ACOUSTIC RESONATOR AND FILTER DEVICE WITH BALANCED CHIRPING

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United States of America Patent

APP PUB NO 20240022227A1
SERIAL NO

18353979

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An acoustic resonator is provided that includes a substrate; a piezoelectric layer supported by the substrate; and an interdigital transducer (IDT) at a surface of the piezoelectric layer. The IDT includes a pair of busbars and a plurality of electrode fingers extending from the first and second busbars to be interleaved with each other. The respective widths of at least a portion of the electrode fingers increases in a direction from respective first ends of the first and second busbars to the respective second end of the first and second busbars. Moreover, a pitch of the portion of the electrode fingers decreases in the direction from the respective first ends of the first and second busbar to the respective second ends of the first and second busbars.

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Patent Owner(s)

Patent OwnerAddress
MURATA MANUFACTURING CONAGAOKAKYO-SHI 26-10 TENJIN 2-CHOME KYOTO-FU 617-8555

International Classification(s)

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  • 2023 Application Filing Year
  • H03H Class
  • 901 Applications Filed
  • 148 Patents Issued To-Date
  • 16.43 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
DYER, Greg Santa Barbara, US 48 158
KOULAKIS, John P Los Angeles, US 6 0

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges8934501 - 10050100150200250300350400450500550600650700750800850900950

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