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1. 发明专利

JP2014216495A 軟磁性体組成物、磁芯、コイル型電子部品および成形体の製造方法审中-公开
标题翻译：软磁材料组合物，磁芯，线圈型电子元件及其制造工艺
公开(公告)号：JP2014216495A
公开(公告)日：2014-11-17
申请号：JP2013092892
申请日：2013-04-25
申请人： Tdk株式会社 , Tdk Corp , Tdk株式会社
发明人： YAMAZAKI TSUNEHIRO , MATSUNO KENICHIRO , MURAKAMI MUTSUYOSHI , ITO MAMORU , SASAKI HIROKATSU , NAKAMURA KAZUHIRO , TAKAGI EIKO , ITO KO , MURASE TAKU , KIDO OSAMU
IPC分类号： H01F1/22 , B22F3/00 , C22C38/00 , H01F1/147 , H01F1/33 , H01F27/255 , H01F41/02
CPC分类号： B22F3/00 , C22C38/00 , H01F1/14 , H01F1/22 , H01F1/33 , H01F27/24 , H01F41/02
摘要：【課題】成形品の強度を向上させることができる軟磁性体組成物およびその製造方法、磁芯、並びに、コイル型電子部品を提供することを目的とする。【解決手段】複数の軟磁性合金粒子と、軟磁性合金粒子間に存在する粒界と、を有する軟磁性体組成物である。軟磁性合金粒子が、Fe−Si−Cr系合金またはFe−Si−Al系合金で構成され、粒界の少なくとも三重点には、キャリア粒子42が存在し、キャリア粒子42の周囲には、Si含有相が存在する。【選択図】図3
摘要翻译：要解决的问题：提供能够提高成型强度的软磁性材料组合物，提供磁芯和线圈型电子部件。软磁性材料组合物包括：多个软磁性合金粒子和晶界存在于软磁合金颗粒之间。软磁性合金粒子由Fe-Si-Cr系合金或Fe-Si-Al系合金构成。至少在晶界的三重点处存在载体颗粒42。在载体颗粒42的周围存在含Si的相。

