公开(公告)号：US5595608A

公开(公告)日：1997-01-21

申请号：US333982

申请日：1994-11-02

申请人： Katashi Takebuchi ,  Shinya Fujito ,  Shinya Hashimoto ,  Koichi Yajima

发明人： Katashi Takebuchi ,  Shinya Fujito ,  Shinya Hashimoto ,  Koichi Yajima

IPC分类号： H01F1/057 ,  H01F1/03

CPC分类号： H01F1/0577

摘要： A permanent magnet which contains R, T and B as main ingredients wherein R is Y or a rare earth element and T is Fe or Fe and Co and has a primary phase of R.sub.2 T.sub.14 B is produced by compacting a mixture of 60 to 95 wt % of a primary phase-forming master alloy and a grain boundary phase-forming master alloy both in powder form and sintering the compact. The primary phase-forming master alloy has columnar crystal grains of R.sub.2 T.sub.14 B with a mean grain size of 3-50 .mu.m and grain boundaries of an R rich phase and contains 26-32 wt % of R. The grain boundary phase-forming master alloy is a crystalline alloy consisting essentially of 32-60 wt % of R and the balance of Co or Co and Fe. In anther form, a permanent magnet which contains R, T and B as main ingredients wherein R is yttrium or a rare earth element, T is Fe or Fe+Co/Ni and has a primary phase of R.sub.2 T.sub.14 B is produced by compacting a mixture of a primary phase-forming master alloy and a grain boundary-forming master alloy both in powder form and sintering the compact. The primary phase-forming master alloy has a primary phase of R.sub.2 T.sub.14 B and grain boundaries of an R rich phase. The grain boundary-forming master alloy contains 40-65 wt % of R, 30-60 wt % of Fe, Co or Ni and 1-12 wt % of Sn, In or Ga.

摘要翻译： 含有R，T和B作为主要成分的永磁体，其中R是Y或稀土元素，T是Fe或Fe和Co，并且具有R2T14B的初相是通过将60至95重量％的 主要成型母合金和晶界相成形母合金粉末形式并烧结成型。 主相成形母合金具有R2T14B的平均晶粒尺寸为3-50μm的柱状晶粒和富R相的晶界，并且含有26-32wt％的R。晶界相形成母合金 是基本上由32-60重量％的R和余量的Co或Co和Fe组成的结晶合金。 在花药形式中，含有R，T和B作为主要成分的永磁体，其中R是钇或稀土元素，T是Fe或Fe + Co / Ni，并且具有R2T14B的初相通过压制 主要成型母合金和晶界形成母合金，均为粉末形式并烧结成型。 主相成型母合金具有R2T14B的初相和富R相的晶界。 晶界形成母合金含有40-65重量％的R，30-60重量％的Fe，Co或Ni和1-12重量％的Sn，In或Ga。

公开(公告)号：US5431747A

公开(公告)日：1995-07-11

申请号：US19291

申请日：1993-02-18

申请人： Katashi Takebuchi ,  Koichi Yajima

发明人： Katashi Takebuchi ,  Koichi Yajima

IPC分类号： C22C33/02 ,  C22C38/00 ,  H01F1/053 ,  H01F1/057 ,  H01F1/08

CPC分类号： C22C33/02 ,  H01F1/0571 ,  H01F1/0573 ,  H01F1/0574 ,  H01F1/0577

摘要： A master alloy for magnet production, which contains as main ingredients R representing at least one element selected from rare-earth elements including Y, T representing Fe or Fe and Co, and B, and includes columnar crystal grains substantially made up of R.sub.2 T.sub.14 B, and crystal grain boundaries composed primarily of R-enriched phases having an R content higher than that of R.sub.2 T.sub.14 B, said columnar crystal grains having a mean diameter lying in the range of 3 to 50 .mu.m. The master alloy is formed into a sintered magnet through pulverization, compacting and sintering steps. The dispersion of the R-enriched phases in the master alloy is so well-enough that the R-enriched phases can also be well dispersed in the resulting sintered magnet. In addition, the master alloy is so easily pulverized that the incorporation of oxygen at the time of pulverization can be reduced. To add to this, pulverized powders having a sharp grain size distribution can be obtained, so that the sintered magnet can have crystal grains with even diameters. Thus, the sintered magnet achieved can have high magnetic characteristics.

