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    • 5. 发明授权
    • Electrolysis solution for electrolytic capacitor, and electrolytic capacitor
    • 电解电解电解液和电解电容器
    • US07998360B2
    • 2011-08-16
    • US12088696
    • 2006-09-29
    • Masayuki TakedaHiroo MiyauchiMasashi Ozawa
    • Masayuki TakedaHiroo MiyauchiMasashi Ozawa
    • H01G9/04
    • H01G9/035H01G9/145
    • Provided is an electrolyte containing tetrafluoroaluminate ions, which is advantageous in that the electrolyte can be prevented from leaking from both the cathode and the anode in an electrolytic capacitor.An electrolyte for electrolytic capacitor, which comprises: (A) a tetrafluoroaluminate ion, and (B) at least one compound selected from the group consisting of: (1) at least one compound selected from the group consisting of a phthalimide, a quinoline, a dioxime, a nitrophenol and an amino group-containing aromatic carboxylic acid; (2) at least one compound selected from the group consisting of an aluminum complex, a boric acid ester and a silicic acid ester; (3) at least one compound selected from the group consisting of a monocyclic quinone compound and a bicyclic quinone compound; (4) a tricyclic or higher polycyclic quinone compound; and (5) at least one compound selected from a heteropoly acid and a salt thereof, an electrolyte for electrolytic capacitor containing a tetrafluoroaluminate ion, which has a self-potential of −0.95 V or more with respect to aluminum in the electrolyte, relative to an I3−/I− reference electrode, and an electrolytic capacitor using the same.
    • 提供了含有四氟铝酸盐离子的电解质,其优点在于可以防止电解质在电解电容器中从阴极和阳极泄漏。 1.一种电解电容器用电解质,其特征在于:(A)四氟铝酸盐离子,(B)至少一种选自下述的化合物:(1)至少一种选自邻苯二甲酰亚胺,喹啉, 二肟,硝基苯酚和含氨基的芳族羧酸; (2)至少一种选自铝络合物,硼酸酯和硅酸酯的化合物; (3)至少一种选自单环醌化合物和双环醌化合物的化合物; (4)三环或更高级多环醌化合物; 和(5)选自杂多酸及其盐中的至少一种化合物,含有四氟铝酸盐离子的电解电容器用电解质,相对于电解液中的铝,其自身电位为-0.95V以上 I3- / I-参比电极和使用该电极的电解电容器。
    • 6. 发明授权
    • Electrolytic capacitor
    • 电解电容器
    • US07256983B2
    • 2007-08-14
    • US10534235
    • 2003-11-07
    • Masashi OzawaMasayuki TakedaMakoto Ue
    • Masashi OzawaMasayuki TakedaMakoto Ue
    • H01G9/10H05K5/06
    • H01G9/008H01G9/028H01G9/10
    • An electrolytic capacitor having a low impedance characteristic, and a high withstand voltage characteristic in the 100V class, provides excellent high temperature life and leakage characteristics. An electrolyte solution containing an aluminum tetrafluoride salt is used. Moreover, a ceramics coating layer or an insulating synthetic resin layer is formed at a contact portion with a sealing component of a rivet or a cathode leading means. Alternatively, a partial cross-linking peroxide butyl rubber with added peroxide as a cross-linking agent to a butyl rubber polymer containing isobutylene, isoprene, and divinylbenzene copolymer is used as the sealing member. The electrolytic capacitor of the present invention has a low impedance characteristic, a high withstand voltage characteristic, and an excellent high temperature life characteristic.
    • 具有低阻抗特性和100V级别的高耐压特性的电解电容器具有优异的高温寿命和漏电特性。 使用含有四氟化铝盐的电解液。 此外,在与铆钉或阴极引导装置的密封部件的接触部分处形成陶瓷涂层或绝缘合成树脂层。 或者,使用将含有过氧化物作为交联剂的部分交联过氧化丁基橡胶与含有异丁烯,异戊二烯和二乙烯基苯共聚物的丁基橡胶聚合物用作密封构件。 本发明的电解电容器具有低阻抗特性,高耐压特性和优异的高温寿命特性。
    • 8. 发明授权
    • Ultrasonic probe
    • 超声波探头
    • US07648459B2
    • 2010-01-19
    • US10550835
    • 2004-03-24
    • Junichi TakedaMasashi Ozawa
    • Junichi TakedaMasashi Ozawa
    • A61B8/00
    • G10K9/18A61B8/4455
    • An ultrasonic probe according to the present invention includes: an ultrasonic element for transmitting and receiving an ultrasonic signal; a signal line for transmitting an electric signal to or from the ultrasonic element; and a ground line for supplying a ground potential to the ultrasonic element. The ultrasonic element is connected electrically with a sensor signal substrate and a sensor ground substrate. These substrates are connected electrically with the signal line and the ground line, respectively, via a cable substrate. The sensor ground substrate and the cable substrate are connected directly or via a relay ground substrate.
