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1. 发明授权

US07018485B2 Apparatus for subjecting rare earth alloy to hydrogenation process and method for producing rare earth sintered magnet using the apparatus 有权
标题翻译：稀土类合金的氢化处理装置及使用该装置的稀土类烧结磁体的制造方法
公开(公告)号：US07018485B2
公开(公告)日：2006-03-28
申请号：US10381006
申请日：2002-06-25
申请人： Akihito Tsujimoto , Katsumi Okayama , Shinji Kidowaki , Tadayoshi Muneto
发明人： Akihito Tsujimoto , Katsumi Okayama , Shinji Kidowaki , Tadayoshi Muneto
IPC分类号： H01F1/057
CPC分类号： B22F9/023 , C21D1/74 , H01F1/0553 , H01F1/0557 , H01F1/0573 , H01F1/0577 , H01F1/086
摘要： An apparatus for subjecting a rare earth alloy block to a hydrogenation process includes a casing, gas inlet and outlet ports, a member arranged to produce a gaseous flow, and a windbreak plate. The casing defines an inner space for receiving a container. The container includes an upper opening and stores the rare earth alloy block therein. A hydrogen gas and an inert gas are introduced into the inner space through the gas inlet port, and are exhausted from the inner space through the gas outlet port. The gaseous flow is produced by a fan, for example, in the inner space. The windbreak plate is disposed upstream with respect to the gaseous flow that has been produced inside the inner space. Also, the windbreak plate reduces a flow rate of the gaseous flow that has been produced near the upper opening of the container.
摘要翻译：用于对稀土合金块进行氢化处理的装置包括壳体，气体入口和出口，布置成产生气流的构件和防风板。壳体限定用于容纳容器的内部空间。该容器包括上部开口并将稀土合金块存储在其中。通过气体入口将氢气和惰性气体引入内部空间，并通过气体出口从内部空间排出。气流由风扇产生，例如在内部空间中。防风板相对于在内部空间内产生的气流设置在上游。此外，防风板减少了在容器的上部开口附近产生的气流的流量。

2. 发明申请

US20050207263A1 Magnetic non-volatile memory element 有权
标题翻译：磁性非易失性存储元件
公开(公告)号：US20050207263A1
公开(公告)日：2005-09-22
申请号：US10519895
申请日：2003-07-02
申请人： Katsumi Okayama , Kaoru Kobayashi , Makoto Motoyoshi
发明人： Katsumi Okayama , Kaoru Kobayashi , Makoto Motoyoshi
IPC分类号： G11C11/15 , G11C8/02 , G11C11/16 , H01L21/76 , H01L21/8246 , H01L27/105 , H01L27/22 , H01L43/02 , H01L43/08
CPC分类号： G11C11/16 , H01L27/228 , Y10S977/935
摘要： A non-volatile magnetic memory device is proposed, which provides sufficient magnetic shielding performance for external magnetic fields. A first magnetic shield layer 60a and a second magnetic shield layer 60b, both made of a soft magnetic metal, are formed respectively on the bottom surface of the transistor section 20, which is the mounting side of the MRAM device 10, and on the top surface of the bit line 50, which is opposite to the bottom surface of the mounting side of the MRAM device 10. On the second magnetic shield layer 60a, a passivation film 70 is formed. The magnetic flux penetrated from the external magnetic field, is suppressed below the inversion strength of the MRAM device 10, thereby improving reliability. Moreover, by using soft magnetic metal as the magnetic shield layers 60a, 60b, the magnetic shield layers can be formed by the sputtering technique, particularly composing elements can be partly shared as elements of the targets to be used for forming various layers composing the MRAM device 10 by the sputtering technique, thereby enabling to form various layers of the MRAM device 10 in a single sputtering chamber efficiently.
摘要翻译：提出了一种非易失性磁存储器件，为外部磁场提供了足够的磁屏蔽性能。分别在作为MRAM器件10的安装侧的晶体管部分20的底表面上分别形成由软磁性金属制成的第一磁屏蔽层60a和第二磁屏蔽层60b，并且在位线50的与MRAM装置10的安装侧的底面相反的顶面。在第二磁屏蔽层60a上形成钝化膜70。从外部磁场穿透的磁通被抑制在MRAM装置10的反转强度以下，从而提高可靠性。此外，通过使用软磁性金属作为磁屏蔽层60a，60b，可以通过溅射技术形成磁屏蔽层，特别地，组成元件可以部分地作为用于形成构成各种层的靶的元素 MRAM器件10通过溅射技术，从而能够有效地在单个溅射室中形成MRAM器件10的各个层。

