专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2006282436A Ceramic granule, compacted body, sintered compact, and electronic component 审中-公开
标题翻译：陶瓷颗粒，压实体，烧结紧密和电子组件
公开(公告)号：JP2006282436A
公开(公告)日：2006-10-19
申请号：JP2005103521
申请日：2005-03-31
申请人： Tdk Corp , Tdk株式会社
发明人： HARADA HIROSHI , SAWAI ATSUSHI , SAITO YUTAKA , KUMAGAI MOTOI
IPC分类号： C04B35/628 , C04B35/30
摘要： PROBLEM TO BE SOLVED: To provide ceramic granules capable of obtaining a ceramic sintered compact having high strength and excellent dimensional precision even when being made small in size, thin in thickness and light in weight. SOLUTION: The ceramic granules exhibits such grain size distribution that in the particle diameters D10, D50, D90 of 10%, 50% and 90% cumulative particles, respectively, from the smaller particle side of cumulative grain size distribution, D50 ranges from 60 to 100 μm, D90 is ≥60 μm, D90/D10 is ≤1.5 , D90/D50 is ≤1.3, and D50/D10 is ≤1.3. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：待解决的问题：即使在尺寸小，厚度薄和重量轻的情况下，也能够提供能够获得具有高强度和优异尺寸精度的陶瓷烧结体的陶瓷颗粒。解决方案：陶瓷颗粒具有如下的晶粒尺寸分布，其粒径D10，D50，D90分别为累积粒度分布的较小颗粒侧的10％，50％和90％的累积颗粒，D50范围 60〜100μm，D90≥60μm，D90 / D10≤1.5，D90 / D50≤1.3，D50 / D10≤1.3。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2004344794A Ceramic granule sieving method and sieving apparatus and ceramic granule 有权
标题翻译：陶瓷颗粒切割方法和切割装置和陶瓷颗粒
公开(公告)号：JP2004344794A
公开(公告)日：2004-12-09
申请号：JP2003145776
申请日：2003-05-23
申请人： Tdk Corp , Tdk株式会社
发明人： HARADA HIROSHI
IPC分类号： B07B1/28 , B07B1/46 , B07B1/52
摘要： PROBLEM TO BE SOLVED: To provide a sieving method and a sieving apparatus by which sieving precision and sieving efficiency can be improved and deterioration of ceramic granules, which are object to be sieved, for dry pressure molding can be suppressed and clogging of the meshes for sieveing can be lessened.
SOLUTION: Ceramic granules are mounted on the top face of a mesh 40 for sieving and while the ceramic granules being moved three-dimensional circular movement on the mesh 40 for sieving, brush bristles 52a of brushes 10a, 10b are brought into contact with the mesh 40 to prevent clogging of the mesh 40 and sieve the ceramic granules.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：待解决的问题：提供一种可以提高筛分精度和筛分效率的筛分方法和筛分装置，并且可以抑制用于干压成型的待进行筛分的陶瓷颗粒的劣化和堵塞筛网可以减轻。解决方案：陶瓷颗粒安装在筛网40的顶面以进行筛分，并且当陶瓷颗粒在筛网40上移动三维圆周运动以进行筛分时，刷子10a，10b的刷毛52a接触用网40防止网孔40的堵塞并筛分陶瓷颗粒。版权所有（C）2005，JPO＆NCIPI

3. 发明专利

JP2005197272A Ferrite core, its production process and electronic component 审中-公开
标题翻译：铁素体，其生产工艺和电子元件
公开(公告)号：JP2005197272A
公开(公告)日：2005-07-21
申请号：JP2003434848
申请日：2003-12-26
申请人： Tdk Corp , Tdk株式会社
发明人： HARADA HIROSHI
IPC分类号： H01F1/36 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide a high strength ferrite core exhibiting excellent adhesion to other ferrite core.
SOLUTION: In the ferrite core 2 having a bonding face 6 to other ferrite core, maximum height Ry of the bonding face 6 measured by a method conforming to JIS-B0601 is 10-46 μm (46 μm is excluded), and the width of a grain boundary clearance 44 appearing between two adjacent ferrite particles is 5-31 μm (31 μm is excluded) for ferrite particles 4 exposed to the bonding face 6.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供对其它铁氧体磁芯具有优异粘附性的高强度铁氧体磁心。解决方案：在具有与其它铁氧体磁芯的接合面6的铁氧体磁芯2中，通过符合JIS-B0601的方法测量的接合面6的最大高度Ry为10-46μm（不包括46μm），出现在两个相邻的铁氧体颗粒之间的晶界间隙44的宽度对于暴露于接合面6的铁氧体颗粒4为5-31μm（不包括31μm）。版权所有（C）2005，JPO＆NCIPI

