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    • 1. 发明授权
    • Oxide magnetic material
    • 氧化物磁性材料
    • US5518642A
    • 1996-05-21
    • US314546
    • 1994-09-28
    • Osamu InoueNobuya MatsutaniKoichi KugimiyaOsamu IshiiYasuyuki Aono
    • Osamu InoueNobuya MatsutaniKoichi KugimiyaOsamu IshiiYasuyuki Aono
    • C04B35/26C04B35/38
    • C04B35/2658
    • An oxide magnetic material provided by the present invention contains, as main components, 55 to 59 mol % of Fe.sub.2 O.sub.3 ; 35 to 42 mol % of MnO; and 6 mol % or less of ZnO, and further contains, as sub-components, 0.05 to 0.3 wt % of CaO; and 0.005 to 0.05 wt % of SiO.sub.2. The other oxide magnetic material provided by the present invention contains, as main components, 61 to 67 mol % of Fe.sub.2 O.sub.3 ; 3 to 36 mol % of MnO; and 30 mol % or less of ZnO, and further contains, as sub-components, 0.05 to 0.5 wt % of CaO; and 0.005 to 0.2 wt % of SiO.sub.2. Such materials can further contain one or more kinds of oxides selected from the group consisting of ZrO.sub.2, HfO.sub.2, Ta.sub.2 O.sub.5, Cr.sub.2 O.sub.3, MoO.sub.3, WO.sub.3, Al.sub.2 O.sub.3, Ga.sub.2 O.sub.3, In.sub.2 O.sub.3, GeO.sub.2, SnO.sub.2, Sb.sub.2 O.sub.3 and Bi.sub.2 O.sub.3. Such magnetic materials of the present invention have the advantages of having an extremely low magnetic loss even when used in the high frequency band and having a minimum magnetic loss at a temperature sufficiently higher than room temperature. Moreover, a switching power supply having a switching frequency of 300 kHz to 5 MHz is provided by using such magnetic materials as a magnetic core.
    • 本发明提供的氧化物磁性材料含有55〜59摩尔%的Fe 2 O 3作为主要成分; 35〜42mol%的MnO; 和6mol%以下的ZnO,作为副成分,进一步含有0.05〜0.3重量%的CaO; 和0.005〜0.05重量%的SiO 2。 本发明提供的其它氧化物磁性材料以Fe 2 O 3为主要成分为61〜67摩尔%。 3〜36摩尔%的MnO; 和30摩尔%以下的ZnO,作为副成分,进一步含有0.05〜0.5重量%的CaO; 和0.005〜0.2重量%的SiO 2。 这些材料可以进一步含有选自ZrO 2,HfO 2,Ta 2 O 5,Cr 2 O 3,MoO 3,WO 3,Al 2 O 3,Ga 2 O 3,In 2 O 3,GeO 2,SnO 2,Sb 2 O 3和Bi 2 O 3中的一种以上的氧化物。 本发明的这种磁性材料具有即使在高频带下使用也具有非常低的磁损耗并且在足够高于室温的温度下具有最小的磁损耗的优点。 此外,通过使用这种磁性材料作为磁芯,提供具有300kHz至5MHz的开关频率的开关电源。
    • 3. 发明授权
    • White light-emitting device using fluorescent fiber
    • 白色发光装置采用荧光纤维
    • US07277618B2
    • 2007-10-02
    • US11456168
    • 2006-07-07
    • Masaaki YamazakiOsamu IshiiNaruhito SawanoboriShinobu Nagahama
    • Masaaki YamazakiOsamu IshiiNaruhito SawanoboriShinobu Nagahama
    • G02B6/02G02B6/12
    • G02B6/001G02B6/03633G02F1/133602
    • A white light-emitting device using a fluorescent fiber includes a blue semiconductor light-emitting element (2) for emitting an excitation light (a), and an optical fiber (3) having one side end face and the other side end face, the excitation light (a) emitted from the blue semiconductor light-emitting element (2) being made incident to the one side end face to be guided to the other side end face. The optical fiber (3) includes a core containing therein a phosphor for emitting wavelength conversion lights by being excited by the excitation light (a) received from the blue semiconductor light-emitting element (2), and a cladding member (3B) having a light emission surface in its peripheral surface, at least a part of optically multiplexed lights, which are obtained by optically multiplexing the wavelength conversion lights and the excitation light, being emitted through the light emission surface.
    • 使用荧光纤维的白色发光装置包括用于发射激发光(a)的蓝色半导体发光元件(2)和具有一个侧端面和另一侧端面的光纤(3), 从蓝色半导体发光元件(2)发射的激发光(a)入射到一侧端面以被引导到另一侧端面。 光纤(3)包括其中包含用于通过被从蓝色半导体发光元件(2)接收的激发光(a)激发而发射波长转换光的荧光体的芯,以及具有 通过光发射波长转换光和激发光而获得的光复用光的至少一部分通过发光面发射出来。
    • 4. 发明授权
    • Electromagnetic noise absorbing material and electromagnetic noise filter
    • 电磁噪声吸收材料和电磁噪声滤波器
    • US5990417A
    • 1999-11-23
    • US257769
    • 1994-06-06
    • Masakatsu SendaToshinori MoriOsamu IshiiYasuhiro KoshimotoTomoyuki Toshima
    • Masakatsu SendaToshinori MoriOsamu IshiiYasuhiro KoshimotoTomoyuki Toshima
    • H01F17/06H05K9/00
    • H05K9/0088H01F17/06H01F2017/065
    • Electromagnetic noise absorbing material and filter, which are small, light, and effective even with respect to unwanted electromagnetic waves of a few hundred MHz or more, are provided. A small and flexible electromagnetic noise filter cable and tape-shaped electromagnetic noise filter, as well as a manufacturing method and manufacturing apparatus therefor, are also provided. The electromagnetic noise absorbing material has a thickness or particle diameter of the alloy magnetic substance which is within a range of from 1/10 to 10 times the skin depth thereof, and thereby, a large eddy current loss can be generated, so that it is possible to manufacture electromagnetic noise filters having various shapes, which are small, light, and which realize a large electromagnetic noise suppression effect as a result of eddy current loss, and these possess a large relative magnetic permeability even at levels of a few hundred MHz or more. According to the thin film manufacturing method and apparatus, it is possible to easily manufacture an electromagnetic noise absorbing material having small hysteresis, possessing a hard axis of uni-axial magnetic anisotropy, which is superior in high-frequency response, and has a large electromagnetic noise suppression effect.