3. 发明授权

US06474576B1 Milling apparatus and milling method 有权
公开(公告)号：US06474576B1
公开(公告)日：2002-11-05
申请号：US09522472
申请日：2000-03-09
申请人： Akiyasu Oota , Akihito Tsujimoto , Katsumi Okayama
发明人： Akiyasu Oota , Akihito Tsujimoto , Katsumi Okayama
IPC分类号： B02C1912
CPC分类号： B02C19/06 , B02C23/16 , B02C25/00
摘要： A milling apparatus comprises a mill for milling of an object material such as a rare-earth alloy. The mill includes a mill main body. A classifying rotor for classification of a powder is provided inside and at an upper portion of the mill main body. The mill main body has an outer circumference provided with three leg portions spaced equally from each other. Each of the leg portions supports the mill main body at a position above the center of gravity of the mill. Each of the leg portions is provided with a weight detector for detection of a weight of the mill holding the object material remaining in the mill. A flexible pipe is provided between the mill and a raw material feeder for supply of the object material to the mill. Another flexible pipe is provided between the mill and a collecting tank for collection of the powder. A controlling portion controls an amount of supply of the object material to the mill by a proportional-plus-integral-plus-derivative control based on a result of the detection by the weight detectors, for maintenance of a constant amount of the object material present in the mill.

4. 发明授权

US06403024B1 Hydrogen pulverizer for rare-earth alloy magnetic material powder using the pulverizer, and method for producing magnet using the pulverizer 有权
标题翻译：使用粉碎机的稀土合金磁性材料粉末的氢粉碎机和使用粉碎机的磁体制造方法
公开(公告)号：US06403024B1
公开(公告)日：2002-06-11
申请号：US09503738
申请日：2000-02-15
申请人： Akiyasu Oota , Akihito Tsujimoto , Katsumi Okayama
发明人： Akiyasu Oota , Akihito Tsujimoto , Katsumi Okayama
IPC分类号： B22F312
CPC分类号： H01F1/0573 , B22F9/023 , C22C1/0441
摘要： A hydrogen pulverizer according to the present invention is an apparatus for subjecting a rare-earth alloy magnetic material to a hydrogen pulverization process. The apparatus includes: a hermetically sealable hydrogen furnace, which includes a furnace body with an opening and a cap for closing the opening; a loading chamber for temporarily enclosing the rare-earth alloy magnetic material when the rare-earth alloy magnetic material, which has been pulverized with hydrogen, is unloaded from the furnace body through the opening; and an inert gas supply for supplying an inert gas into the loading chamber.
摘要翻译：本发明的氢粉碎机是将稀土类合金磁性材料进行氢粉碎处理的装置。该装置包括：气密密封的氢炉，其包括具有开口的炉体和用于封闭开口的盖; 当用氢气粉碎的稀土合金磁性材料通过开口从炉体卸载时，用于临时封闭稀土合金磁性材料的装载室; 以及用于将惰性气体供应到装载室中的惰性气体供应。

