| 摘要 |
PROBLEM TO BE SOLVED: To provide aluminum foil for electrolytic capacitor electrode, with which rolling oil is difficult to remain at the time of cleaning, dispersion of pits is improved at the time of an etching processing and high capacitance can be obtained. SOLUTION: Center line trough depth (Rv) obtained by measuring a rolling streak existing on a surface in a rolling vertical direction is Rv≤1.5μm, and an average peak interval (RSm) is 12.0μm≤RSm≤18.0μm. Carbon detection intensity (C) on a material surface, which is measured by fluorescent X-ray spectrographic analysis, is C≤1.0 kcps and a ratio (C/O) of carbon detection intensity (C) and oxygen detection intensity (O) is 2.0≤C/O≤3.0. COPYRIGHT: (C)2008,JPO&INPIT
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