摘要翻译： 一种用于磁体生产的母合金，其中含有作为主要成分的R代表选自包括Y，T，Fe，Fe，Co和B的稀土元素中的至少一种元素，B包括基本上由R2T14B组成的柱状晶粒，以及 晶界主要由R含量高于R2T14B的R富集相组成，所述柱状晶粒的平均直径在3〜50μm的范围内。 通过粉碎，压实和烧结步骤将母合金形成为烧结磁体。 富R相在母合金中的分散度足够好，使得富集R-的相也能很好地分散在所得的烧结磁体中。 此外，母合金容易粉碎，从而可以减少在粉碎时引入氧气。 为此，可以获得具有尖锐的粒度分布的粉碎粉末，使得烧结磁体具有均匀直径的晶粒。 因此，实现的烧结磁体可以具有高的磁特性。

公开(公告)号：US6045629A

公开(公告)日：2000-04-04

申请号：US18050

申请日：1998-02-03

申请人： Hiroshi Hasegawa ,  Shiro Sasaki ,  Yoichi Hirose ,  Shinya Fujito ,  Koichi Yajima

发明人： Hiroshi Hasegawa ,  Shiro Sasaki ,  Yoichi Hirose ,  Shinya Fujito ,  Koichi Yajima

IPC分类号： B22D13/02 ,  B22D13/10 ,  B22F1/00 ,  C22C1/04 ,  C22C33/02 ,  C22C38/00 ,  H01F1/053 ,  H01F1/057 ,  H01F1/055

CPC分类号： C22C1/0441 ,  H01F1/057 ,  H01F1/0571 ,  B22F2009/041 ,  B22F2998/10 ,  B22F2999/00

摘要： An alloy used for the production of a rare-earth magnet alloy, particularly the boundary-phase alloy in the two-alloy method is provided to improve the crushability.The alloy consists of (a) from 35 to 60% of Nd, Dy and/or Pr, 1% or less of B, and the balance being Fe, or (b) from 35 to 60% of Nd, Dy and/or Pr, 1% or less of B, and at least one element selected from the group consisting of 35% by weight or less of Co, 4% by weight or less of Cu, 3% by weight or less of Al and 3% by weight or less of Ga, and the balance being Fe. The total volume fraction of R.sub.2 Fe.sub.17 and R.sub.2 Fe.sub.14 B phases (Fe may be replaced with Cu, Co, Al or Ga) is 25% or more in the alloy. The average size of each of the R.sub.2 Fe.sub.17 and R.sub.2 Fe.sub.14 B phases is 20 .mu.m or less. The alloy can be produced by a centrifugal casting at an average accumulating rate of melt at 0.1 cm/second or less.

摘要翻译： 提供了用于生产稀土类磁体合金的合金，特别是双合金方法中的边界相合金，以提高粉碎性。 该合金由（a）35〜60％的Nd，Dy和/或Pr，1％以下的B，余量为Fe，（b）35〜60％的Nd，Dy和/ Pr，1％以下的B，以及选自Co，35重量％以下的Co，4重量％以下的Cu，3重量％以下的Al和3重量％以下的至少一种元素， 重量或更少的Ga，余量为Fe。 在合金中，R2Fe17和R2Fe14B相（Fe可以用Cu，Co，Al或Ga代替）的总体积分数为25％以上。 R2Fe17和R2Fe14B相的平均尺寸为20μm以下。 该合金可以以0.1cm /秒以下的熔融物的平均累积速度通过离心铸造来制造。

公开(公告)号：US06328825B1

公开(公告)日：2001-12-11

申请号：US09314164

申请日：1999-05-19

申请人： Hiroshi Hasegawa ,  Shiro Sasaki ,  Yoichi Hirose ,  Shinya Fujito ,  Koichi Yajima

发明人： Hiroshi Hasegawa ,  Shiro Sasaki ,  Yoichi Hirose ,  Shinya Fujito ,  Koichi Yajima

