP06110775.1

    申请日：2000-11-13

    申请人： Neomax Co., Ltd.

    发明人： Aoki, Masaaki ,  Tsuzaki, Tsuyoshi

    IPC分类号： G01R33/383 ,  H01F7/02

    CPC分类号： G01R33/3806 ,  G01R33/383 ,  H01F7/0278

    摘要： A magnetic field generator comprises a pair of pole-piece units. The pair of pole-piece units respectively include plate yokes (12a,12b). Each of the plate yokes includes a surface facing the other's and provided with a permanent magnet group and a pole piece. The pole piece includes an annular projection (32) having a plurality of annular-projection pieces (34) and a permanent magnet (40) for reduction of magnetic flux leakage installed on an outside surface of each annular-projection piece. When assembling the pole piece, first, the permanent magnet for reduction of magnetic flux leakage is fixed on the outside surface of each annular-projection piece (34). At this time, the permanent magnet is slid on the flat outside surface of the annular-projection piece, to a desired position on the annular-projection piece, and then fixed. Each of the annular-projection pieces mounted with the permanent magnet is fixed on a base plate. At this time, the annular-projection piece is lowered on a guide stake attached on the base plate, allowing the stake into a guide hole formed in the annular-projection piece, thereby guiding the annular-projection piece onto the base plate.

    摘要翻译： 磁场发生器包括一对极片单元。 一对极靴单元分别包括板状轭（12a，12b）。 每个板状轭铁包括面对另一个的表面，并且设置有永磁体组和极片。 极片包括具有多个环形突起片（34）的环形突起（32）和用于减少安装在每个环形突起片的外表面上的磁通泄漏的永磁体（40）。 在组装极靴时，首先，在每个环形突片（34）的外表面上固定用于减少磁通泄漏的永久磁铁。 此时，将永磁体在环形突起片的平坦外表面上滑动到环形突起片上的期望位置，然后固定。 安装有永磁体的每个环形突起件固定在基板上。 此时，环形突起片在安装在基板上的引导片上降低，从而使得钉扎在形成在环形突起片中的引导孔中，从而将环形突起件引导到底板上。