5. 发明授权

US06247660B1 Process for hydrogen-pulverizing a rare earth metal-based magnetic material, and hydrogen-pulverizing case 有权
标题翻译：稀土金属类磁性材料的氢粉碎工艺和氢粉碎工艺
公开(公告)号：US06247660B1
公开(公告)日：2001-06-19
申请号：US09413353
申请日：1999-10-06
申请人： Yasuhiko Imai , Koki Tokuhara , Katsumi Okayama , Akiyasu Oota , Akihito Tsujimoto
发明人： Yasuhiko Imai , Koki Tokuhara , Katsumi Okayama , Akiyasu Oota , Akihito Tsujimoto
IPC分类号： B02C1912
CPC分类号： B01J19/02 , B01J2208/00132 , B01J2219/00081 , B01J2219/0236 , B01J2219/0277 , B22F9/023 , B22F2998/00 , H01F1/0573 , B22F1/0055
摘要： A case for hydrogen-pulverizing a rare earth metal-based magnetic material is disclosed. The case includes a case body which is formed of a material having a heat conductivity of 1 W/cm·deg or more. At least one heat-transferring/releasing member is mounted in the case body and formed of a material having a heat conductivity of 1 W/cm·deg or more. The magnetic material is accommodated in the case and subjected to a hydrogen pulverization with hydrogen occluded in the magnetic material. Thus, the heating and cooling of the magnetic material can be performed in a short time, thereby achieving the pulverization of the magnetic material with an extremely excellent
摘要翻译：公开了一种用于粉碎稀土金属基磁性材料的情况。壳体包括由导热率为1W / cm·℃以上的材料形成的壳体。至少一个传热/释放构件安装在壳体中，并由导热率为1W / cm·℃以上的材料形成。将磁性材料容纳在壳体中，并用吸入磁性材料中的氢气进行氢气粉碎。因此，可以在短时间内进行磁性材料的加热和冷却，从而以非常优异的方式实现磁性材料的粉碎

6. 发明授权

US07959821B2 Electromagnetism suppressing material, electromagnetism suppressing device, and electronic appliance 失效
标题翻译：电磁抑制材料，电磁抑制装置和电子设备
公开(公告)号：US07959821B2
公开(公告)日：2011-06-14
申请号：US11980450
申请日：2007-10-31
申请人： Yoshihiro Kato , Yoshinori Ito , Katsumi Okayama , Kaoru Kobayashi , Masaki Orihashi , Makoto Suzuki , Takashi Miyazaki
发明人： Yoshihiro Kato , Yoshinori Ito , Katsumi Okayama , Kaoru Kobayashi , Masaki Orihashi , Makoto Suzuki , Takashi Miyazaki
IPC分类号： H01B3/00 , H01Q17/00
CPC分类号： H05K9/0075
摘要： An electromagnetism suppressing material has an increased electromagnetism suppressing effect, can be flexibly formed in various shapes, and is inexpensive. An electromagnetism suppressing device uses the electromagnetism suppressing material, and an electronic appliance uses the electromagnetism suppressing material or the electromagnetism suppressing device. The electromagnetism suppressing material is a liquid material and/or gel material with electrical polarity.
摘要翻译：电磁抑制材料具有增加的电磁抑制效果，可以灵活地形成各种形状，并且便宜。电磁抑制装置使用电磁抑制材料，电子设备使用电磁抑制材料或电磁抑制装置。电磁抑制材料是具有电极性的液体材料和/或凝胶材料。

