Capacitance element and resonant circuit
A capacitive device and electrode technology, which is applied in the field of resonant circuits, can solve problems such as the increase of dielectric constant, and achieve the effect of improving performance and increasing the rate of capacitance change
Active Publication Date: 2015-02-25
DEXERIALS CORP
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
Furthermore, since the dielectric constant is increased by finally applying residual stress to the multilayer dielectric device body of the multilayer ceramic capacitor as described above, further miniaturization becomes possible
Method used
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no. 1 approach
[0034] 1. First Embodiment: Example where the present invention is applied to a variable capacitance device
[0035] 1-1 Principle
[0036] 1-2 Structure of variable capacitance device
[0037] 1-3 Manufacturing method of variable capacitance device
[0038] 1-4 Operation of variable capacitance device
no. 2 approach
[0039] 2. Second Embodiment: Example where the present invention is applied to a variable capacitance device
no. 3 approach
[0040] 3. Third Embodiment: Example where the present invention is applied to a variable capacitance device
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To provide a capacitative device capable of accurately securing a capacitance value, a variable capacitative device capable of sufficiently securing a capacity variability rate, and a resonance circuit that uses the capacitative devices. A capacitative device according to the present invention includes a capacitative device body constituted of a dielectric layer and at least a pair of capacitative device electrodes that sandwich the dielectric layer and cause a desired electric field in the dielectric layer; and stress adjustment portions to adjust a stress caused in the dielectric layer of the capacitative device body.
Description
[0001] This case is a divisional application of the following parent application: [0002] Application date: July 27, 2010 [0003] Application number: 201080033429.0 [0004] Title of Invention: Capacitive Device and Resonant Circuit. technical field [0005] The present invention relates to a capacitive device and a resonant circuit provided with the capacitive device, and more particularly, to a capacitive device and a resonant circuit capable of adjusting stress generated in the capacitive device in use. Background technique [0006] In recent years, along with miniaturization of electronic equipment and enhancement of its reliability, development of a miniaturized capacitor device has been demanded as an electronic component used in the electronic equipment. In order to reduce the size of the capacitive device and increase the capacity, a multilayer ceramic capacitor has been proposed in which external electrodes are formed in a multilayer dielectric device body in wh...
Claims
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IPC IPC(8): H01G7/06H01G4/255H01G4/40
CPCH01G4/232H01G4/012H01G4/30H03H7/0115H03H2001/0085
Inventor 佐藤则孝管野正喜矢岛正一
Owner DEXERIALS CORP