Elastic wave device and method for manufacturing the same

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United States of America Patent

PATENT NO 9431996
APP PUB NO 20130285768A1
SERIAL NO

13920492

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Abstract

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An elastic wave device includes a supporting substrate, a high-acoustic-velocity film stacked on the supporting substrate and in which an acoustic velocity of a bulk wave propagating therein is higher than an acoustic velocity of an elastic wave propagating in a piezoelectric film, a low-acoustic-velocity film stacked on the high-acoustic-velocity film and in which an acoustic velocity of a bulk wave propagating therein is lower than an acoustic velocity of a bulk wave propagating in the piezoelectric film, the piezoelectric film is stacked on the low-acoustic-velocity film, and an IDT electrode stacked on a surface of the piezoelectric film.

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Patent Owner(s)

Patent OwnerAddress
MURATA MANUFACTURING CO LTDKYOTO

International Classification(s)

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  • 2013 Application Filing Year
  • H03H Class
  • 851 Applications Filed
  • 778 Patents Issued To-Date
  • 91.43 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances201320142015201620172018201920200255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Iwamoto, Hideki Nagaokakyo, JP 78 478
Kando, Hajime Nagaokakyo, JP 75 1865
Kido, Syunsuke Nagaokakyo, JP 47 695
Watanabe, Munehisa Nagaokakyo, JP 20 585

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Patent Citation Ranking

  • 15 Citation Count
  • H03H Class
  • 77.55 % this patent is cited more than
  • 9 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges50285571698411101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 90020406080100120140160180200220240260280300

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