7. 发明申请

US20100193972A1 SPHERICAL SINTERED FERRITE PARTICLES, RESIN COMPOSITION FOR SEMICONDUCTOR ENCAPSULATION COMPRISING THEM AND SEMICONDUCTOR DEVICES PRODUCED BY USING THE SAME 审中-公开
标题翻译：球形烧结粉末颗粒，用于包含其使用它们的半导体器件的半导体封装的树脂组合物
公开(公告)号：US20100193972A1
公开(公告)日：2010-08-05
申请号：US12303856
申请日：2006-06-06
申请人： Kazumi Yamamoto , Masaharu Abe , Shigehisa Yamamoto , Kazushi Nishimoto , Tomohiro Dote , Kazumasa Igarashi , Kazuhiro Ikemura , Takuya Eto , Masataka Tada , Katsumi Okayama , Kaoru Kato
发明人： Kazumi Yamamoto , Masaharu Abe , Shigehisa Yamamoto , Kazushi Nishimoto , Tomohiro Dote , Kazumasa Igarashi , Kazuhiro Ikemura , Takuya Eto , Masataka Tada , Katsumi Okayama , Kaoru Kato
IPC分类号： H01L23/29 , C08K3/10 , C08K3/36
CPC分类号： C01G49/0018 , C01G49/0063 , C01G49/0072 , C01P2002/32 , C01P2002/50 , C01P2004/32 , C01P2004/51 , C01P2004/53 , C01P2004/61 , C01P2006/12 , C01P2006/14 , C01P2006/22 , C01P2006/42 , C01P2006/80 , C04B35/2625 , C04B35/265 , C04B35/6263 , C04B35/62655 , C04B35/62675 , C04B35/62685 , C04B35/62695 , C04B2235/3206 , C04B2235/3262 , C04B2235/3279 , C04B2235/3281 , C04B2235/3284 , C04B2235/528 , C04B2235/5409 , C04B2235/5436 , C04B2235/5445 , C04B2235/5472 , C04B2235/763 , C04B2235/79 , C08G59/621 , C08L63/00 , C09C1/24 , H01L23/295 , H01L23/3107 , H01L23/3128 , H01L23/552 , H01L24/45 , H01L24/48 , H01L2224/45124 , H01L2224/45144 , H01L2224/48091 , H01L2224/48227 , H01L2224/48235 , H01L2224/48247 , H01L2224/48465 , H01L2924/01012 , H01L2924/01019 , H01L2924/0102 , H01L2924/01079 , H01L2924/12042 , H01L2924/12044 , H01L2924/14 , H01L2924/15311 , H01L2924/181 , H01L2924/3025 , Y10T428/2982 , H01L2924/00014 , H01L2924/00 , H01L2924/00012
摘要： A resin composition for semiconductor encapsulation having good moldability, of which the cured product has effective electromagnetic wave shieldability, is provided. A resin composition for semiconductor encapsulation, containing spherical sintered ferrite particles having the following properties (a) to (c) : (a) the soluble ion content of the particles is at most 5 ppm; (b) the mean particle size of the particles is from 10 to 50 μm; (c) the crystal structure of the particles by X-ray diffractiometry is a spinel structure.
摘要翻译：提供了具有良好成型性的半导体封装用树脂组合物，其固化物具有有效的电磁波屏蔽性。一种半导体封装用树脂组合物，含有具有以下特性（a）〜（c）的球状烧结铁氧体颗粒：（a）颗粒的可溶性离子含量为5ppm以下，（b）颗粒的平均粒度为10〜50μm; （c）通过X射线衍射法测定的颗粒的晶体结构是尖晶石结构。

8. 发明申请

US20080197434A1 MAGNETIC MEMORY DEVICE 审中-公开
标题翻译：磁记忆装置
公开(公告)号：US20080197434A1
公开(公告)日：2008-08-21
申请号：US12101607
申请日：2008-04-11
申请人： Yoshihiro Kato , Katsumi Okayama , Kaoru Kobayashi , Tetsuya Yamamoto , Minoru Ikarashi
发明人： Yoshihiro Kato , Katsumi Okayama , Kaoru Kobayashi , Tetsuya Yamamoto , Minoru Ikarashi
IPC分类号： H01L23/552 , H01L29/82
CPC分类号： H01L23/49575 , H01L23/552 , H01L2924/0002 , H01L2924/00
摘要： A magnetic memory device in which an MRAM element is magnetically shielded from large external magnetic fields. The magnetic memory device includes: a substrate; a magnetic random access memory mounted on the substrate, the magnetic random access memory including a memory element having a magnetized pinned layer with fixed direction of magnetization and a magnetic layer with changeable direction of magnetization stacked on one another; another element mounted on the substrate; and a pair of magnetic shielding layers which magnetically shield the memory element, the magnetic shielding layers located relatively above and below the memory element and within a region corresponding to an area occupied by the memory element.
摘要翻译：一种磁存储器件，其中MRAM元件与大的外部磁场磁屏蔽。磁存储器件包括：基片; 安装在基板上的磁性随机存取存储器，所述磁性随机存取存储器包括具有固定磁化方向的磁化钉扎层和具有可变方向磁化的磁性层彼此叠置的存储元件; 安装在基板上的另一元件; 以及一对磁屏蔽层，其对存储元件进行磁屏蔽，磁屏蔽层位于相对于存储元件的上方和下方并且在对应于存储元件所占据的区域的区域内。

