Batch method for making solid-electrolyte capacitors

Details Batch method for making solid-electrolyte capacitors Batch method for making solid-electrolyte capacitors

1978-07-17

1980-05-20

Tupman, W. C.

Metal working

Method of mechanical manufacture

Assembling or joining

427 25, 427 27, B01J 1700

Patent

active

042031940

ABSTRACT:
A plurality of porous valve-metal pellets are suspended by their anode riser wires from a holding bar. After the conventional steps of anodically forming an oxide film over the surfaces of the pellets and depositing a solid electrolyte and a metallic counterelectrode over the film, an insulative resin layer is applied over the pellets by an electrostatic fluidized powder-bed coating step, selective air-stream powder-removal steps and heat curing steps. Anode and cathode end cap terminals are subsequently formed over opposite ends of each pellet, preferably by applying and curing a silver loaded paint, curing the paint, nickel immersion plating over the silver and cladding the nickel film with solder.

REFERENCES:
patent: 3019126 (1962-01-01), Bartholomew
patent: 3248253 (1966-04-01), Barford
patent: 4090288 (1978-05-01), Thompson

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