4. 发明专利

JP2005019594A Ferrite core and its manufacturing method 审中-公开
标题翻译：铁素体及其制造方法
公开(公告)号：JP2005019594A
公开(公告)日：2005-01-20
申请号：JP2003180751
申请日：2003-06-25
申请人： Tdk Corp , Tdk株式会社
发明人： HARADA HIROSHI
IPC分类号： H01F3/08 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide a ferrite core having excellent heat and shock resistant properties and therefore is prevented from cracking at the time of soldering, and to provide its manufacturing method.
SOLUTION: The ferrite core consists of an aggregate of ferrite granules. The maximum height Ry of the ferrite core surface defined by JIS B0601 is 15 μm or less, more preferably 12 μm or less, and specifically preferably 10 μm or less, and the width of a grain boundary space between the ferrite granules is 20 μm or less.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供具有优异的耐热冲击性能的铁氧体磁心，并且因此防止在焊接时的开裂，并提供其制造方法。
解决方案：铁氧体磁芯由铁素体颗粒组成。由JIS B0601规定的铁氧体磁芯表面的最大高度Ry为15μm以下，更优选为12μm以下，特别优选为10μm以下，铁素体粒子之间的晶界空间的宽度为20μm，减。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2006103979A Regulation method of water content of ceramic granule and ceramic granule 有权
标题翻译：陶瓷颗粒和陶瓷颗粒水含量的调节方法
公开(公告)号：JP2006103979A
公开(公告)日：2006-04-20
申请号：JP2004288778
申请日：2004-09-30
申请人： Tdk Corp , Tdk株式会社
发明人： HARADA HIROSHI , MATSUI SHIGEKI
IPC分类号： C04B35/628 , C04B35/30
摘要： PROBLEM TO BE SOLVED: To provide a regulation method of the water content of a ceramic granule capable of regulating the average water content of the whole granule to a targeted value, minimizing the variation of the water content of each granule, and restraining the generation of agglomerates. SOLUTION: In this regulation method of the water content of the ceramic granule, the ceramic granule is charged in a capsule 4 which is capable of rotating around a shaft and shaking up-and-down and right-and-left, and a mist made by an ultrasonic humidifying unit 10 to a 50% average particle diameter (D50) of 1-30 μm is atomized in the capsule 4, while rotating and shaking the capsule 4, and the moisture is given to the ceramic granule in the capsule 4. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供能够将整个颗粒的平均含水量调节到目标值的陶瓷颗粒的含水量的调节方法，使每个颗粒的含水量的变化最小化，并限制产生附聚物。
解决方案：在陶瓷颗粒的含水量调节方法中，将陶瓷颗粒装入能够围绕轴旋转并且上下左右左右旋转的胶囊4，超声波加湿装置10对50％平均粒径（D50）为1〜30μm的薄雾在胶囊4中进行雾化，同时使胶囊4旋转摇晃，并将水分赋予陶瓷颗粒胶囊4.版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2004299977A Method of manufacturing ferrite granule, ferrite formed body, ferrite sintered compact and electronic component 有权
公开(公告)号：JP2004299977A
公开(公告)日：2004-10-28
申请号：JP2003095774
申请日：2003-03-31
申请人： Tdk Corp , Tdk株式会社
发明人： HARADA HIROSHI
IPC分类号： B01J2/16 , B01J2/28 , B01J2/30 , C04B35/622 , H01F1/36
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a ferrite granule by which ferrite sintered compact free from surface defect is obtained. SOLUTION: The method of manufacturing the ferrite granule is performed by spraying the water dispersion of metallic soap to make liquid drops having 10-100 μm mist diameter on the granulated ferrite granule. COPYRIGHT: (C)2005,JPO&NCIPI

7. 发明专利

JP2004165217A Ferrite core and method of manufacturing 有权
公开(公告)号：JP2004165217A
公开(公告)日：2004-06-10
申请号：JP2002326034
申请日：2002-11-08
申请人： Tdk Corp , Tdk株式会社
发明人： HARADA HIROSHI , SHIMAZAKI TATSUYA , NAKANO ATSUSHI
IPC分类号： C04B35/622 , H01F1/34 , H01F1/37 , H01F3/08 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing ferrite core which provides the density and strength of sintered body without the deterioration of characteristic and also to provide the same ferrite core. SOLUTION: The ferrite core is formed of the ferrite powder in which a volume average grain diameter D10 is 0.4 to 0.7 μm, D50 is 0.8 to 1.4 μm, D90 is 1.5 to 5.0 μm, a BET value is the range of 2.1 to 4.5m 2 /g, and the particle of 10 μm or more is 0.5 mass% or less. Particles are formed using above ferrite powder and polyvinyl alcohol in which the average saponification degree is 88 to 98 mol% and the average polymerization degree is 500 to 1700. Otherwise, particles are formed using the above ferrite powder and slurry including the dispersion medium and polyvinyl alcohol in which the average saponification degree is 88 to 98 mol% and the average polymerization degree is 500 to 1700. COPYRIGHT: (C)2004,JPO

