Variable capacitance capacitor, circuit module, and...

Details Variable capacitance capacitor, circuit module, and... Variable capacitance capacitor, circuit module, and...

2006-08-15

2006-08-15

Ha, Nguyen T. (Department: 2831)

Electricity: electrical systems and devices

Electrostatic capacitors

Variable

C361S272000, C361S278000, C361S281000, C361S286000, C361S287000, C361S290000

Reexamination Certificate

active

07092232

ABSTRACT:
A variable capacitance capacitor has a plurality of variable capacitance elements, using a thin-film dielectric layer whose dielectric constant varies with voltage application, connected in series with one another between the high-frequency signal input and output terminals. The first bias lines belonging to a high-potential side and the second bias lines belonging to a low-potential side, in terms of voltage application, are connected, alternately, to electrodes of the variable capacitance elements connected one another and electrodes in the array of the series-connected variable capacitance elements connected respectively to the input terminal and the output terminal.

REFERENCES:
patent: 5379008 (1995-01-01), Bockelman et al.
patent: 6018282 (2000-01-01), Tsuda
patent: 6100773 (2000-08-01), Nakamichi et al.
patent: 6285542 (2001-09-01), Kennedy et al.
patent: 6674321 (2004-01-01), York
patent: 11-260667 (1999-09-01), None

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