JP2020156003A - 弾性波装置 - Google Patents
弾性波装置 Download PDFInfo
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- JP2020156003A JP2020156003A JP2019054067A JP2019054067A JP2020156003A JP 2020156003 A JP2020156003 A JP 2020156003A JP 2019054067 A JP2019054067 A JP 2019054067A JP 2019054067 A JP2019054067 A JP 2019054067A JP 2020156003 A JP2020156003 A JP 2020156003A
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- sound velocity
- piezoelectric layer
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- 230000001902 propagating effect Effects 0.000 claims abstract description 22
- WSMQKESQZFQMFW-UHFFFAOYSA-N 5-methyl-pyrazole-3-carboxylic acid Chemical compound CC1=CC(C(O)=O)=NN1 WSMQKESQZFQMFW-UHFFFAOYSA-N 0.000 claims abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 8
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- 230000000052 comparative effect Effects 0.000 description 15
- 229910052751 metal Inorganic materials 0.000 description 14
- 239000002184 metal Substances 0.000 description 14
- 239000000758 substrate Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 239000010936 titanium Substances 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 235000019687 Lamb Nutrition 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 239000003989 dielectric material Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- JCCYXJAEFHYHPP-OLXYHTOASA-L dilithium;(2r,3r)-2,3-dihydroxybutanedioate Chemical compound [Li+].[Li+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O JCCYXJAEFHYHPP-OLXYHTOASA-L 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- -1 hafnium nitride Chemical class 0.000 description 1
- 229910000449 hafnium oxide Inorganic materials 0.000 description 1
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 125000005372 silanol group Chemical group 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- PBCFLUZVCVVTBY-UHFFFAOYSA-N tantalum pentoxide Inorganic materials O=[Ta](=O)O[Ta](=O)=O PBCFLUZVCVVTBY-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten 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
- 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
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02818—Means for compensation or elimination of undesirable effects
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/25—Constructional features of resonators using surface acoustic waves
-
- 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
- H03H9/02062—Details relating to the vibration mode
-
- 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
-
- 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
- H03H9/02—Details
- H03H9/02228—Guided bulk acoustic wave devices or Lamb wave devices having interdigital transducers situated in parallel planes on either side of a piezoelectric layer
-
- 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
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02543—Characteristics of substrate, e.g. cutting angles
- H03H9/02559—Characteristics of substrate, e.g. cutting angles of lithium niobate or lithium-tantalate substrates
-
- 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
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02543—Characteristics of substrate, e.g. cutting angles
- H03H9/02574—Characteristics of substrate, e.g. cutting angles of combined substrates, multilayered substrates, piezoelectrical layers on not-piezoelectrical substrate
-
- 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
- H03H9/13—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials
- H03H9/131—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials consisting of a multilayered structure
-
- 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
-
- 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
- H03H9/14538—Formation
-
- 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
- H03H9/178—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator of a laminated structure of multiple piezoelectric layers with inner electrodes
-
- 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
- H03H9/64—Filters using surface acoustic waves
- H03H9/6489—Compensation of undesirable effects
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/87—Electrodes or interconnections, e.g. leads or terminals
- H10N30/877—Conductive materials
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
Description
電極指本数=無限周期
デューティ比=0.5
圧電層3;42°YカットX伝搬のLiTaO3、厚み0.2λ。
