Process for fabricating capacitor element

Details Process for fabricating capacitor element Process for fabricating capacitor element

2007-01-02

2007-01-02

Kebede, Brook (Department: 2823)

Semiconductor device manufacturing: process

Making field effect device having pair of active regions...

Having insulated gate

C029S025030, C361S523000

Reexamination Certificate

active

10882665

ABSTRACT:
A process of the invention for fabricating a capacitor element includes the steps of forming a dielectric coating on a surface of an anode body and a surface of lower part of a projecting portion of an anode lead member implanted in the anode body, forming a precoat layer of an electrically conductive high polymer on the dielectric coating, exposing an area of the surface of the lower part in an annular form by partly removing the dielectric coating and the precoat layer, forming an electrically conductive high polymer layer on the precoat layer using an electrolytic polymerization process by immersing the anode body in a solution of a monomer so as to position said area of the surface of the lower part at the liquid level of the solution, and deburring the conductive high polymer formed on said area of the surface of the lower part.

REFERENCES:
patent: 5223120 (1993-06-01), Kojima et al.
patent: 6139592 (2000-10-01), Kamigawa et al.
patent: 6671168 (2003-12-01), Yoshida et al.
patent: 2006/0181836 (2006-08-01), Furuzawa et al.
patent: 11-121280 (1999-04-01), None

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