IPC分类号： B22D1300

CPC分类号： H01F1/0571 ,  H01F1/0551

摘要： An alloy used for the production of a rare-earth magnet alloy, particularly the boundary-phase alloy in the two-alloy method is provided to improve the crushability. The Alloy consists of (a) from 35 to 60% of Nd, Dy and/or Pr, and the balance being Fe, or (b) from 35 to 60% of Nd, Dy and/or Pr, and at least one element selected from the group consisting of 35% by weight or less of Co, 4% by weight or less of Cu, 3% by weight or less of Al and 3% by weight or less of Ga, and the balance being Fe. The volume fraction of R2Fe17 phase (Fe may be replaced with Cu, Co, Al or Ga) is 25% or more in the alloy and the average size of an R2Fe17 phase is 20 &mgr;m or less. The alloy can be produced by a centrifugal casting at an average accumulating rate of melt at 0.1 cm/second or less.

摘要翻译： 提供了用于生产稀土类磁体合金的合金，特别是双合金方法中的边界相合金，以提高粉碎性。 该合金由（a）35〜60％的Nd，Dy和/或Pr，余量为Fe，或（b）35〜60％的Nd，Dy和/或Pr，以及至少一种元素 选自Co占35重量％或更少，Cu为4重量％以下，Al为3重量％以下，Ga为3重量％以下，余量为Fe。 在合金中，R2Fe17相（Fe可以被Cu，Co，Al或Ga代替）的体积分数为25％以上，R2Fe17相的平均粒径为20μm以下。 该合金可以以0.1cm /秒以下的熔融物的平均累积速度通过离心铸造来制造。

公开(公告)号：US5948179A

公开(公告)日：1999-09-07

申请号：US968005

申请日：1997-11-12

申请人： Hiroshi Hasegawa ,  Shiro Sasaki ,  Yoichi Hirose ,  Shinya Fujito ,  Koichi Yajima

发明人： Hiroshi Hasegawa ,  Shiro Sasaki ,  Yoichi Hirose ,  Shinya Fujito ,  Koichi Yajima

IPC分类号： B22D13/02 ,  B22D13/10 ,  C22C38/00 ,  H01F1/055 ,  H01F1/057 ,  H01F1/06

CPC分类号： H01F1/0551 ,  H01F1/055 ,  H01F1/0571

摘要： An alloy used for the production of a rare-earth magnet alloy, particularly the boundary-phase alloy in the two-alloy method is provided to improve the crushability.The Alloy consists of (a) from 35 to 60% of Nd, Dy and/or Pr, and the balance being Fe, or (b) from 35 to 60% of Nd, Dy and/or Pr, and at least one element selected from the group consisting of 35% by weight or less of Co, 4% by weight or less of Cu, 3% by weight or less of Al and 3% by weight or less of Ga, and the balance being Fe. The volume fraction of R.sub.2 Fe.sub.17 phase (Fe may be replaced with Cu, Co, Al or Ga) is 25% or more in the alloy and the average size of an R.sub.2 Fe.sub.17 phase is 20 .mu.m or less. The alloy can be produced by a centrifugal casting at an average accumulating rate of melt at 0.1 cm/second or less.

摘要翻译： 提供了用于生产稀土类磁体合金的合金，特别是双合金方法中的边界相合金，以提高粉碎性。 该合金由（a）35〜60％的Nd，Dy和/或Pr，余量为Fe，或（b）35〜60％的Nd，Dy和/或Pr，以及至少一种元素 选自Co占35重量％或更少，Cu为4重量％以下，Al为3重量％以下，Ga为3重量％以下，余量为Fe。 在合金中，R2Fe17相的体积分数（Fe可以被Cu，Co，Al或Ga代替）为25％以上，R2Fe17相的平均粒径为20μm以下。 该合金可以以0.1cm /秒以下的熔融物的平均累积速度通过离心铸造来制造。

