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1. 发明授权

EP0490574B1 Aluminum foil as electrolytic condenser electrodes 有权
标题翻译：铝箔作为电解电容器的电极
公开(公告)号：EP0490574B1
公开(公告)日：1996-03-20
申请号：EP91311298.3
申请日：1991-12-04
申请人： SHOWA ALUMINUM KABUSHIKI KAISHA
发明人： Fujihira, Tadao , Sakaguchi, Masashi , Tada, Kiyoshi , Tanio, Makoto , Isoyama, Eizo
IPC分类号： H01G9/04
CPC分类号： H01G9/045 , F05C2201/0475 , F05C2203/04 , F16J2015/0837 , F16J2015/0862

2. 发明公开

EP0490574A1 Aluminum foil as electrolytic condenser electrodes 有权
标题翻译： Aluminiumfolie wie Elektroden von elektrolytischen Kondensator。
公开(公告)号：EP0490574A1
公开(公告)日：1992-06-17
申请号：EP91311298.3
申请日：1991-12-04
申请人： SHOWA ALUMINUM KABUSHIKI KAISHA
发明人： Fujihira, Tadao , Sakaguchi, Masashi , Tada, Kiyoshi , Tanio, Makoto , Isoyama, Eizo
IPC分类号： H01G9/04
CPC分类号： H01G9/045 , F05C2201/0475 , F05C2203/04 , F16J2015/0837 , F16J2015/0862
摘要： An aluminum foil for use as the electrolytic condenser electrodes is composed of 99.9 % or more of aluminum. The fil also contains given amounts of one or more auxiliary elements selected from a group consisting of Cu, Si, Zn, Mn, Ga, P, V, Ti, Cr, Ni, Ta, Zr, C, Be, Pb, In and rare-earth elements, with the auxiliary elements being contained either in a boundary region disposed between a foil body and an oxide layer thereon, or in surface portion of the oxide layer, at a concentrated state such that an ion strength ratio of the concentration of the auxiliary elements in the region or the portion to their concentration in the foil body is from 1.2 : 1 to 30 : 1. Alternatively, the foil may contain given amounts of one or more auxiliary elements selected from a group consisting of Fe, Cu, Si, Zn, Mn, Ga, P, V, Ti, Cr, Ni, Ta, Zr, C, Be, B, Mg, Pb, In, Bi and rare-earth elements, with the auxiliary elements being contained not only in the boundary region but also in the surface portion at the same concentrated state as described above.
摘要翻译：用作电解电容器电极的铝箔由99.9％以上的铝构成。该锉还含有一定量的一种或多种选自Cu，Si，Zn，Mn，Ga，P，V，Ti，Cr，Ni，Ta，Zr，C，Be，Pb，In和稀土元素，其中辅助元素被包含在设置在箔体和氧化物层之间的边界区域中，或者在氧化物层的表面部分中，处于浓缩状态，使得浓度的离子强度比该区域中的辅助元件或它们在箔体中的浓度部分为1.2:1至30:1。或者，箔可以含有一定量的一种或多种辅助元素，其选自Fe，Cu， Si，Zn，Mn，Ga，P，V，Ti，Cr，Ni，Ta，Zr，C，Be，B，Mg，Pb，In，Bi和稀土元素，边界区域，而且在表面部分处于与上述相同的浓缩状态。

3. 发明公开

EP0501047A1 Method for manufacturing aluminum foils used as electrolytic capacitor electrodes 失效
标题翻译：一种生产铝箔和它们作为用于电解电容器的电极使用过程。
公开(公告)号：EP0501047A1
公开(公告)日：1992-09-02
申请号：EP91301482.5
申请日：1991-02-25
申请人： SHOWA ALUMINUM KABUSHIKI KAISHA
发明人： Fujihira, Tadao , Kato, Yutaka , Tada, Kiyoshi , Isayama, Eizo , Tamura, Takashi , Goshona, Kenji
IPC分类号： H01G9/04
CPC分类号： H01G9/0032 , H01G9/04
摘要： Aluminum foils used as a material of electrodes in electrolytic capacitors are manufactured by a method in which a surface portion an aluminum foil is removed at first before the foils are electrochemically or chemically etched later. Then, an initial internal oxide coating 5 to 50 Å thick is formed on surface of the aluminum foils from which the surface portion has been removed. Subsequently, the aluminum foils are subjected to high temperature heat treatment such that the whole thickness of the oxide coating does not exceed 70 Å.
摘要翻译：用作电极的电解质电容器中的材料的铝箔通过在哪个铝箔的表面部分在第一前箔电化学或化学蚀刻后除去的方法来制造。然后，在初始内氧化物涂层5至50埃厚的是形成在从该表面部分已经被去除的铝箔的表面上。随后，铝箔经受检查高温热处理做的氧化物涂层的大小限制70埃的总厚度。

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