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US 7,109,818 B2Granted
Tunable circuit for tunable capacitor devices
AssigneeMidwest Research Institute
InventorsTatiana Rivkina, David S. Ginley
Life of this patent
Estimating the term…
Abstract
A tunable circuit (10) for a capacitively tunable capacitor device (12) is provided. The tunable circuit (10) comprises a tunable circuit element (14) and a non-tunable dielectric element (16) coupled to the tunable circuit element (16). A tunable capacitor device (12) and a method for increasing the figure of merit in a tunable capacitor device (12) are also provided.
Claims21
A tunable circuit for a capacitively tunable device, the tunable circuit comprising:
- a substrate;
- a tunable circuit element;
- a non-tunable dielectric clement coupled to the tunable circuit element, the substrate, tunable circuit element, and non-tunable dielectric element configured in a layered structure, wherein the tunable circuit element and non-tunable dielectric element are configured in a layered structure with the tunable circuit element being layered upon the non-tunable dielectric element and a pair of contacts contacting the tunable circuit element;
- and
- at least one AC terminal contacting only the non-tunable dielectric element.
2 more elements
A method for increasing the figure of merit in a tunable capacitor device, the method comprising:
- providing a substrate;
- providing a tunable element;
- providing a non-tunable dielectric element with at least one AC terminal contacting only the non-tunable dielectric clement;
- coupling the tunable element to the non-tunable dielectric element so that the substrate, tunable element, and non-tunable dielectric element are provided in a layered structure;
- and
- configuring the tunable element and the non-tunable dielectric element in a layered structure with the tunable element being layered upon the non-tunable dielectric element and a pair of contacts contacting the tunable element.
3 more elements
A tunable capacitor device comprising:
- a substrate;
- non-tunable dielectric element;
- a tunable circuit element electrically connected to the non-tunable dielectric element forming a combined dielectric element, the combined dielectric element being electrically connected to the substrate, the substrate, non-tunable dielectric element, and tunable circuit element configured in a layered structure with the tunable circuit element being layered upon the non-tunable dielectric element;
- at least one AC terminal contacting only the non-tunable dielectric element;
- and
- a plurality of contacts mounted to the tunable circuit element.
3 more elements
Dependencies are inferred from the claim text.