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1. 发明专利

JP2007099539A Ferrite powder, green sheet containing the ferrite powder, and ferrite sintered compact 有权
标题翻译：粉砂粉，含有粉状粉末的绿色粉末，粉末烧结粉末
公开(公告)号：JP2007099539A
公开(公告)日：2007-04-19
申请号：JP2005289202
申请日：2005-09-30
申请人： Toda Kogyo Corp , 戸田工業株式会社
发明人： SADAI MAKOTO , NISHIMOTO KAZUSHI , OKANO YOJI
IPC分类号： C04B35/622 , C01G49/00 , C04B35/30 , H01F1/34 , H01F1/36 , H01F3/08
摘要： PROBLEM TO BE SOLVED: To provide an Ni-Zn-Cu-based ferrite material having high magnetic permeability and more particularly a ferrite powder which can be sintered at a temperature as low as 900°C or lower and can give a high magnetic permeability ferrite sintered compact and to provide a green sheet and a sintered compact. SOLUTION: What is provided is: a ferrite powder which is one comprising an Ni-Zn-Cu-based ferrite powder and 100 to 1,000 ppm Zn-B-based glass powder, wherein the ferrite powder has a specific surface area of 5.0 to 10.0 m 2 /g and a compaction density of not less than 3.20×10 3 kg/m 3 ; a green sheet prepared by forming the ferrite powder and a binder into a sheet; and a sintered compact prepared by sintering a molding of the ferrite powder or a laminate of the green sheet. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供具有高磁导率的Ni-Zn-Cu系铁氧体材料，特别是可以在低至900℃或更低的温度下烧结的铁氧体粉末，并且可以产生高磁导率铁氧体烧结体，提供生片和烧结体。解决方案：提供一种铁氧体粉末，其是包含Ni-Zn-Cu系铁氧体粉末和100〜1000ppm Zn-B系玻璃粉末的铁氧体粉末，其中，铁素体粉末的比表面积 5.0至10.0m 2 / SP / g，压实密度不小于3.20×10 3 / SP> kg / m 3。通过将铁氧体粉末和粘合剂形成片材而制备的生片; 以及通过烧结铁素体粉末或生片的层压体的成型而制备的烧结体。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2005265703A Evaluation device and evaluation method for electric characteristic of substance 有权
标题翻译：用于电气特性的评估装置和评估方法
公开(公告)号：JP2005265703A
公开(公告)日：2005-09-29
申请号：JP2004080850
申请日：2004-03-19
申请人： Aica Kogyo Co Ltd , Toda Kogyo Corp , アイカ工業株式会社 , 戸田工業株式会社
发明人： TANAKA AKIHIRO , OKANO YOJI , YAMAMOTO KAZUMI , IKEDA TETSUO
IPC分类号： G01R27/06 , G01N22/00 , G01R29/26 , H05K9/00
摘要： PROBLEM TO BE SOLVED: To provide a device and a method for evaluating easily an electric characteristic of a substance, i.e. reflexibility, an attenuation property, bondability and a loss amount, under the condition substantially same to an actual using condition in an electric circuit.
SOLUTION: This evaluation device 1 for the electric characteristic of the substance comprises a distributed constant type directional coupler 2, and a network analyzer 3 connected to the directional coupler 2. In this evaluation method, an S-parameter in the condition where the evaluating substance is mounted on a mounting part 7 of the directional coupler 2 is measured by the network analyzer 3, an S
11 , S
21 and S
31 of the measured S-parameter are evaluated respectively as indexes for indicating the reflexibility, the attenuation property and the bondability, and a quantity indicated by an expression {1-(|S
11 |
2 + |S
21 |
2 + |S
31 |
2 + |S
41 |
2 )}×100 is evaluated as the loss amount.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种在与实际使用条件基本上相同的条件下容易地评价物质的电特性的装置和方法，即反射性，衰减特性，粘合性和损耗量电路。该物质的电特性的评价装置1包括分布常数型定向耦合器2和与定向耦合器2连接的网络分析器3.在该评价方法中，S参数在评估物质安装在定向耦合器2的安装部分7上，通过网络分析仪3，S 11，S 21 和S 31测量，分别评价所测量的S参数的SB / S S作为指示反射性，衰减特性和粘合性的指标，以及由表达式表示的量 ¾¾¾¾¾¾¾¾¾¾¾¾/ / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / SB>¾ 2 ）}×100作为损失量。版权所有（C）2005，JPO＆NCIPI