2. 发明专利

JP2013087010A Ferrite composition, ferrite core and electronic component 有权
标题翻译：铁素体组合物，铁素体和电子组件
公开(公告)号：JP2013087010A
公开(公告)日：2013-05-13
申请号：JP2011228160
申请日：2011-10-17
申请人： Tdk Corp , Tdk株式会社
发明人： TAKAGI EIKO , ITO KO , ITO MAMORU , KAWAGUCHI TATSUYA , SASAKI HIROKATSU
IPC分类号： C04B35/30 , C01G49/00 , H01F1/34
摘要： PROBLEM TO BE SOLVED: To provide a ferrite composition that is inexpensive and can maintain a high saturation magnetic density Bs, and to provide a ferrite core comprising the ferrite composition, and an electronic component having the ferrite core.SOLUTION: The ferrite composition contains, as main components, 47.0 to 49.7 mol% of iron oxide in terms of FeO, 18.0 to 26.0 mol% of zinc oxide in terms of ZnO, 13.0 to 20.0 mol% of nickel oxide in terms of NiO, 4.0 to 8.0 mol% of magnesium oxide in terms of MgO, and the balance of copper oxide. The composition further contains, as accessary components with respect to 100 wt.% of the above main components, 50 to 4000 ppm of zirconium oxide in terms of ZrO, 100 to 800 ppm of silicon dioxide in terms of SiOand 0.05 to 0.25 wt.% of tungsten oxide in terms of WO.
摘要翻译：要解决的问题：提供廉价并且可以保持高饱和磁密度Bs的铁氧体组合物，并提供包含铁氧体组合物的铁氧体磁心和具有铁氧体磁芯的电子部件。铁素体组合物以Fe 2 O 3 含有47.0〜49.7摩尔％的氧化铁作为主要成分， / SB>，18.0〜26.0摩尔％的ZnO换算的氧化锌，以NiO换算为氧化镍为13.0〜20.0摩尔％，MgO为4.0〜8.0摩尔％，氧化铜为余量。该组合物还含有相对于100重量％的上述主要成分的附着成分，以ZrO 2为基准，氧化锆为50〜4000ppm，100〜800ppm 以SiO 2 表示的二氧化硅和0.05〜0.25重量％的氧化钨，根据WO 3 。版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2013001636A Ferrite composition and electronic component 有权
标题翻译：铁素体组合物和电子元件
公开(公告)号：JP2013001636A
公开(公告)日：2013-01-07
申请号：JP2011138082
申请日：2011-06-22
申请人： Tdk Corp , Tdk株式会社
发明人： ITO MAMORU , ITO KO , SASAKI HIROKATSU , KAWAGUCHI TATSUYA , TAKAGI EIKO
IPC分类号： C04B35/38 , C01G49/00 , H01F1/34
摘要： PROBLEM TO BE SOLVED: To provide an electronic component whose environmental temperature or using temperature is near a room temperature or an outside air temperature and below the operation temperature of a conventional power transformer, namely, in the range of 25-59°C, and which can reconcile reduction of power loss with high saturation magnetic flux density under an environment of high frequency and low magnetic field, and to provide a ferrite composition suitable for the electronic component.SOLUTION: This ferrite composition includes 52.5-55.5 mol% iron oxide in terms of FeO, and 6.0-19.0 mol% zinc oxide in terms of ZnO as main components, wherein the residue thereof is constituted of manganese oxide, and also includes as accessory components, with respect to 100 wt% of the main components, 50-300 ppm silicon oxide in terms of SiO, 110-1,120 ppm calcium oxide in terms of CaO, and further, the content of Pb is ≤7 ppm and the content of Cd is ≤7 ppm, with respect to 100 wt% of the main components.
摘要翻译：要解决的问题：为了提供环境温度或使用温度接近室温或外部空气温度并低于常规电力变压器的操作温度的电子部件，即在25-59°的范围内并且其可以在高频和低磁场的环境下协调功率损耗的降低与高饱和磁通密度的关系，并提供适合于电子部件的铁素体组合物。解决方案：该铁氧体组合物以Fe 2 O 3 包括52.5-55.5mol％的氧化铁，6.0 -19.0mol％以ZnO为主要成分的氧化锌，其中残留物由氧化锰构成，并且还包括相对于100重量％的主要成分为辅助成分的氧化硅为50-300ppm 的SiO 2 ，以CaO计为110-1,120ppm的氧化钙，此外，Pb的含量为≤7ppm，Cd的含量为≤7ppm，相对于至100重量％的主要成分。版权所有（C）2013，JPO＆INPIT

4. 发明专利

JP2013155054A Ferrite composition, ferrite core and electronic part 有权
标题翻译：铁素体组合物，铁素体和电子部件
公开(公告)号：JP2013155054A
公开(公告)日：2013-08-15
申请号：JP2012014541
申请日：2012-01-26
申请人： Tdk Corp , Tdk株式会社
发明人： TAKAGI EIKO , ITO KO , ITO MAMORU , KAWAGUCHI TATSUYA , SASAKI HIROKATSU , TAKAKURA KAZUHIRO
IPC分类号： C04B35/30 , H01F1/34
摘要： PROBLEM TO BE SOLVED: To provide: a ferrite composition having high initial magnetic permeability, yet excellent in balance between the saturation magnetic flux density and low power loss (MHz region); a ferrite core composed of the ferrite composition; and an electronic part having the ferrite core.SOLUTION: This ferrite composition has a main component composed of, by mol, 47.0-49.95% FeO, 1.0-12.0% CuO, 32.6-35.0% ZnO and 0.01-2.4% MnO, and the rest of nickel oxide, and an accessory component composed of 2-65 ppm P, 40-4,500 ppm ZrOand 10 ppm or less Pb, 10 ppm or less Cd each to 100 pts.wt. of the main component, where the total content of FeOand MnOis 50.1 mol% or less.
摘要翻译：要解决的问题：提供：具有高初始磁导率，饱和磁通密度和低功率损耗（MHz区域）之间的平衡优异的铁氧体组合物; 由铁素体组成的铁氧体磁芯; 以及具有铁氧体磁心的电子部件。该铁氧体组合物的主要成分为：摩尔比为47.0〜49.95％的FeO，1.0-12.0％的CuO，32.6〜35.0％的ZnO和0.01〜2.4质量％的MnO，剩余的氧化镍和由2-65ppm P，40-4,500ppm ZrO和10ppm或更少的Pb，10ppm或更少的Cd，至100重量份的P组成的辅助组分。的主成分，其中FeOand MnO的总含量为50.1mol％以下。

