TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH BURIED OXIDE STRIP ACOUSTIC CONFINEMENT STRUCTURES
Number of patents in Portfolio can not be more than 2000
United States of America
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N/A
Issued Date -
Mar 20, 2025
app pub date -
Dec 3, 2024
filing date -
Dec 3, 2024
priority date (Note) -
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Abstract
A filter device is provided that includes a plurality of bulk acoustic resonators that each includes a piezoelectric layer; a conductor pattern on the piezoelectric layer and including an interdigital transducer (IDT) having a first plurality of fingers extending from a first busbar and a second plurality of fingers extending from the second busbar, such that the first plurality of fingers and the second plurality of fingers are interleaved with each other; a dielectric strip that overlaps a margin of the first plurality of fingers and that extends into a gap between ends of the first plurality of fingers and the second busbar. Moreover, a thickness ts of the dielectric strip a first bulk acoustic resonator of the plurality of bulk acoustic resonators is different than a thickness ts of the dielectric strip of a second bulk acoustic resonator of the plurality of bulk acoustic resonators.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
MURATA MANUFACTURING CO | NAGAOKAKYO-SHI 26-10 TENJIN 2-CHOME KYOTO-FU 617-8555 |
International Classification(s)

- 2024 Application Filing Year
- H03H Class
- 599 Applications Filed
- 21 Patents Issued To-Date
- 3.51 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
CARDONA, Albert | Santa Barbara, US | 24 | 14 |
# of filed Patents : 24 Total Citations : 14 | |||
KAY, Andrew | Provo, US | 81 | 835 |
# of filed Patents : 81 Total Citations : 835 | |||
KOULAKIS, John | Los Angeles, US | 13 | 11 |
# of filed Patents : 13 Total Citations : 11 | |||
MCHUGH, Sean | Santa Barbara, US | 47 | 176 |
# of filed Patents : 47 Total Citations : 176 |
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- H03H Class
- 0 % this patent is cited more than
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