公开(公告)号：US5181973A

公开(公告)日：1993-01-26

申请号：US723970

申请日：1991-07-01

申请人： Kazunori Hirose ,  Shinya Hashimoto ,  Koichi Yajima

发明人： Kazunori Hirose ,  Shinya Hashimoto ,  Koichi Yajima

IPC分类号： C22C38/00 ,  C22C38/60 ,  H01F1/057 ,  H01F1/08

CPC分类号： H01F1/0577

摘要： The sintered permanent magnet of the invention has a composition of the formula:(R.sub.1-.alpha. Dy.sub..alpha.).sub.a Fe.sub.(100-a-b-c-d-e) B.sub.b Al.sub.c Sn.sub.d M.sub.ewherein R is at least one rare earth element exclusive of Dy, M is at least one element selected from the group consisting of Co, Nb, W, V, Ta, Mo, Ti, Ni, Bi, Cr, Mn, Sb, Ge, Zr, Hf, Si, In, and Pb, and 0.01.ltoreq..alpha.0.5, 8.ltoreq.a.ltoreq.30, 2.ltoreq.b.ltoreq.28, 0.2.ltoreq.c.ltoreq.2, 0.03.ltoreq.d.ltoreq.0.5, and 0.ltoreq.e.ltoreq.3. The sintered permanent magnet of R-Fe-B system has excellent thermal stability and high maximum energy product.

摘要翻译： 本发明的烧结永磁体具有下式的组成：（R 1 -Al 2 O 3）a Fe（100-abcde）BbAlcSndMe其中R是除Dy以外的至少一种稀土元素，M是选自 由Co，Nb，W，V，Ta，Mo，Ti，Ni，Bi，Cr，Mn，Sb，Ge，Zr，Hf，Si，In和Pb组成的组和0.01 < / = a 。 R-Fe-B系列烧结永磁体具有优异的热稳定性和最高能量产品。

公开(公告)号：US07335578B2

公开(公告)日：2008-02-26

申请号：US10490557

申请日：2003-04-09

申请人： Masateru Fukuoka ,  Munehiro Hatai ,  Satoshi Hayashi ,  Yasuhiko Oyama ,  Shigeru Danjo ,  Masahiko Kitamura ,  Koichi Yajima

发明人： Masateru Fukuoka ,  Munehiro Hatai ,  Satoshi Hayashi ,  Yasuhiko Oyama ,  Shigeru Danjo ,  Masahiko Kitamura ,  Koichi Yajima

IPC分类号： H01L21/00

CPC分类号： H01L21/6835 ,  B24B7/228 ,  B24B41/068 ,  H01L21/304 ,  H01L21/67092 ,  H01L21/67132 ,  H01L21/6836 ,  H01L21/78 ,  H01L2221/68327 ,  H01L2221/6834 ,  Y10S438/977

摘要： A semiconductor wafer (W) where circuits are formed in the area divided by streets is split into semiconductor chips having individual circuits. By interposing an adhesive sheet, whose adhesive force is lowered by stimulation, between the semiconductor wafer (W) and the support plate (13), the front side of the semiconductor wafer (W) is adhered to the support plate (13), thereby exposing the rear face (10) of the semiconductor wafer (W). The rear face (10) of the semiconductor wafer (W) with the support plate (13) is ground. After the grinding is finished, the semiconductor wafer (W) held with the rear face (10) up is diced into semiconductor chips (C). The adhesive sheet is given stimulus to lower the adhesive force and the semiconductor chips (C) are removed from the support plate (13). The semiconductor wafer and semiconductor chips are always supported by the support plate, avoiding damage and deformation.

摘要翻译： 在由街道划分的区域中形成电路的半导体晶片（W）被分成具有单独电路的半导体芯片。 通过在半导体晶片（W）和支撑板（13）之间插入粘合剂片（其粘合力被刺激而降低），半导体晶片（W）的前侧被粘附到支撑板（13），由此 暴露半导体晶片（W）的背面（10）。 研磨具有支撑板（13）的半导体晶片（W）的背面（10）。 研磨完成后，将保持有背面（10）的半导体晶片（W）切成半导体芯片（C）。 给予粘合片刺激以降低粘合力，并且将半导体芯片（C）从支撑板（13）移除。 半导体晶片和半导体芯片总是由支撑板支撑，避免损坏和变形。

公开(公告)号：US20050180727A1

公开(公告)日：2005-08-18

申请号：US11056778

申请日：2005-02-11

申请人： Koichi Yajima ,  Kazuhiko Ito

发明人： Koichi Yajima ,  Kazuhiko Ito

IPC分类号： H01R35/02 ,  G02B6/00

CPC分类号： H01R35/025

摘要： In the rotating connector wherein the rotor having the inner tube is rotatably coupled with the stator having the outer tube, and the flat cable is contained in the annular space defined between the outer tube and the inner tube, the cable winding direction is reversed at the intermediate section, and the intermediate reversing section of the flat cable is passed through the opening of the holder that is rotatably arranged in the annular space. A guiding wall having the outer surface eccentric to the rotating axis of the rotor is provided on the annular flat plate of the holder, and the flat cable is wound on the outer surface of the guiding wall in the wound-back state.