9. 发明申请

US20060045543A1 Electromagnetism suppressing material, electromagnetism suppressing device, and electronic appliance 审中-公开
标题翻译：电磁抑制材料，电磁抑制装置和电子设备
公开(公告)号：US20060045543A1
公开(公告)日：2006-03-02
申请号：US11185879
申请日：2005-07-21
申请人： Yoshihiro Kato , Yoshinori Ito , Katsumi Okayama , Kaoru Kobayashi , Masaki Orihashi , Makoto Suzuki , Takashi Miyazaki
发明人： Yoshihiro Kato , Yoshinori Ito , Katsumi Okayama , Kaoru Kobayashi , Masaki Orihashi , Makoto Suzuki , Takashi Miyazaki
IPC分类号： G03G15/00
CPC分类号： H05K9/0075
摘要： An electromagnetism suppressing material has an increased electromagnetism suppressing effect, can be flexibly formed in various shapes, and is inexpensive. An electromagnetism suppressing device uses the electromagnetism suppressing material, and an electronic appliance uses the electromagnetism suppressing material or the electromagnetism suppressing device. The electromagnetism suppressing material is a liquid material and/or gel material with electrical polarity.
摘要翻译：电磁抑制材料具有增加的电磁抑制效果，可以灵活地形成各种形状，并且便宜。电磁抑制装置使用电磁抑制材料，电子设备使用电磁抑制材料或电磁抑制装置。电磁抑制材料是具有电极性的液体材料和/或凝胶材料。

10. 发明授权

US06992155B2 Method for producing magnetic particle, magnetic particle and magnetic material 有权
标题翻译：磁粉，磁粉和磁性材料的制造方法
公开(公告)号：US06992155B2
公开(公告)日：2006-01-31
申请号：US10245046
申请日：2002-09-17
申请人： Katsumi Okayama , Kaoru Kobayashi , Koichiro Inomata , Satoshi Sugimoto , Yoshihiro Kato
发明人： Katsumi Okayama , Kaoru Kobayashi , Koichiro Inomata , Satoshi Sugimoto , Yoshihiro Kato
IPC分类号： C08F4/42 , C08K3/10 , C08K3/18 , B32B15/02 , B32B15/08
CPC分类号： B82Y30/00 , B22F1/0018 , B22F1/0059 , B22F9/24 , B22F9/305 , B22F2998/00 , B82Y25/00 , B82Y40/00 , C22C32/0094 , H01F1/0054 , H01F41/30 , H01F41/301 , Y10S977/777 , Y10S977/783 , Y10T428/12146 , Y10T428/254 , Y10T428/256 , Y10T428/257 , Y10T428/29 , Y10T428/2991 , Y10T428/2998 , B22F3/02
摘要： A method for producing a magnetic particle forming a magnetic material for absorbing electromagnetic waves comprises the steps of mixing an organometallic complex or a metal salt with a chain polymer and dissolving the mixture in a solvent (step S1); raising the temperature of the mixture to reaction temperature (step S2), carrying out a reaction at the reaction temperature (step S3); and forming the magnetic particle having a structure that the periphery of each fine particle formed from the organometallic complex or the metal salt is surrounded by the chain polymer and recovering the formed magnetic particle after the reaction (step S4). The magnetic particle has a nanogranular structure to become a magnetic material for absorbing electromagnetic waves. Such a magnetic particle is produced by a wet reaction. Thus, a larger amount of magnetic particle can be produced by one reaction.
摘要翻译：形成用于吸收电磁波的磁性材料的磁性颗粒的制造方法包括将有机金属络合物或金属盐与链状聚合物混合并将该混合物溶解在溶剂中的步骤（步骤S1）。将混合物的温度升至反应温度（步骤S2），在反应温度下进行反应（步骤S3）; 并形成具有由有机金属配合物或金属盐形成的各微细颗粒的周围被链状聚合物包围并在反应后回收形成的磁性颗粒的结构的磁性颗粒（步骤S4）。磁性颗粒具有纳米结构，成为吸收电磁波的磁性材料。这样的磁性颗粒是通过湿反应产生的。因此，通过一次反应可以产生更大量的磁性颗粒。

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