Variable power capacitor for radio frequency power applications

Variable power capacitor for radio frequency power applications

  • CN 107,004,507 B
  • Filed: 09/04/2014
  • Issued: 08/03/2021
  • Est. Priority Date: 09/04/2014
  • Status: Active Grant
First Claim
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1. A power capacitor (7) for RF power applications capable of operating at least 50 Watts, said power capacitor comprising at least two RF electrodes (18, 19) separated by a capacitor dielectric (17), said capacitor dielectric (17) comprising a solid dielectric material,it is characterized in thatThe solid dielectric material has a controllable relative dielectric constant (1),wherein the relative permittivity (1) of the capacitor dielectric (17) is controllable by varying a DC bias (12) applied to at least a portion of the capacitor dielectric (17),wherein the capacitor dielectric comprises a block of the solid dielectric material having a thickness of at least 0.1 mm.

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