    • 根据本发明的超声波探头包括:超声波元件,用于发送和接收超声波信号; 用于向超声波元件发送电信号的信号线; 以及用于向超声波元件提供接地电位的接地线。 超声波元件与传感器信号基板和传感器接地基板电连接。 这些基板分别经由电缆基板与信号线和接地线电连接。 传感器接地基板和电缆基板直接连接或通过继电器接地基板连接。
    • 9. 发明申请
    • ELECTROLYTIC CAPACITOR
    • 电解电容器
    • US20090303664A1
    • 2009-12-10
    • US12093514
    • 2006-11-15
    • Fusayoshi EndohKentaro NakaakiMasashi OzawaKoichi YoshidaOsamu Nakamura
    • Fusayoshi EndohKentaro NakaakiMasashi OzawaKoichi YoshidaOsamu Nakamura
    • H01G9/025
    • H01G9/045H01G9/008H01G9/055H01G9/145
    • An electrolytic capacitor employs a capacitor element wherein an anode foil having an anode internal terminal and a cathode foil having a cathode internal terminal are wound or laminated through a separator. The end of the anode foil faces the cathode foil through the separator and the surface area of the cathode internal terminal is provided with an enlargement treatment, whereby the small area portion of the cathode foil that faces with the anode foil is eliminated, improving the charge/discharge characteristics. Furthermore, in the electrolytic capacitor provided with the capacitor element wherein the anode foil having the anode internal terminal and the cathode foil having the cathode internal terminal are wound or laminated through the separator, the capacitor element being impregnated with an electrolyte, the cathode internal terminal includes an aluminum material, the surface of the cathode internal terminal is etched and iron concentration in the etching layer
    • 电解电容器采用电容器元件,其中具有阳极内部端子的阳极箔和具有阴极内部端子的阴极箔通过隔板缠绕或层压。 阳极箔的端部通过隔膜面向阴极箔,并且阴极内部端子的表面积被提供放大处理,从而消除了与阳极箔面对的阴极箔的小面积部分,从而改善电荷 /放电特性。 此外,在设置有电容器元件的电解电容器中,其中具有阳极内部端子的阳极箔和具有阴极内部端子的阴极箔通过隔板卷绕或层压,电容器元件浸渍有电解质,阴极内部端子 包括铝材料,阴极内部端子的表面被蚀刻,并且蚀刻层中的铁浓度<300ppm。
    • 10. 发明申请
    • ELECTROLYTIC CAPACITOR
    • 电解电容器
    • US20080019079A1
    • 2008-01-24
    • US11828829
    • 2007-07-26
    • Masashi OzawaMasayuki TakedaMakoto Ue
    • Masashi OzawaMasayuki TakedaMakoto Ue
    • H01G9/00H01G4/228
    • H01G9/008H01G9/02H01G9/035H01G9/045H01G9/151Y10T29/41Y10T29/417
    • An electrolytic capacitor having a low impedance characteristic, having a high withstand voltage characteristic of 100V class, wherein the electrolytic capacitor provides an excellent high temperature life characteristic and an excellent leakage characteristic. The electrolyte solution containing the aluminum tetrafluoride salt is used. The electrolytic capacitor of the present invention has a low impedance characteristic, a high withstand voltage characteristic, and an excellent high temperature life characteristic. Moreover, the aforementioned electrolyte solution is used, and a foil showing noble potential at least in the electrolyte solution than the electrode potential of the cathode tab, or a cathode electrode foil subjected to chemical treatment is used as the cathode electrode foil, so as to obtain an excellent leakage characteristic.
    • 具有低阻抗特性的电解电容器具有100V等级的高耐压特性,其中电解电容器提供优异的高温寿命特性和优异的泄漏特性。 使用含有四氟化铝盐的电解液。 本发明的电解电容器具有低阻抗特性,高耐压特性和优异的高温寿命特性。 此外,使用上述电解质溶液,并且使用至少在电解质溶液中显示比阴极片的电极电位或具有化学处理的阴极箔的电位高的箔作为阴极电极箔,以便 获得极好的泄漏特性。