5. 发明专利

JP2013147395A Ferrite sintered body and electronic component 有权
标题翻译：铁素体烧结体和电子部件
公开(公告)号：JP2013147395A
公开(公告)日：2013-08-01
申请号：JP2012010433
申请日：2012-01-20
申请人： Tdk Corp , Tdk株式会社
发明人： SASAKI HIROKATSU , ITO KO , ITO MAMORU , KAWAGUCHI TATSUYA , TAKAGI EIKO
IPC分类号： C04B35/30 , C01G53/00 , H01F1/34
摘要： PROBLEM TO BE SOLVED: To provide a ferrite sintered body which ensures a small rate of change in initial permeability in a wide temperature range (-40 to 125°C) and whose initial permeability is in a specific range (about 350 to 700).SOLUTION: A ferrite sintered body has a main component having a spinel structure and including iron oxide, zinc oxide, copper oxide and nickel oxide. The ferrite sintered body has an A phase and a B phase, wherein the A phase is a region in which a content (mol%) of FeOis larger than a content (mol%) of ZnO, and the B phase is a region in which a content (mol%) of FeOis not more than a content (mol%) of ZnO. When FeOin 100 mol% of the main component is represented by x (mol%) and the area ratio of the A phase to the total area of the A phase and the B phase is represented by y (%), (x, y) is within a quadrilateral having the following points A to D as apexes (including portions on the line). Point A (46, 97), point B (46, 83), point C (47.9, 70), point D (47.9, 85).
摘要翻译：要解决的问题：提供一种铁氧体烧结体，其确保在宽温度范围（-40〜125℃）内的初始磁导率的变化率小，其初期磁导率在特定范围（约350〜700）内。解决方案：铁氧体烧结体具有尖晶石结构的主要成分，包括氧化铁，氧化锌，氧化铜和氧化镍。铁素体烧结体具有A相和B相，其中A相是FeO的含量（摩尔％）大于ZnO的含量（mol％）的区域，B相是其中 FeO的含量（mol％）不大于ZnO的含量（mol％）。当主成分为100mol％的FeOin以x（mol％）表示，A相与A相和B相的总面积的面积比由y（％），（x，y）表示时，在具有以下点A至D作为顶点（包括线上的部分）的四边形内。 A点（46，97），B点（46,83）点C（47.9,70）点D（47.9,85）。

6. 发明专利

JP2013116835A Ferrite composition, ferrite core and electronic part 有权
标题翻译：铁素体组合物，铁素体和电子部件
公开(公告)号：JP2013116835A
公开(公告)日：2013-06-13
申请号：JP2011264660
申请日：2011-12-02
申请人： Tdk Corp , Tdk株式会社
发明人： ITO KO , ITO MAMORU , SASAKI HIROKATSU , KAWAGUCHI TATSUYA , TAKAGI EIKO
IPC分类号： C04B35/30 , H01F1/34
摘要： PROBLEM TO BE SOLVED: To provide a ferrite composition having high resistivity, and providing characteristics of high initial magnetic permeability and saturated magnetic flux density and low power loss (MHz band) in good balance; a ferrite core composed of the ferrite composition; and electronic parts having the ferrite core.SOLUTION: This ferrite composition includes a main component composed of 44.0-49.95 mol% FeO, 1.0-20.0 mol% CuO, 13.0-19.9 mol% ZnO, 0.01-5.4 mol% MnOand the rest of nickel oxide, and an accessory component composed of 2-65 ppm P and 40-5,000 ppm ZrO, further containing ≤10 ppm Pb and ≤10 ppm Cd, each to 100 pts.wt. main component. The total content of FeOand MnOis 50.1 mol% or less.
摘要翻译：要解决的问题：提供具有高电阻率的铁氧体组合物，并且以良好的平衡提供高初始磁导率和饱和磁通密度和低功率损耗（MHz带）的特性; 由铁素体组成的铁氧体磁芯; 和具有铁氧体磁芯的电子部件。解决方案：该铁氧体组合物包括由44.0-49.95摩尔％Fe 3 ，1.0- 20.0mol％CuO，13.0-19.9mol％ZnO，0.01-5.4mol％Mn 2 其余的镍氧化物和由2-65ppm P和40-5,000ppm ZrO 2 组成的附件，还含有≤10ppm的Pb和≤10ppm的Cd，每个至100个。重量主要成分。 Fe 2 O 3 和Mn 2 O 3 为50.1摩尔％以下。版权所有（C）2013，JPO＆INPIT

