SG10202004451PA - Film bulk acoustic resonator including recessed frame with scattering sides - Google Patents
Film bulk acoustic resonator including recessed frame with scattering sidesInfo
- Publication number
- SG10202004451PA SG10202004451PA SG10202004451PA SG10202004451PA SG10202004451PA SG 10202004451P A SG10202004451P A SG 10202004451PA SG 10202004451P A SG10202004451P A SG 10202004451PA SG 10202004451P A SG10202004451P A SG 10202004451PA SG 10202004451P A SG10202004451P A SG 10202004451PA
- Authority
- SG
- Singapore
- Prior art keywords
- bulk acoustic
- acoustic resonator
- film bulk
- resonator including
- recessed frame
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02007—Details of bulk acoustic wave devices
- H03H9/02086—Means for compensation or elimination of undesirable effects
- H03H9/0211—Means for compensation or elimination of undesirable effects of reflections
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/0004—Impedance-matching networks
- H03H9/0014—Impedance-matching networks using bulk acoustic wave devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02007—Details of bulk acoustic wave devices
- H03H9/02086—Means for compensation or elimination of undesirable effects
- H03H9/02118—Means for compensation or elimination of undesirable effects of lateral leakage between adjacent resonators
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
- H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
- H03H9/171—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator implemented with thin-film techniques, i.e. of the film bulk acoustic resonator [FBAR] type
- H03H9/172—Means for mounting on a substrate, i.e. means constituting the material interface confining the waves to a volume
- H03H9/173—Air-gaps
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezo-electric or electrostrictive material
- H03H9/56—Monolithic crystal filters
- H03H9/564—Monolithic crystal filters implemented with thin-film techniques
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
- H03H9/703—Networks using bulk acoustic wave devices
- H03H9/706—Duplexers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962851844P | 2019-05-23 | 2019-05-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
SG10202004451PA true SG10202004451PA (en) | 2020-12-30 |
Family
ID=73454799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG10202004451PA SG10202004451PA (en) | 2019-05-23 | 2020-05-13 | Film bulk acoustic resonator including recessed frame with scattering sides |
Country Status (3)
Country | Link |
---|---|
US (1) | US11595018B2 (en) |
JP (1) | JP2020191637A (en) |
SG (1) | SG10202004451PA (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20200030478A (en) | 2018-09-12 | 2020-03-20 | 스카이워크스 글로벌 피티이. 엘티디. | Recess frame structure for a bulk acoustic wave resonator |
US11601113B2 (en) | 2019-05-24 | 2023-03-07 | Skyworks Global Pte. Ltd. | Bulk acoustic wave/film bulk acoustic wave resonator and filter for wide bandwidth applications |
US11601112B2 (en) | 2019-05-24 | 2023-03-07 | Skyworks Global Pte. Ltd. | Bulk acoustic wave/film bulk acoustic wave resonator and filter for wide bandwidth applications |
US11165410B2 (en) * | 2019-10-01 | 2021-11-02 | Avago Technologies International Sales Pte. Limited | Bulk acoustic wave resonator |
KR20210126966A (en) * | 2020-04-13 | 2021-10-21 | 삼성전기주식회사 | Bulk-acoustic wave resonator |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007074647A (en) | 2005-09-09 | 2007-03-22 | Toshiba Corp | Thin film piezoelectric resonator and method of manufacturing same |
