CATHODE FOIL FOR ELECTROLYTIC CAPACITORS, ELECTROLYTIC CAPACITOR, AND METHODS RESPECTIVELY FOR PRODUCING THOSE

CATHODE FOIL FOR ELECTROLYTIC CAPACITORS, ELECTROLYTIC CAPACITOR, AND METHODS RESPECTIVELY FOR PRODUCING THOSE

A cathode foil for electrolytic capacitors includes a metal porous part, a metal core part that is continuous with the metal porous part, and a coating film covering the metal porous part. Pores in the metal porous part are open at a first main surface of the cathode foil. The coating film is dispos...

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Bibliographische Detailangaben
Hauptverfasser: YOSHIMURA, Mitsuhisa, SASADA, Natsuyo, AOYAMA, Tatsuji, OGAWA, Miwa
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
CAPACITORS
CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
ELECTRICITY
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Beschreibung
Zusammenfassung:A cathode foil for electrolytic capacitors includes a metal porous part, a metal core part that is continuous with the metal porous part, and a coating film covering the metal porous part. Pores in the metal porous part are open at a first main surface of the cathode foil. The coating film is disposed in a region from the first main surface to a depth more than or equal to 10% of a thickness of the metal porous part in a thickness direction of the metal porous part.