7. 发明专利

JP2013091590A Ferrite composition for noncontact type temperature measurement 有权
标题翻译：非结晶型温度测量用铁素体组合物
公开(公告)号：JP2013091590A
公开(公告)日：2013-05-16
申请号：JP2011236289
申请日：2011-10-27
申请人： Tdk Corp , Tdk株式会社
发明人： TAKAGI EIKO , ITO KO , ITO MAMORU , KAWAGUCHI TATSUYA , SASAKI HIROKATSU
IPC分类号： C04B35/26 , C01G49/00 , H01F1/34
摘要： PROBLEM TO BE SOLVED: To provide a ferrite composition for noncontact type temperature measurement which is usable suitably as a part of a temperature sensor for measuring a temperature from the outside.SOLUTION: This ferrite composition for noncontact type temperature measurement has a main component constituted of 48.0-49.7 mol% iron oxide in terms of FeO, 29.0-30.35 mol% zinc oxide in terms of ZnO, 5.5-6.8 mol% copper oxide in terms of CuO, and magnesium oxide as the residue, and further includes 30-350 ppm silicon oxide in terms of SiOwith respect to the 100 wt% main component as a sub-component.
摘要翻译：要解决的问题：提供一种用于非接触式温度测量的铁氧体组合物，其可适当地用作用于从外部测量温度的温度传感器的一部分。解决方案：用于非接触式温度测量的该铁氧体组合物以Fe 2 O 2 。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP2012244064A Ferrite core and electronic component 有权
标题翻译：铁素体和电子元件
公开(公告)号：JP2012244064A
公开(公告)日：2012-12-10
申请号：JP2011115009
申请日：2011-05-23
申请人： Tdk Corp , Tdk株式会社
发明人： ITO MAMORU , ITO KO , SASAKI HIROKATSU , KAWAGUCHI TATSUYA , TAKAGI EIKO
IPC分类号： H01F1/34 , C04B35/38 , H01F17/04 , H01F27/24 , H01F27/255
摘要： PROBLEM TO BE SOLVED: To provide a ferrite core capable of achieving both reduction in power loss and a high saturation magnetic flux density in a high-frequency region, and of improving a quality coefficient, and to provide an electronic component to which the ferrite core is applied.SOLUTION: A ferrite core has a core part configured by a ferrite composition, and a coating layer formed on at least a part of a surface of the core part. The ferrite composition contains 63.3-65.5 mol% of FeO, 11.6-15.8 mol% of ZnO, and a remaining part configured by MnO, as a main component. The ferrite composition contains 60-250 ppm of SiOand 360-1000 ppm of CaO as a sub-component, to 100 wt.% of the main component. Pb with a containing amount of 7 ppm or less, and Cd with a containing amount of 7 ppm or less are contained in 100 wt.% of the main component. A temperature Tsp at which a magnetic loss of the ferrite composition becomes minimum is in a range of 0-50°C. A thermal expansion coefficient of the coating layer is equal to or less than that of the core part.
摘要翻译：解决的问题：为了提供能够实现高频区域的功率损耗降低和高饱和磁通密度的铁氧体磁芯，并且提高质量系数，并且提供一种电子部件，其中应用铁氧体磁心。解决方案：铁氧体磁芯具有由铁氧体组成构成的芯部，以及形成在芯部的表面的至少一部分上的涂层。铁素体组合物含有63.3-65.5mol％的Fe，SBB =“POST”> 3 ，11.6-15.8mol％的ZnO，剩下的作为主要组件的由 2 O 3 组成的零件。铁素体组合物含有60-250ppm的SiO 2 和360-1000ppm的CaO作为副组分，占主要组分的100重量％。含有量为7ppm以下的Pb，含有量为7ppm以下的Cd含有100重量％的主成分。铁氧体组合物的磁损耗最小的温度Tsp在0-50℃的范围内。涂层的热膨胀系数等于或小于芯部的热膨胀系数。版权所有（C）2013，JPO＆INPIT