JP2008035358A (en) | 2006-07-31 | 2008-02-14 | Hitachi Media Electoronics Co Ltd | Thin film piezoelectric bulk wave resonator and high frequency filter using it |
JP5013227B2 (en) | 2007-04-11 | 2012-08-29 | 株式会社村田製作所 | Piezoelectric thin film filter |
WO2011036979A1 (en) | 2009-09-28 | 2011-03-31 | 太陽誘電株式会社 | Acoustic wave device |
US8796904B2 (en) | 2011-10-31 | 2014-08-05 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Bulk acoustic resonator comprising piezoelectric layer and inverse piezoelectric layer |
WO2011099381A1 (en) | 2010-02-09 | 2011-08-18 | 株式会社村田製作所 | Piezoelectric device, and piezoelectric device manufacturing method |
JP2013038471A (en) | 2011-08-03 | 2013-02-21 | Taiyo Yuden Co Ltd | Acoustic wave filter |
CN103765769B (en) | 2011-09-01 | 2016-12-28 | 株式会社村田制作所 | Piezoelectrics wave device and manufacture method thereof |
KR101918031B1 (en) * | 2013-01-22 | 2018-11-13 | 삼성전자주식회사 | Resonator and resonator making method for decreasing spurious resonance |
US9281800B2 (en) | 2014-01-24 | 2016-03-08 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Resonator filter device having narrow pass-band |
JP6400970B2 (en) | 2014-07-25 | 2018-10-03 | 太陽誘電株式会社 | Filters and duplexers |
US9571063B2 (en) | 2014-10-28 | 2017-02-14 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Acoustic resonator device with structures having different apodized shapes |
KR20160068298A (en) | 2014-12-05 | 2016-06-15 | 삼성전기주식회사 | Bulk acoustic wave filter |
JP6441761B2 (en) | 2015-07-29 | 2018-12-19 | 太陽誘電株式会社 | Piezoelectric thin film resonator and filter |
US9893713B2 (en) | 2015-09-30 | 2018-02-13 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Wide bandwidth muliplexer based on LC and acoustic resonator circuits for performing carrier aggregation |
JP6515042B2 (en) | 2016-01-25 | 2019-05-15 | 太陽誘電株式会社 | Elastic wave device |
US10720900B2 (en) | 2016-07-07 | 2020-07-21 | Samsung Electro-Mechanics Co., Ltd. | Acoustic resonator and method |
US20180115302A1 (en) | 2016-10-26 | 2018-04-26 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Bulk acoustic wave resonators having doped piezoelectric material and a buffer layer |
KR102369436B1 (en) | 2017-04-19 | 2022-03-03 | 삼성전기주식회사 | Bulk acoustic wave resonator |
DE102017118804B3 (en) | 2017-08-17 | 2018-11-15 | RF360 Europe GmbH | Acoustic resonator with high Q |
JP7017364B2 (en) | 2017-10-18 | 2022-02-08 | 太陽誘電株式会社 | Ladder type filter, piezoelectric thin film resonator and its manufacturing method |
CN111033774B (en) | 2017-11-22 | 2023-11-17 | 株式会社村田制作所 | Piezoelectric device and method for manufacturing piezoelectric device |
DE102018101442B4 (en) | 2018-01-23 | 2019-09-12 | RF360 Europe GmbH | BAW resonator with increased quality factor |
KR20200030478A (en) | 2018-09-12 | 2020-03-20 | 스카이워크스 글로벌 피티이. 엘티디. | Recess frame structure for a bulk acoustic wave resonator |
KR20200131528A (en) | 2019-05-14 | 2020-11-24 | 삼성전기주식회사 | Filter including acoustic wave resonator |
US11601113B2 (en) | 2019-05-24 | 2023-03-07 | Skyworks Global Pte. Ltd. | Bulk acoustic wave/film bulk acoustic wave resonator and filter for wide bandwidth applications |
US11601112B2 (en) | 2019-05-24 | 2023-03-07 | Skyworks Global Pte. Ltd. | Bulk acoustic wave/film bulk acoustic wave resonator and filter for wide bandwidth applications |
-
2020
- 2020-05-13 SG SG10202004451PA patent/SG10202004451PA/en unknown
- 2020-05-19 US US16/877,674 patent/US11595018B2/en active Active
- 2020-05-21 JP JP2020088940A patent/JP2020191637A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
US11595018B2 (en) | 2023-02-28 |
US20200373901A1 (en) | 2020-11-26 |
JP2020191637A (en) | 2020-11-26 |
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