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    • 5. 发明专利
    • CAPACITOR
    • JPS6477913A
    • 1989-03-23
    • JP23520487
    • 1987-09-18
    • MATSUSHITA ELECTRIC IND CO LTD
    • MORIWAKI MASASHIKAJIMA TAKAFUMIOTA SATORUSUNANAGARE NOBUKIISHIDA KENJIKUWATA KENJI
    • H01G4/18H01G4/30
    • PURPOSE:To improve dimensional accuracy while preventing the cracking of an outer bag, and to miniaturize a capacitor by disposing sheathing members consisting of at least two layers of polyimide films in specific thickness and epoxy resin layers onto two surfaces as the cut surfaces of a film capacitor element. CONSTITUTION:Double-side evaporated and double-side coated films are laminated, and electrode leading out sections 6, 7 are formed, thus acquiring a strip capacitor in long size. The strip capacitor is cut in width of approximately 4.6mm, and discrete unit capacitor is shaped, and thermo-setting sheets called prepreg sheets in which epoxy resin layers 8b in thickness of 15-50mum are formed onto polyimide films 8a in thickness of 25-75mum are stuck onto two surfaces as the cut surfaces of the unit capacitor, and heated and cured, thus shaping a sheathing member 8. The sheathing member 8 coats the whole end faces of a capacitance section, and has width in an extent that it is disposed extending over the whole regions or partial regions of the end faces of protective layers 9, 10. The sheathing member 8 also has length in an extent that it is arranged extending over the whole regions or partial regions of the end faces on the cut surface sides of the electrode leading-out sections 6, 7.