CN112953448A - 新结构薄膜体声波谐振器及其制备方法 - Google Patents
新结构薄膜体声波谐振器及其制备方法 Download PDFInfo
- Publication number
- CN112953448A CN112953448A CN202110184709.1A CN202110184709A CN112953448A CN 112953448 A CN112953448 A CN 112953448A CN 202110184709 A CN202110184709 A CN 202110184709A CN 112953448 A CN112953448 A CN 112953448A
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- China
- Prior art keywords
- layer
- aluminum nitride
- bulk acoustic
- film bulk
- piezoelectric
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002360 preparation method Methods 0.000 title abstract description 6
- 230000008878 coupling Effects 0.000 claims abstract description 18
- 238000010168 coupling process Methods 0.000 claims abstract description 18
- 238000005859 coupling reaction Methods 0.000 claims abstract description 18
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims description 57
- 239000000463 material Substances 0.000 claims description 30
- 239000010408 film Substances 0.000 claims description 23
- 238000000151 deposition Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 15
- 238000005530 etching Methods 0.000 claims description 7
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052681 coesite Inorganic materials 0.000 claims description 3
- 229910052906 cristobalite Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 229910052682 stishovite Inorganic materials 0.000 claims description 3
- 229910052905 tridymite Inorganic materials 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 239000011733 molybdenum Substances 0.000 claims description 2
- 229920002120 photoresistant polymer Polymers 0.000 claims description 2
- 238000009987 spinning Methods 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- 239000010409 thin film Substances 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 3
- 238000011161 development Methods 0.000 abstract description 2
- 238000010897 surface acoustic wave method Methods 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract 1
- 238000004088 simulation Methods 0.000 description 11
- 238000012986 modification Methods 0.000 description 10
- 230000004048 modification Effects 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 2
- LUKDNTKUBVKBMZ-UHFFFAOYSA-N aluminum scandium Chemical compound [Al].[Sc] LUKDNTKUBVKBMZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
Images
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
- H03H9/15—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
- H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
- H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
- H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
-
- 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
- H03H9/02015—Characteristics of piezoelectric layers, e.g. cutting angles
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
- H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
- H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
- H03H2003/023—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks the resonators or networks being of the membrane type
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110184709.1A CN112953448A (zh) | 2021-02-10 | 2021-02-10 | 新结构薄膜体声波谐振器及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110184709.1A CN112953448A (zh) | 2021-02-10 | 2021-02-10 | 新结构薄膜体声波谐振器及其制备方法 |
Publications (1)
Publication Number | Publication Date |
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CN112953448A true CN112953448A (zh) | 2021-06-11 |
Family
ID=76245630
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110184709.1A Pending CN112953448A (zh) | 2021-02-10 | 2021-02-10 | 新结构薄膜体声波谐振器及其制备方法 |
Country Status (1)
Country | Link |
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CN (1) | CN112953448A (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113872560A (zh) * | 2021-09-24 | 2021-12-31 | 天津理工大学 | 一种提高AlN声表面波器件机电耦合系数的结构及方法 |
WO2023125756A1 (zh) * | 2021-12-31 | 2023-07-06 | 河源市艾佛光通科技有限公司 | 一种宽带薄膜体声波谐振器的制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060186759A1 (en) * | 2003-07-21 | 2006-08-24 | Kim Hyeong J | Silicon film bulk acoustic wave device and process of the same |
US20150244347A1 (en) * | 2014-02-27 | 2015-08-27 | Avago Technologies General Ip (Singapore) Pte. Ltd | Bulk acoustic wave resonator having doped piezoelectric layer |
US20150333249A1 (en) * | 2012-12-21 | 2015-11-19 | Epcos Ag | BAW Component and Method for Manufacturing a BAW Component |
US20180041189A1 (en) * | 2016-08-03 | 2018-02-08 | Samsung Electro-Mechanics Co., Ltd. | Bulk acoustic resonator and filter |
-
2021
- 2021-02-10 CN CN202110184709.1A patent/CN112953448A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060186759A1 (en) * | 2003-07-21 | 2006-08-24 | Kim Hyeong J | Silicon film bulk acoustic wave device and process of the same |
US20150333249A1 (en) * | 2012-12-21 | 2015-11-19 | Epcos Ag | BAW Component and Method for Manufacturing a BAW Component |
US20150244347A1 (en) * | 2014-02-27 | 2015-08-27 | Avago Technologies General Ip (Singapore) Pte. Ltd | Bulk acoustic wave resonator having doped piezoelectric layer |
US20180041189A1 (en) * | 2016-08-03 | 2018-02-08 | Samsung Electro-Mechanics Co., Ltd. | Bulk acoustic resonator and filter |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113872560A (zh) * | 2021-09-24 | 2021-12-31 | 天津理工大学 | 一种提高AlN声表面波器件机电耦合系数的结构及方法 |
WO2023125756A1 (zh) * | 2021-12-31 | 2023-07-06 | 河源市艾佛光通科技有限公司 | 一种宽带薄膜体声波谐振器的制备方法 |
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Effective date of registration: 20220331 Address after: 315832 e2025, zone a, Room 401, building 1, No. 88, Meishan Qixing Road, Beilun District, Ningbo, Zhejiang Province Applicant after: Ningbo Huazhang enterprise management partnership (L.P.) Address before: 430072 Hubei Province, Wuhan city Wuchang District of Wuhan University Luojiashan Applicant before: WUHAN University |
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Effective date of registration: 20220901 Address after: No.01, 4th floor, building D7, phase 3, Wuhan Software New Town, No.9 Huacheng Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430000 Applicant after: Wuhan Minsheng New Technology Co.,Ltd. Address before: 315832 e2025, zone a, Room 401, building 1, No. 88, Meishan Qixing Road, Beilun District, Ningbo, Zhejiang Province Applicant before: Ningbo Huazhang enterprise management partnership (L.P.) |