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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
KOSMEK LTD	2-1-5 MUROTANI NISHI-KU KOBE-SHI HYOGO 651-2241

International Classification(s)

• B23Q:DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TO....
• B25B:TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR,....
• F16B:DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL E....
• F15B:SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUI....

• 2022 Application Filing Year
• B23Q Class
• 422 Applications Filed
• 130 Patents Issued To-Date
• 30.81 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
YOSHIMI, MASAHIRO	Kobe, JP	7	8
# of filed Patents : 7 Total Citations : 8

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Full Text

US Patent Application No: 2024/0291,461

TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATORS

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Abstract

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There is disclosed acoustic resonators and filter devices. An acoustic resonator includes a single-crystal piezoelectric plate having front and back surfaces, a portion of the piezoelectric plate forming a diaphragm. An interdigital transducer (IDT) is formed on the front surface of the single-crystal piezoelectric plate such that interleaved fingers of the IDT are disposed on the diaphragm. The piezoelectric plate and the IDT are configured such that a radio frequency signal applied to the IDT excites a primary shear acoustic mode in the diaphragm.

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Description

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