Raised frame bulk acoustic wave devices

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12255629
APP PUB NO 20220311410A1
SERIAL NO

17703863

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Abstract

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Aspects of this disclosure relate to bulk acoustic wave devices that have a raised frame structure, and filters that utilize the bulk acoustic wave devices. The raised frame structure can include a first raised frame layer that has a relatively low acoustic impedance. The raised frame structure can include a second raised frame layer that has a relatively high acoustic impedance. The first raised frame layer can extend inward further than the second raised frame layer. A width of the first raised frame layer that overlaps the first and second electrodes is between about 1.5 times to about 4 times larger than the combined thickness of the first electrode, the piezoelectric layer, and the second electrode.

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Patent Owner(s)

  • SKYWORKS GLOBAL PTE. LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Goto, Rei Osaka, JP 213 810
Hayashi, Takashi Suita, JP 273 2675
Komatsu, Tomoya Irvine, US 62 674
Sano, Hironori Osaka, JP 2 4
Shin, Kwang Jae Yongin, KR 77 256
Wang, Yiliu Irvine, US 68 143

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