3. 发明专利

JPH08133744A GRANULAR MAGNETITE PARTICLE POWDER AND ITS PRODUCTION 失效
公开(公告)号：JPH08133744A
公开(公告)日：1996-05-28
申请号：JP29389294
申请日：1994-11-01
申请人： TODA KOGYO CORP
发明人： OKANO YOJI , UCHIDA NAOKI , FUJIOKA KAZUO , AOKI ISATAKA , MISAWA HIROMITSU , YOSHIZAWA MINORU
IPC分类号： C01G49/08 , C01G49/00 , H01F1/00
摘要： PURPOSE: To provide a granular magnetite particle powder and the producing method, which has 150-300Oe coercive force and is excellent in heat resistance and coloring ability. CONSTITUTION: The granular magnetite particle having the particle surface covered with Cox Fe2+y Oz (where, 0.4 to total Fe in the granular magnetite particle, 1-6mol.% cobalt salt aq. solution expressed in terms of Co and an alkali hydroxide aq. solution in a water dispersion containing the granular magnetite particle under a non- oxidizing atmosphere, adjusting OH group concn. in the dispersion to 0.3-1.0mol/l and after that, passing oxygen containing gas at >=50 deg.C. Next, the granular magnetite particle powder covered with at least one kind of an added compound is obtained by adding at least one kind of the compound selected from a Si, Al and Ti compound and after that, adjusting the pH to 5-9.

4. 发明专利

JPH07101731A GRANULAR MAGNETITE PARTICLE POWDER AND ITS PRODUCTION 失效
公开(公告)号：JPH07101731A
公开(公告)日：1995-04-18
申请号：JP26798093
申请日：1993-09-30
申请人： TODA KOGYO CORP
发明人： OKANO YOJI , FUJIOKA KAZUO , AOKI ISATAKA , MISAWA HIROMITSU , YOSHIZAWA MINORU , UCHIDA NAOKI
IPC分类号： C01G49/00 , C01G49/08 , C09C1/22 , G03G9/083 , H01F1/00 , H01F1/11 , H01F1/36
摘要： PURPOSE:To industrially obtain a granular magnetite particle powder black in color and small in magnetization value. CONSTITUTION:The granular magnetite particle powder, which is of a granular magnetite particle containing 3-6wt.% aluminum element in a spinel type crystal lattice and 8.340-8.375Angstrom in lattice constant and has 30-50emu/g magnetization value in 1kOe magnetic field, or the granular magnetite particle powder, which is, if necessary, of the granular magnetite particle with hydroxides of aluminum stuck to the surface of the granular magnetite particle and has 20-45emu/g in magnetization value in 1kOe magnetic field, is selected.

5. 发明专利

JPH06310318A GRANULAR MAGNETITE PARTICLE POWDER AND ITS MANUFACTURE 失效
公开(公告)号：JPH06310318A
公开(公告)日：1994-11-04
申请号：JP12520993
申请日：1993-04-27
申请人： TODA KOGYO CORP
发明人： OKANO YOJI , KURITA EIICHI , FUJIOKA KAZUO , AOKI ISATAKA , MISAWA HIROMITSU , YOSHIZAWA MINORU
IPC分类号： C01G49/08 , C04B35/26 , H01F1/09 , H01F1/11
摘要： PURPOSE:To provide a granular magnetite particle powder which is provided with a coercive force of 30 to 150Oe, whose heat-resisting property is excellent and whose coloring power is high and to provide a manufacturing method in which the granular magnetite particle powder can be obtained industrially. CONSTITUTION:A ferrous salt aqueous solution at 1.0 to 2.6mol% in terms of Fe with reference to the total of Fe in a granular magnetite particle as well as a zinc salt aqueous solution and a hydroxide alkali aqueous solution at 0.5 to 4.0mol% in terms of Zn are added to, and mixed with, a water dispersed liquid containing a granular magnetite particle powder in a nonoxidizing atmosphere, and this mixture is adjusted in such a way that an OH-group concentration in the dispersed liquid becomes 0.3 to 1.0mol%. After that, a gas containing oxygen is aerated at a temperature of 50 deg.C or higher, the particle surface of the granular magnetite particle is covered with ZnxFe2+yOz (where 0.4

