Method of manufacturing a cylindrical capacitor

Details Method of manufacturing a cylindrical capacitor Method of manufacturing a cylindrical capacitor

1987-08-24

1989-08-29

Hall, Carl E.

Coating processes

Electrical product produced

Condenser or capacitor

29 2542, 427 79, 427230, 427238, B05D 512, H01G 428

Patent

active

048616249

ABSTRACT:
An end surface (5, 5b) of a cylindrical ceramic body (2, 2b) is dipped into a bath of metal paste (15), so that an opening (10, 10b) formed in the end surface is closed by the metal paste. Then an air pressure difference is provided such that the air pressure in an inner space (9, 9b) of the ceramic body is lower than the air pressure in an outer space (19, 19b) surrounding the ceramic body, whereby the surface of the metal paste located in the inner space is upwardly moved. Thus, a substantial region of an inner peripheral surface (7, 7b) of the ceramic body is brought into contact with the metal paste. Then the pressure difference is cancelled so that a metal paste film (21, 21a, 21b) for serving as an inner electrode (3, 3a, 3b) of a cylindrical capacitor (1, 1a, 1b, 1c) is formed on the inner peripheral surface.

REFERENCES:
patent: 2067922 (1937-01-01), Hothersall
patent: 2451158 (1948-10-01), Donovan
patent: 2793333 (1957-05-01), Ehlers

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