9. 发明专利

JP2012148931A Ferrite sintered body and electronic component 审中-公开
标题翻译：铁素体烧结体和电子部件
公开(公告)号：JP2012148931A
公开(公告)日：2012-08-09
申请号：JP2011009076
申请日：2011-01-19
申请人： Tdk Corp , Tdk株式会社
发明人： KAWAGUCHI TATSUYA , ITO KO , ITO MAMORU , SASAKI HIROKATSU , TAKAGI EIKO
IPC分类号： C04B35/30 , H01F1/34
摘要： PROBLEM TO BE SOLVED: To provide a ferrite sintered body in which the degree of freedom of compositional design is high and a high Q value is obtained in a high frequency area even if the content of FeOis small, and an electric component having a ferrite core composed of the ferrite sintered body.SOLUTION: The ferrite sintered body includes a 45.5-49.4 mol% ferric oxide in terms of an manganese oxide of FeO, 0.3 mol% or less in terms of an MnO, 2.0-10.3 mol% copper oxide in term of a CuO, 23.0-27.0 mol% zinc oxide in terms of ZnO, and the balance composed of a nickel oxide. The peak of diffracted X rays which attributes to a spinel type crystalline structure in the ferrite sintered body is within a range of the diffraction angle 2θ of 34.6-36.4°, and the half width at the half maximum of the peak of the diffracted X rays is 0.152-0.199°.
摘要翻译：要解决的问题：即使Fe 2 小，并且具有由铁氧体烧结体构成的铁氧体磁芯的电气部件。解决方案：铁氧体烧结体包含45.5-49.4摩尔％的氧化铁，以氧化铁为Fe 2 / SB>，MnO为0.3摩尔％以下，CuO为2.0-10.3摩尔％，氧化锌为23.0〜27.0摩尔％，氧化镍为余量。在铁氧体烧结体中属于尖晶石型晶体结构的衍射X射线的峰值在衍射角2θ为34.6-36.4°的范围内，衍射X射线的峰值的半值宽度为0.152-0.199°。版权所有（C）2012，JPO＆INPIT

10. 发明专利

JP2013079163A Ferrite composition, ferrite core and electronic component 有权
标题翻译：铁素体组合物，铁素体和电子组件
公开(公告)号：JP2013079163A
公开(公告)日：2013-05-02
申请号：JP2011219487
申请日：2011-10-03
申请人： Tdk Corp , Tdk株式会社
发明人： TAKAGI EIKO , ITO MAMORU , ITO KO , SASAKI HIROKATSU , KAWAGUCHI TATSUYA
IPC分类号： C04B35/26 , C04B35/30 , H01F1/34
摘要： PROBLEM TO BE SOLVED: To provide a ferrite composition which can maintain a high saturation magnetic density Bs and which is inexpensive, a ferrite core comprised of the ferrite composition, and an electronic component having the ferrite core.SOLUTION: The ferrite composition includes, as main components, 47.0 to 49.7 mol% of iron oxide in terms of FeO, 18.0 to 26.0 mol% of zinc oxide in terms of ZnO, 13.0 to 20.0 mol% of nickel oxide in terms of NiO, and 4.0 to 8.0 mol% of magnesium oxide in terms of MgO, and the balance of copper oxide. The ferrite composition also includes, as sub-components, 5 to 80 ppm of phosphorus in terms of P, 100 to 800 ppm of silicon dioxide in terms of SiO, and 0.05 to 0.25 wt.% of tungsten oxide in terms of WOrelative to 100 wt.% of the main components.
摘要翻译：要解决的问题：提供一种可以保持高饱和磁密度Bs并且价格便宜的铁氧体组合物，由铁氧体组合物构成的铁氧体磁心和具有铁氧体磁芯的电子部件。 <铁>组合物以Fe 2 O 3 为主要成分，铁氧体组合物含有47.0〜49.7摩尔％的氧化铁， / SB>，18.0〜26.0摩尔％的ZnO换算的氧化锌，NiO为13.0〜20.0摩尔％的氧化镍，MgO为4.0〜8.0摩尔％，余量为氧化铜。作为副成分，铁素体组合物还包含以P计为5〜80ppm的磷，以SiO 2 为100〜800ppm的二氧化硅，0.05〜相对于100重量％的主要组分，以WO 3 计的氧化钨为0.25重量％。版权所有（C）2013，JPO＆INPIT

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