CN108900173A - 一种以硅为牺牲层的薄膜体声波谐振器制备方法 - Google Patents
一种以硅为牺牲层的薄膜体声波谐振器制备方法 Download PDFInfo
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- CN108900173A CN108900173A CN201810722065.5A CN201810722065A CN108900173A CN 108900173 A CN108900173 A CN 108900173A CN 201810722065 A CN201810722065 A CN 201810722065A CN 108900173 A CN108900173 A CN 108900173A
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- silicon
- thin film
- acoustic wave
- preparation
- bulk acoustic
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- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 73
- 239000010703 silicon Substances 0.000 title claims abstract description 73
- 238000002360 preparation method Methods 0.000 title claims abstract description 34
- 239000010409 thin film Substances 0.000 title claims abstract description 23
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 73
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000000758 substrate Substances 0.000 claims abstract description 21
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 20
- 238000005516 engineering process Methods 0.000 claims description 8
- 238000005530 etching Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 238000005498 polishing Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000004518 low pressure chemical vapour deposition Methods 0.000 claims description 3
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 claims 11
- 239000011241 protective layer Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 5
- 239000012528 membrane Substances 0.000 abstract description 4
- 229910021421 monocrystalline silicon Inorganic materials 0.000 abstract description 4
- 239000011810 insulating material Substances 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 10
- 239000010408 film Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 229910017083 AlN Inorganic materials 0.000 description 3
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000001259 photo etching Methods 0.000 description 2
- WSMQKESQZFQMFW-UHFFFAOYSA-N 5-methyl-pyrazole-3-carboxylic acid Chemical compound CC1=CC(C(O)=O)=NN1 WSMQKESQZFQMFW-UHFFFAOYSA-N 0.000 description 1
- 241000208340 Araliaceae Species 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- PSHMSSXLYVAENJ-UHFFFAOYSA-N dilithium;[oxido(oxoboranyloxy)boranyl]oxy-oxoboranyloxyborinate Chemical compound [Li+].[Li+].O=BOB([O-])OB([O-])OB=O PSHMSSXLYVAENJ-UHFFFAOYSA-N 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 1
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 1
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- VDGJOQCBCPGFFD-UHFFFAOYSA-N oxygen(2-) silicon(4+) titanium(4+) Chemical compound [Si+4].[O-2].[O-2].[Ti+4] VDGJOQCBCPGFFD-UHFFFAOYSA-N 0.000 description 1
- UPIXZLGONUBZLK-UHFFFAOYSA-N platinum Chemical compound [Pt].[Pt] UPIXZLGONUBZLK-UHFFFAOYSA-N 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- MAKDTFFYCIMFQP-UHFFFAOYSA-N titanium tungsten Chemical compound [Ti].[W] MAKDTFFYCIMFQP-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
Description
Claims (10)
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CN201810722065.5A CN108900173B (zh) | 2018-07-04 | 2018-07-04 | 一种以硅为牺牲层的薄膜体声波谐振器制备方法 |
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CN108900173B CN108900173B (zh) | 2022-03-04 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110166013A (zh) * | 2019-06-20 | 2019-08-23 | 杭州左蓝微电子技术有限公司 | 一种声波器件及其制备方法、温度控制方法 |
CN110289824A (zh) * | 2019-05-22 | 2019-09-27 | 杭州左蓝微电子技术有限公司 | 薄膜体声波谐振器及其制备方法 |
CN110350885A (zh) * | 2019-08-06 | 2019-10-18 | 杭州左蓝微电子技术有限公司 | 一种滤波器及其制备方法 |
CN111262547A (zh) * | 2019-12-31 | 2020-06-09 | 诺思(天津)微系统有限责任公司 | 体声波谐振器、mems器件、滤波器和电子设备 |
WO2020177558A1 (zh) * | 2019-03-02 | 2020-09-10 | 天津大学 | 释放孔位于封装空间外的mems器件的封装 |
CN114759897A (zh) * | 2022-04-11 | 2022-07-15 | 浙江星曜半导体有限公司 | 一种薄膜体声波谐振器及其制备方法 |
CN110350885B (zh) * | 2019-08-06 | 2024-05-31 | 杭州左蓝微电子技术有限公司 | 一种滤波器及其制备方法 |
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CN106961258A (zh) * | 2017-05-04 | 2017-07-18 | 杭州左蓝微电子技术有限公司 | 一种空腔型声表面波谐振器及其加工方法 |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020177558A1 (zh) * | 2019-03-02 | 2020-09-10 | 天津大学 | 释放孔位于封装空间外的mems器件的封装 |
CN110289824A (zh) * | 2019-05-22 | 2019-09-27 | 杭州左蓝微电子技术有限公司 | 薄膜体声波谐振器及其制备方法 |
CN110166013A (zh) * | 2019-06-20 | 2019-08-23 | 杭州左蓝微电子技术有限公司 | 一种声波器件及其制备方法、温度控制方法 |
CN110166013B (zh) * | 2019-06-20 | 2024-05-14 | 杭州左蓝微电子技术有限公司 | 一种声波器件及其制备方法、温度控制方法 |
CN110350885A (zh) * | 2019-08-06 | 2019-10-18 | 杭州左蓝微电子技术有限公司 | 一种滤波器及其制备方法 |
CN110350885B (zh) * | 2019-08-06 | 2024-05-31 | 杭州左蓝微电子技术有限公司 | 一种滤波器及其制备方法 |
CN111262547A (zh) * | 2019-12-31 | 2020-06-09 | 诺思(天津)微系统有限责任公司 | 体声波谐振器、mems器件、滤波器和电子设备 |
CN111262547B (zh) * | 2019-12-31 | 2021-08-10 | 诺思(天津)微系统有限责任公司 | 体声波谐振器、mems器件、滤波器和电子设备 |
CN114759897A (zh) * | 2022-04-11 | 2022-07-15 | 浙江星曜半导体有限公司 | 一种薄膜体声波谐振器及其制备方法 |
CN114759897B (zh) * | 2022-04-11 | 2023-05-23 | 浙江星曜半导体有限公司 | 一种薄膜体声波谐振器及其制备方法 |
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