6. 发明专利

JP2008290931A Ni-Zn-Cu FERRITE POWDER, GREEN SHEET CONTAINING Ni-Zn-Cu FERRITE POWDER AND Ni-Zn-Cu FERRITE SINTERED BODY 有权
标题翻译： Ni-Zn-Cu粉末粉末，含有Ni-Zn-Cu粉末粉末和Ni-Zn-Cu铁素体烧结体的绿色板
公开(公告)号：JP2008290931A
公开(公告)日：2008-12-04
申请号：JP2008113137
申请日：2008-04-23
申请人： Toda Kogyo Corp , 戸田工業株式会社
发明人： OKANO YOJI , TSUCHIDE TOMOHIRO , SUGITA NORIO
IPC分类号： C01G53/00 , C04B35/30 , H01F1/34 , H01F1/36
CPC分类号： H01F1/344 , B32B18/00 , C01G49/0018 , C01G49/0063 , C01G53/006 , C01P2002/32 , C01P2002/74 , C01P2006/10 , C01P2006/11 , C01P2006/12 , C01P2006/42 , C04B35/265 , C04B35/62685 , C04B35/6342 , C04B2235/3274 , C04B2235/3279 , C04B2235/3281 , C04B2235/3284 , C04B2235/3418 , C04B2235/3427 , C04B2235/5409 , C04B2235/5436 , C04B2235/5445 , C04B2235/6025 , C04B2235/604 , C04B2235/656 , C04B2235/6567 , C04B2235/763 , C04B2235/77 , C04B2235/80 , C04B2237/34 , H01F1/37 , H01F41/0246
摘要： PROBLEM TO BE SOLVED: To provide a Ni-Zn-Cu ferrite material which excels in direct current superposition characteristics by addition of zinc silicate.
SOLUTION: A Ni-Zn-Cu ferrite powder which is composed of a spinel-type ferrite and zinc silicate and has a composition in terms of oxide of 36.0-48.5 mol% Fe
2 O
3 , 7.0-38 mol% NiO, 4.5-40 mol% ZnO, 5.0-17 mol% CuO, and 1.0-8.0 mol% SiO
2 and a ratio of X-ray diffraction intensity from 113 plane of zinc silicate to X-ray diffraction intensity from 311 plane of spinel-type ferrite in the range of 0.01-0.12 is provided. A green sheet formed into a film and a Ni-Zn-Cu ferrite sintered compact made by using the Ni-Zn-Cu ferrite powder are also provided.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供通过添加硅酸锌具有优异的直流叠加特性的Ni-Zn-Cu铁氧体材料。解决方案：由尖晶石型铁素体和硅酸锌组成的Ni-Zn-Cu铁氧体粉末，其氧化物组成为36.0-48.5mol％Fe 2 SB> 3 ，7.0-38mol％NiO，4.5-40mol％ZnO，5.0-17mol％CuO和1.0-8.0mol％SiO 2 提供了从硅酸锌的113平面到尖晶石型铁素体的311平面的X射线衍射强度在0.01-0.12范围内的射线衍射强度。还提供了形成为薄膜的生片和使用Ni-Zn-Cu铁氧体粉末制成的Ni-Zn-Cu铁氧体烧结体。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2006237153A Composite dust core and manufacturing method thereof 有权
标题翻译：复合粉剂及其制造方法
公开(公告)号：JP2006237153A
公开(公告)日：2006-09-07
申请号：JP2005047627
申请日：2005-02-23
申请人： Toda Kogyo Corp , 戸田工業株式会社
发明人： SADAI MAKOTO , OKANO YOJI , SATO YOSHIO
IPC分类号： H01F1/20 , B22F1/02 , B22F3/00 , C22C33/02 , C22C38/00
摘要： PROBLEM TO BE SOLVED: To provide an excellent composite dust core that is used for a motor, a transformer, and a choke coil, coping with the miniaturization of electronic equipment and an increase in frequency, has high saturated magnetic flux density, and shows high permeability even at a high-frequency region. SOLUTION: The composite dust core comprises: soft magnetic metal powder having a surface insulating layer and a soft magnetic metal glass alloy powder, and is obtained by treating the mixed powder of the above powders by using a sintering method for performing pressurization and sintering simultaneously. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供用于电动机，变压器和扼流线圈的优异的复合粉尘芯，应对电子设备的小型化和频率的增加，具有高的饱和磁通密度，并且即使在高频区域也显示出高的磁导率。复合粉尘芯包括：具有表面绝缘层和软磁金属玻璃合金粉末的软磁金属粉末，通过使用用于进行加压的烧结方法处理上述粉末的混合粉末而得到，同时烧结。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2005231962A Dielectric powder, green sheet containing the same, and dielectric material 有权
标题翻译：电介质粉末，含有它们的绿色片材和电介质材料