摘要翻译： 在具有内管的转子与具有外管的定子可旋转地连接的旋转连接器中，并且扁平电缆容纳在限定在外管和内管之间的环形空间中，电缆缠绕方向在 中间部分和扁平电缆的中间反转部分通过可旋转地布置在环形空间中的保持器的开口。 在保持器的环形平板上设置有具有偏心于转子的旋转轴线的外表面的导向壁，并且扁平电缆以卷绕状态卷绕在导向壁的外表面上。

公开(公告)号：US06852608B2

公开(公告)日：2005-02-08

申请号：US10250916

申请日：2002-11-15

申请人： Masahiko Kitamura ,  Koichi Yajima ,  Yusuke Kimura ,  Tomotaka Tabuchi

发明人： Masahiko Kitamura ,  Koichi Yajima ,  Yusuke Kimura ,  Tomotaka Tabuchi

IPC分类号： H01L21/00 ,  H01L21/301 ,  H01L21/304 ,  H01L21/44 ,  H01L21/68 ,  H01L21/78 ,  H01L21/784

CPC分类号： H01L21/67132 ,  H01L21/3043 ,  H01L21/78 ,  Y10S438/977

摘要： A semiconductor wafer is applied to a support disk via an intervening adhesive layer with the front side of the semiconductor wafer facing the adhesive layer, which is sensitive to a certain exterior factor for reducing its adhesive force; the semiconductor wafer is ground on the rear side; the wafer-and-support combination is applied to a dicing adhesive tape with the so ground rear side facing the dicing adhesive tape, which is surrounded and supported by the circumference by a dicing frame; the certain exterior factor is effected on the intervening adhesive layer to reduce its adhesive force; and the intervening adhesive layer and support disk are removed from the semiconductor wafer or chips without the possibility of damaging the same.

摘要翻译： 将半导体晶片通过中间粘合剂层施加到支撑盘上，其中半导体晶片的正面朝向粘合剂层，该粘合剂层对某一外部因素敏感以减小其粘附力; 半导体晶片在后侧被研磨; 将晶片和支撑组合应用于切割粘合带，其具有如此接地的后侧面向切割粘合带，该切割粘合带由切割架围绕并由圆周支撑; 某些外部因素在中间粘合剂层上实现，以降低其粘附力; 并且中间粘合剂层和支撑盘从半导体晶片或芯片移除，而不会损坏半导体晶片或芯片。

公开(公告)号：US06982211B2

公开(公告)日：2006-01-03

申请号：US10999963

申请日：2004-12-01

申请人： Koichi Yajima ,  Satoshi Tateiwa ,  Kazuma Sekiya

发明人： Koichi Yajima ,  Satoshi Tateiwa ,  Kazuma Sekiya

IPC分类号： H01L21/301

CPC分类号： H01L21/67092 ,  H05K3/0044 ,  H05K3/0052

摘要： A water jet processing method for cutting a workpiece having a first group composed of first plural cutting lines extending in a predetermined direction and a second group composed of second plural cutting lines formed perpendicular to the plural cutting lines of the first group along the plural cutting lines of the first group and the plural cutting lines of the second group formed on the workpiece by injecting a water jet, which comprises a first cutting step for injecting a water jet to the cutting lines of the first group continuously and a second cutting step for injecting a water jet to the cutting lines of the second group continuously while the workpiece is supported by a support member.

摘要翻译： 一种用于切割具有第一组的工件的喷水处理方法，所述第一组由沿预定方向延伸的第一多个切割线组成，所述第二组沿着所述多个切割线垂直于所述第一组的多个切割线形成的第二多个切割线 和通过喷射水射流在工件上形成的多个切割线，其包括用于连续地向第一组的切割线喷射水射流的第一切割步骤和用于喷射的第二切割步骤 当工件被支撑构件支撑时，连续地向第二组的切割线进行水射流。