Method of producing chip-type solid-electrolyte capacitor

Details Method of producing chip-type solid-electrolyte capacitor Method of producing chip-type solid-electrolyte capacitor

1991-10-29

1993-10-19

Hearn, Brian E.

Metal working

Barrier layer or semiconductor device making

Barrier layer device making

361540, 148DIG138, 148DIG93, 437977, B21F 4100

Patent

active

052541371

ABSTRACT:
Disclosed is a method of producing a chip-type solid-electrolyte capacitor, in which the surface of a sheathing resin layer formed on an anode body is roughened by forming an irregularity thereon, and plated metal layers are formed on the surface thus roughened for an anode and cathode use. The metal layers are strongly adhered on the roughened surface. The surface-irregularity of the sheathing resin layer is produced by blasting hard particle material made of, for example, alumina or glass using a sandblast machine, or by irradiating a laser beam such as the YAG laser beam or the like.

REFERENCES:
patent: 3855505 (1974-12-01), Karlik, Jr. et al.
patent: 4093972 (1978-06-01), Voyles
patent: 4561041 (1985-12-01), Crowley, Jr. et al.
patent: 4571664 (1986-02-01), Hyland
patent: 4827328 (1989-05-01), Ozawa et al.
patent: 5036434 (1991-07-01), Kobayashi
patent: 5142452 (1992-08-01), Saiki

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