公开(公告)号：JP2005231962A
公开(公告)日：2005-09-02
申请号：JP2004045265
申请日：2004-02-20
申请人： Toda Kogyo Corp , 戸田工業株式会社
发明人： NISHIMOTO KAZUSHI , HONDA SHINGO , OKANO YOJI
IPC分类号： C04B35/46 , H01B3/02 , H01B3/12
摘要： PROBLEM TO BE SOLVED: To provide a dielectric powder, which has a high specific dielectric constant and, in more detail, is sintered at a relatively low temperature, and with which a dielectric material having a high dielectric constant is obtained. SOLUTION: The dielectric powder is prepared by blending a barium titanate coarse powder having an average particle size of 0.5-5.0 μm, a barium titanate fine powder having an average particle size of 0.03-0.3 μm, and a glass powder. A green sheet is formed by forming a film of a sheet-shape by using the dielectric powder and a binding material. The dielectric material is produced by molding the dielectric powder and then sintering the molded powder. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供具有高比介电常数的电介质粉末，并且更详细地，在相对低的温度下烧结，并且获得具有高介电常数的介电材料。解决方案：通过将平均粒度为0.5-5.0μm的钛酸钡粗粉末，平均粒径为0.03-0.3μm的钛酸钡细粉末和玻璃粉末混合来制备介电粉末。通过使用电介质粉末和粘合材料形成片状的膜来形成生片。介电材料通过模制电介质粉末然后烧结成型的粉末来制造。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JPH07238233A IRON OXIDE PARTICLE POWDER AND ITS PRODUCTION 失效
公开(公告)号：JPH07238233A
公开(公告)日：1995-09-12
申请号：JP5299694
申请日：1994-02-25
申请人： TODA KOGYO CORP
发明人： AOKI ISATAKA , MISAWA HIROMITSU , OKANO YOJI , YOSHIZAWA MINORU , UCHIDA NAOKI , FUJIOKA KAZUO
IPC分类号： C09C3/06
摘要： PURPOSE:To obtain iron oxide particle powder having low oil-absorption and excellent initial dispersibility and suitable as a coloring pigment for coating material, ink and resin. CONSTITUTION:This iron oxide particle powder is composed of particulate iron oxide having an area mean particle diameter of 0.1-1.0mum and having 0.1-10wt.% of non-magnetic iron oxide fine particles or non-magnetic hydrated iron oxide fine particles firmly attached to the surface of the particle. It can be produced by adding 0.1-12 pts.wt. of non-magnetic iron oxide fine particles or non-magnetic hydrated iron oxide fine particles to 100 pts.wt. of iron oxide particles having an area mean particle diameter of 0.1-1.0mum and kneading the mixture under compressive shearing force using a wheel-type kneader or a grinder or squeezing with a spatula.

10. 发明专利

JPH06130719A MAGNETIC GRANULAR POWDER FOR MAGNETIC TONER AND ITS PRODUCTION 失效
公开(公告)号：JPH06130719A
公开(公告)日：1994-05-13
申请号：JP30469092
申请日：1992-10-15
申请人： TODA KOGYO CORP
发明人： MISAWA HIROMITSU , FUJIOKA KAZUO , AOKI ISATAKA , KURITA EIICHI , OKANO YOJI
IPC分类号： G03G9/083
摘要： PURPOSE:To produce the magnetic granular powder for the magnetic toner enhanced in blackness and excellent in fluidity. CONSTITUTION:One hundred pts.wt. of a hexahedral spinel-structure iron oxide granular powder having a BET specific surface shown by 6/(rho.d3)XPHIs is the sp.gr. of the spinel-structure iron oxide grain, d3=0.1-0.5mum where d3 is the area mean diameter, and 1.20 /g with respect to that of the uncoated grain and the ratio of the amts. of both grains to 1.0-4.5. The magnetic granular powder for the magnetic toner consists of this hexahedral spinel-structure iron oxide granular powder.

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