8. 发明专利

JP2005132700A Granule for compacting ceramics, its production method, compact, sintered compact, and electronic component 有权
标题翻译：用于压实陶瓷的颗粒，其生产方法，紧凑型，烧结紧凑型和电子部件
公开(公告)号：JP2005132700A
公开(公告)日：2005-05-26
申请号：JP2003372681
申请日：2003-10-31
申请人： Tdk Corp , Tdk株式会社
发明人： HARADA HIROSHI
IPC分类号： B01J2/04 , C04B35/622 , C04B35/632 , C08K3/00 , C08K5/3417 , C08L29/04 , C08L101/14
摘要： PROBLEM TO BE SOLVED: To provide granules for compacting ceramics capable of inexpensively compacting a compact, e.g., having high deflective strength of ≥2.0 MPa without causing the problem about the reduction in the density of a sintered compact. SOLUTION: The granules for compacting ceramics are obtained by granulating a mixture at least comprising ceramics powder and a binder. The binder comprises a water-soluble resin and the water-based emulsion of a thermosetting imide compound. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供压实陶瓷的颗粒，其能够廉价地压实压块，例如具有≥2.0MPa的高偏转强度，而不会引起烧结体的密度降低的问题。解决方案：用于压实陶瓷的颗粒通过将至少包含陶瓷粉末和粘合剂的混合物制粒而获得。粘合剂包含水溶性树脂和热固性酰亚胺化合物的水性乳液。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2003338406A Method for manufacturing soft magnetic ferrite powder and ferrite core, and ferrite core 审中-公开
标题翻译：制造软磁粉和铁芯的方法和铁芯
公开(公告)号：JP2003338406A
公开(公告)日：2003-11-28
申请号：JP2002144529
申请日：2002-05-20
申请人： Tdk Corp , Tdk株式会社
发明人： HARADA HIROSHI
IPC分类号： H01F1/36
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing soft ferrite powder and a ferrite core having high sintered density and deflection strength by enabling lower temperature calcination, and to provide a high strength ferrite core obtained by this method.
SOLUTION: In the method for manufacturing the soft ferrite powder and the ferrite core, a process wherein an organic additive is made to exist in a slurry containing a calcinated object of a material powder and water is arranged. As the organic additive, an organic compound having a hydroxyl group and a carboxyl group, or a neutralization salt of the organic compound, or lactone of the organic compound is used. As another way, an organic compound having a hydroxymethyl carbonyl group, or an organic compound having an enol type hydroxyl group which can be dissocitated as acid, or the neutralization salt of the organic compound is used to form the soft ferrite powder. After the ferrite powder is molded, it is calcinated to obtain the ferrite core.
COPYRIGHT: (C)2004,JPO
摘要翻译：解决的问题：提供一种通过实现低温煅烧来制造具有高烧结密度和挠曲强度的软铁氧体粉末和铁氧体磁芯的方法，并提供通过该方法获得的高强度铁氧体磁心。解决方案：在制造软铁氧体粉末和铁氧体磁芯的方法中，布置有一种方法，其中使有机添加剂存在于含有材料粉末和水的煅烧物体的浆料中。作为有机添加剂，使用具有羟基和羧基的有机化合物，或有机化合物的中和盐或有机化合物的内酯。另一种方法是使用具有羟甲基羰基的有机化合物或具有可以作为酸分解的烯醇型羟基的有机化合物或有机化合物的中和盐形成软质铁氧体粉末。铁氧体粉末成型后，将其煅烧得到铁氧体磁芯。版权所有（C）2004，JPO

10. 发明专利

JP2002329606A FERRITE SINTERED BODY, ITS MANUFACTURING METHOD, AND FERRITE MOLDING GRANULE 失效
公开(公告)号：JP2002329606A
公开(公告)日：2002-11-15
申请号：JP2001131471
申请日：2001-04-27
申请人： TDK CORP
发明人： HARADA HIROSHI
IPC分类号： H01F1/37
摘要： PROBLEM TO BE SOLVED: To provide a ferrite sintered body which has a small water absorption coefficient and a reduced core loss, a method of manufacturing the same, and ferrite molding granules. SOLUTION: Ferrite material powder and ethylene-modified polyvinyl alcohol having 4 to 10 mol% modified ethylene, an average polymerization degree of 500 to 1700, and an average saponification degree of 92 to 97 mol% are mixed together and granulated into ferrite molding granules, the ferrite molding granules are formed into a ferrite molded body, and the ferrite molded body is baked into a ferrite sintered body. The ferrite sintered body has water absorption of 0.2 mass% or blow, and a method of manufacturing the ferrite sintered body and ferrite forming granules are provided.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式