High-capacitance capacitor having multi-layered vertical...

Details High-capacitance capacitor having multi-layered vertical... High-capacitance capacitor having multi-layered vertical...

2005-06-28

2005-06-28

Reichard, Dean A. (Department: 2831)

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

C361S306300, C361S321100, C361S321500, C361S311000, C361S313000

Reexamination Certificate

active

06912114

ABSTRACT:
A high-capacitance capacitor having a multi-layered vertical structure for use in an RF circuit is disclosed. The capacitor includes an upper electrode, a lower electrode, and a dielectric layer interposed between the two electrodes. A plurality of electrodes is formed in parallel in the dielectric layer in a diagonal direction. First electrodes, which are half of the plurality of electrodes, are coupled to only the upper electrode, while second electrodes, which are the other half of the plurality of electrodes, are coupled to only the lower electrode. The first electrodes and the second electrodes are alternately positioned in rows and columns. The capacitor does not require additional processes, thereby reducing complexity and cost of fabrication thereof.

REFERENCES:
patent: 5583359 (1996-12-01), Ng et al.
patent: 6208500 (2001-03-01), Alexander et al.
patent: 6266227 (2001-07-01), Konushi et al.
patent: 6297524 (2001-10-01), Vathulya et al.
Alley, “Interdigital . . . ”, IEEE Trans. Microwave Theory & Techniques, MTT-18(12):1028-1033 (Dec. 1970).
Esfandiari et al, “Design of . . . ”, IEEE Trans. Microwave Theory & Techniques, 31(1):57-64 (Jan. 1983).

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