    • 提供电磁噪声吸收材料和滤波器,其即使对于几百MHz或更多的不需要的电磁波也是小的,轻的和有效的。 还提供了一种小而灵活的电磁噪声滤波器电缆和带状电磁噪声滤波器以及其制造方法和制造装置。 电磁噪声吸收材料的合金磁性物质的厚度或粒径在+ E,fra 1/10 + EE至其10倍的皮肤深度的范围内,因此可以大的涡流损耗 从而可以制造小型,轻型的各种形状的电磁噪声滤波器,并且由于涡电流损耗而实现大的电磁噪声抑制效果,并且这些具有相对磁导率甚至相当高的水平 几百MHz以上。 根据薄膜制造方法和装置,可以容易地制造具有低磁滞的电磁噪声吸收材料,具有高频响应性优异的单轴磁各向异性的硬轴,并且具有大的电磁 噪音抑制效果。
    • 6. 发明授权
    • Tamper-evident plastic cap with engaging stopper pieces
    • 防篡改的塑料盖,带有接合止动件
    • US5573128A
    • 1996-11-12
    • US396783
    • 1995-03-01
    • Yoichi TsujiguchiOsamu Ishii
    • Yoichi TsujiguchiOsamu Ishii
    • B65D41/34
    • B65D41/3414
    • A plastic cap having a peripheral band 4 which is provided at the lower end of the skirt-like side wall portion of the cap body, wherein the lower end of the skirt-like side wall portion outwardly protrudes, the peripheral band 4 downwardly extends from the protruded portion 10 at the lower end via a breaking line 11 that is circumferentially formed leaving a plurality of bridges 12, a downwardly extending stopper piece 20 is disposed on the side of closing the cap with respect to at least one of the bridges 12, the stopper piece 20 comes into contact with the bridge 12 at the time of closing the cap, and the cap body and the peripheral band 4 turn together. There is no need of providing space for forming stoppers between the lower end of the skirt-like side wall and the upper end of the peripheral band portion. Therefore, the coupling portion between the two is easily formed by providing a breaking line in the subsequent working of cutting. The cap is integrally molded without the need of using a metal mold having complex surface shapes or a split mold, and the rate of production can be enhanced.
    • 一种塑料帽,其具有设置在帽体的裙状侧壁部的下端的周边带4,其中裙状侧壁部的下端向外突出,周边带4从 突出部分10经由断开线11周向地形成,留下多个桥12,向下延伸的止动件20设置在相对于桥12中的至少一个上关闭盖的一侧, 在关闭盖子时,止动件20与桥接件12接触,并且盖体和周边带4一起转动。 不需要在裙状侧壁的下端和周边带部的上端之间形成止挡件的空间。 因此,通过在随后的切割加工中提供断裂线容易地形成两者之间的联接部分。 盖不需要使用具有复杂表面形状的金属模具或分模,整体模制,并且可以提高生产率。
    • 8. 发明授权
    • Iron oxide magnetic film and process for fabrication thereof
    • 氧化铁磁性膜及其制造方法
    • US4642245A
    • 1987-02-10
    • US730549
    • 1985-05-06
    • Osamu IshiiFumikatsu YoshimuraIwao Hatakeyama
    • Osamu IshiiFumikatsu YoshimuraIwao Hatakeyama
    • H01F10/18C23C15/00
    • H01F10/18Y10S428/90
    • .gamma.-Fe.sub.2 O.sub.3 film added at least one selected from the group consisting of Pd, Au, Pt, Rh, Ag, Ru, Ir, Os as additive, especially Os are disclosed. Reduction from .alpha.-Fe.sub.2 O.sub.3 to Fe.sub.3 O.sub.4 is accelerated by additive Os to accompany to a uniform reduction and increased the ratio of magnetic phase in the film. .gamma.-Fe.sub.2 O.sub.3 film medium added Os improves the saturation magnetization and increases the coercive force in proportion to amount of additive Os. Application of an external field to said film introduced magnetic anisotropy into said film, therefore said film medium improves coercive force and squareness of hysteresis loop by the grant of anisotropy. .gamma.-Fe.sub.2 O.sub.3 crystal grain is prepared by additive Os to obtained fine grain. The resultant .gamma.-Fe.sub.2 O.sub.3 film medium decreases the noise.
    • 公开了添加了选自Pd,Au,Pt,Rh,Ag,Ru,Ir,Os中的至少一种作为添加剂的γ-Fe 2 O 3膜。 通过添加剂Os可以促进从α-Fe2O3向Fe3O4的还原,从而均匀地还原并增加膜中磁相的比例。 添加的γ-Fe2O3膜介质可以提高饱和磁化强度,并且与添加剂的量成比例地增加矫顽力。 对所述膜施加外部场,将磁各向异性引入所述膜,因此所述膜介质通过赋予各向异性来提高磁滞回线的矫顽力和矩形度。 通过添加剂Os制备γ-Fe 2 O 3晶粒以获得细晶粒。 所得的γ-Fe2O3薄膜介质会降低噪音。