Manufacture of solid state capacitors

Details Manufacture of solid state capacitors Manufacture of solid state capacitors

2005-02-01

2005-02-01

Talbot, Brian K. (Department: 1762)

Coating processes

Electrical product produced

Condenser or capacitor

C427S080000, C427S081000, C029S025030, C029S025410, C029S025420

Reexamination Certificate

active

06849292

ABSTRACT:
The present invention concerns the field of solid state capacitors and relates particularly to massed production methods for manufacturing solid state capacitors. According to one aspect of the invention there is provided a method of manufacturing multiple solid state capacitors comprising: providing a substrate layer; forming on an upper surface of the substrate layer a plurality of upstanding bodies consisting of porous sintered valve-action material; forming an insulating layer on and extending through the porosity of the bodies; forming a conducting cathode layer on the insulating layer; and forming cathode termination means on a top portion of each body; and dividing the processed substrate to form a plurality of individual capacitor bodies in each of which a portion of the substrate forms an anode terminal, a porous body is an anode body having cathode termination means provided on a top portion thereof, characterized in that the upstanding porous bodies are formed by pressing valve-action metal powder/binder mixture onto the substrate and forming the required body shapes and distribution while the mixture is in the green state and subsequently sintering the bodies.

REFERENCES:
patent: 3889357 (1975-06-01), Millard et al.
patent: 4599788 (1986-07-01), Love et al.
patent: 4796560 (1989-01-01), Berger et al.
patent: 5075940 (1991-12-01), Kuriyama et al.
patent: 5357399 (1994-10-01), Salisbury
patent: 5834062 (1998-11-01), Johnson et al.
patent: WO0028559 (2000-05-01), None

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