ELECTROCHEMICAL CELL

An electrochemical cell includes at least a base container, a cell which is accommodated in the base container, a plurality of cell leads which are extension portions of the cell, a pad film which is formed of valve metal on a base bottom surface, and a base-embedded wiring (a via wiring) which is c...

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Bibliographische Detailangaben
Hauptverfasser:	SATO RYO, ONODERA TAKASHI, SUZUKI TADAHITO
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	An electrochemical cell includes at least a base container, a cell which is accommodated in the base container, a plurality of cell leads which are extension portions of the cell, a pad film which is formed of valve metal on a base bottom surface, and a base-embedded wiring (a via wiring) which is connected to the pad film and is formed in a portion between the base bottom surface and a base lower surface, in which at least one of the cell leads and the pad film are fixed to each other through ultrasonic welding, and when a horizontal distance between a welding portion and the base-embedded wiring in the pad film is set to be L, and tolerance relating to an installation position of the base-embedded wiring is set to be a, L a×1.3 is established.