CN112615601A - 一种具有poi结构的高fom值兰姆波谐振器 - Google Patents
一种具有poi结构的高fom值兰姆波谐振器 Download PDFInfo
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- CN112615601A CN112615601A CN202011510438.6A CN202011510438A CN112615601A CN 112615601 A CN112615601 A CN 112615601A CN 202011510438 A CN202011510438 A CN 202011510438A CN 112615601 A CN112615601 A CN 112615601A
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- piezoelectric layer
- duty ratio
- case
- lamb wave
- wave resonator
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- 235000019687 Lamb Nutrition 0.000 title claims abstract description 52
- 239000000463 material Substances 0.000 claims abstract description 27
- 239000000758 substrate Substances 0.000 claims abstract description 23
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052681 coesite Inorganic materials 0.000 claims description 5
- 229910052906 cristobalite Inorganic materials 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- 229910052682 stishovite Inorganic materials 0.000 claims description 5
- 229910052905 tridymite Inorganic materials 0.000 claims description 5
- 230000005284 excitation Effects 0.000 claims description 2
- 238000003475 lamination Methods 0.000 claims description 2
- 238000010030 laminating Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 169
- 230000008878 coupling Effects 0.000 description 76
- 238000010168 coupling process Methods 0.000 description 76
- 238000005859 coupling reaction Methods 0.000 description 76
- 238000010586 diagram Methods 0.000 description 35
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010897 surface acoustic wave method Methods 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
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- 229910052737 gold Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 1
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- 239000011241 protective layer Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 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
- H03H9/02—Details
-
- 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
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
Description
压电层切角θ | 占空比η | FOM |
30° | 0.4 | 246 |
35° | 0.4 | 241 |
40° | 0.4 | 260 |
45° | 0.4 | 209 |
50° | 0.4 | 234 |
55° | 0.4 | 273 |
Claims (10)
Priority Applications (1)
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CN202011510438.6A CN112615601A (zh) | 2020-12-18 | 2020-12-18 | 一种具有poi结构的高fom值兰姆波谐振器 |
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CN202011510438.6A CN112615601A (zh) | 2020-12-18 | 2020-12-18 | 一种具有poi结构的高fom值兰姆波谐振器 |
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CN112615601A true CN112615601A (zh) | 2021-04-06 |
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CN202011510438.6A Pending CN112615601A (zh) | 2020-12-18 | 2020-12-18 | 一种具有poi结构的高fom值兰姆波谐振器 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN118249775A (zh) * | 2024-05-24 | 2024-06-25 | 中国科学技术大学 | 一种声波谐振器 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1316131A (zh) * | 1999-07-16 | 2001-10-03 | 三菱电机株式会社 | 弹性波装置 |
CN106416067A (zh) * | 2014-06-26 | 2017-02-15 | 株式会社村田制作所 | 纵耦合谐振器型声表面波滤波器 |
JP2017175276A (ja) * | 2016-03-22 | 2017-09-28 | 太陽誘電株式会社 | 弾性波共振器、フィルタおよびマルチプレクサ並びに弾性波共振器の製造方法 |
CN107733395A (zh) * | 2017-11-14 | 2018-02-23 | 安徽云塔电子科技有限公司 | 一种压电谐振器和压电谐振器的制备方法 |
CN109039298A (zh) * | 2018-07-27 | 2018-12-18 | 开元通信技术(厦门)有限公司 | 声表面波器件及其制作方法 |
CN112054781A (zh) * | 2020-09-11 | 2020-12-08 | 广东广纳芯科技有限公司 | 具有双层同向叉指换能器结构的高性能谐振器 |
-
2020
- 2020-12-18 CN CN202011510438.6A patent/CN112615601A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1316131A (zh) * | 1999-07-16 | 2001-10-03 | 三菱电机株式会社 | 弹性波装置 |
CN106416067A (zh) * | 2014-06-26 | 2017-02-15 | 株式会社村田制作所 | 纵耦合谐振器型声表面波滤波器 |
JP2017175276A (ja) * | 2016-03-22 | 2017-09-28 | 太陽誘電株式会社 | 弾性波共振器、フィルタおよびマルチプレクサ並びに弾性波共振器の製造方法 |
CN107733395A (zh) * | 2017-11-14 | 2018-02-23 | 安徽云塔电子科技有限公司 | 一种压电谐振器和压电谐振器的制备方法 |
CN109039298A (zh) * | 2018-07-27 | 2018-12-18 | 开元通信技术(厦门)有限公司 | 声表面波器件及其制作方法 |
CN112054781A (zh) * | 2020-09-11 | 2020-12-08 | 广东广纳芯科技有限公司 | 具有双层同向叉指换能器结构的高性能谐振器 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN118249775A (zh) * | 2024-05-24 | 2024-06-25 | 中国科学技术大学 | 一种声波谐振器 |
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