Variable capacitance device with high accuracy

Details Variable capacitance device with high accuracy Variable capacitance device with high accuracy

2007-10-09

2007-10-09

Loke, Steven (Department: 2818)

Active solid-state devices (e.g., transistors, solid-state diode

Field effect device

Charge transfer device

C257S374000, C257SE21019, C257SE21261, C438S241000, C438S253000

Reexamination Certificate

active

11151440

ABSTRACT:
A capacitance device includes a dielectric film, the first electrode and the second electrode. One of the two electrodes is divided into a plurality of electrode portions. Each of the divided electrode portions is connected with each other through switching transistors so that appropriate portions contributing to the capacitance can be selected. The device can vary its capacitance with high accuracy.

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Office Action from German Patent Office issued on Sep. 14, 2006 for the corresponding German patent application No. 102005028935.5 (a copy and English translation thereof).

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