IDT電極4及び反射器5,6の積層構造;上からTi膜/Mo膜/Ti膜の積層金属膜、厚みは、Ti膜=λの0.2%/Mo膜=λの5.2%/Ti膜=λの0.6%。
電極指本数=無限周期
デューティ比=0.5
中間層12;SiO2膜、厚み0.2λ
圧電層3;50°YカットX伝搬のLiTaO3、厚み0.2λ。
IDT電極4及び反射器5,6の積層構造;Al膜/Ru膜、膜厚Al膜=λの4%、Ru膜=λの4%。すなわち、IDT電極4における絶対膜厚は波長のλの8%であることした。
Vsp=5640m/秒
なお、Vsubは5575m/秒である。
2…高音速部材
3…圧電層
4…IDT電極
5,6…反射器
12…中間層
22…誘電体層
Claims (4)
- 前記タンタル酸リチウムのカット角が、YカットX伝搬で、−10°〜+65°の範囲内にある、請求項1または2に記載の弾性波装置。
- 前記IDT電極と、前記圧電層との間に、Al2O3、MgO、BeO、HfO2、AlN、SiN、TiN、ZrN、SiC、TiC、DLC、B4C、TiB2、ZrB2及びNbB2からなる群から選択された少なくとも1種の誘電体が配置されている、請求項1〜3のいずれか1項に記載の弾性波装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019054067A JP7078000B2 (ja) | 2019-03-22 | 2019-03-22 | 弾性波装置 |
KR1020200020872A KR102345530B1 (ko) | 2019-03-22 | 2020-02-20 | 탄성파 장치 |
US16/823,439 US11770110B2 (en) | 2019-03-22 | 2020-03-19 | Acoustic wave device |
CN202010205181.7A CN111726102B (zh) | 2019-03-22 | 2020-03-20 | 弹性波装置 |
Applications Claiming Priority (1)
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JP2019054067A JP7078000B2 (ja) | 2019-03-22 | 2019-03-22 | 弾性波装置 |
Publications (2)
Publication Number | Publication Date |
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JP2020156003A true JP2020156003A (ja) | 2020-09-24 |
JP7078000B2 JP7078000B2 (ja) | 2022-05-31 |
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JP2019054067A Active JP7078000B2 (ja) | 2019-03-22 | 2019-03-22 | 弾性波装置 |
Country Status (4)
Country | Link |
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US (1) | US11770110B2 (ja) |
JP (1) | JP7078000B2 (ja) |
KR (1) | KR102345530B1 (ja) |
CN (1) | CN111726102B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023003006A1 (ja) * | 2021-07-21 | 2023-01-26 | 株式会社村田製作所 | 弾性波装置 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20210099152A1 (en) * | 2019-09-27 | 2021-04-01 | Skyworks Solutions, Inc. | Acoustic wave element having high acoustic velocity layer |
JP7326494B2 (ja) | 2019-10-11 | 2023-08-15 | エルジー エナジー ソリューション リミテッド | バスバープレートを含むバッテリーモジュール、それを含むバッテリーパック及び電子デバイス |
JP7511310B2 (ja) * | 2020-06-17 | 2024-07-05 | 太陽誘電株式会社 | 弾性波デバイス、フィルタおよびマルチプレクサ |
CN112702036A (zh) * | 2020-12-18 | 2021-04-23 | 广东广纳芯科技有限公司 | 一种具有poi结构的兰姆波谐振器 |
CN116318023B (zh) * | 2023-04-04 | 2024-08-16 | 中国科学院上海微系统与信息技术研究所 | 兰姆波谐振器及滤波器 |
Citations (5)
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JP2006013576A (ja) * | 2004-06-22 | 2006-01-12 | Epson Toyocom Corp | Sawデバイスとこれを用いた装置 |
WO2012086639A1 (ja) * | 2010-12-24 | 2012-06-28 | 株式会社村田製作所 | 弾性波装置及びその製造方法 |
JP2012169760A (ja) * | 2011-02-10 | 2012-09-06 | Murata Mfg Co Ltd | 弾性表面波装置 |
WO2013047433A1 (ja) * | 2011-09-30 | 2013-04-04 | 株式会社村田製作所 | 弾性波装置 |
JP2014175885A (ja) * | 2013-03-11 | 2014-09-22 | Panasonic Corp | 弾性波素子とこれを用いた電子機器 |
Family Cites Families (9)
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WO2009139108A1 (ja) * | 2008-05-12 | 2009-11-19 | 株式会社村田製作所 | 弾性境界波装置 |
JP6652062B2 (ja) * | 2014-09-30 | 2020-02-19 | 株式会社村田製作所 | 弾性波装置及びその製造方法 |
KR101989462B1 (ko) * | 2015-06-24 | 2019-06-14 | 가부시키가이샤 무라타 세이사쿠쇼 | 필터 장치 |
US10658564B2 (en) * | 2016-11-24 | 2020-05-19 | Huawei Technologies Co., Ltd. | Surface acoustic wave device |
JP6929565B2 (ja) * | 2016-11-25 | 2021-09-01 | 国立大学法人東北大学 | 弾性波デバイス |
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KR102294237B1 (ko) * | 2017-03-09 | 2021-08-26 | 가부시키가이샤 무라타 세이사쿠쇼 | 탄성파 장치, 탄성파 장치 패키지, 고주파 프론트 엔드 회로 및 통신 장치 |
JP2018195936A (ja) * | 2017-05-16 | 2018-12-06 | 株式会社村田製作所 | 弾性波装置、高周波フロントエンド回路及び通信装置 |
WO2018235605A1 (ja) * | 2017-06-23 | 2018-12-27 | 株式会社村田製作所 | 弾性波装置、高周波フロントエンド回路および通信装置 |
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2019
- 2019-03-22 JP JP2019054067A patent/JP7078000B2/ja active Active
-
2020
- 2020-02-20 KR KR1020200020872A patent/KR102345530B1/ko active IP Right Grant
- 2020-03-19 US US16/823,439 patent/US11770110B2/en active Active
- 2020-03-20 CN CN202010205181.7A patent/CN111726102B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2006013576A (ja) * | 2004-06-22 | 2006-01-12 | Epson Toyocom Corp | Sawデバイスとこれを用いた装置 |
WO2012086639A1 (ja) * | 2010-12-24 | 2012-06-28 | 株式会社村田製作所 | 弾性波装置及びその製造方法 |
JP2012169760A (ja) * | 2011-02-10 | 2012-09-06 | Murata Mfg Co Ltd | 弾性表面波装置 |
WO2013047433A1 (ja) * | 2011-09-30 | 2013-04-04 | 株式会社村田製作所 | 弾性波装置 |
JP2014175885A (ja) * | 2013-03-11 | 2014-09-22 | Panasonic Corp | 弾性波素子とこれを用いた電子機器 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023003006A1 (ja) * | 2021-07-21 | 2023-01-26 | 株式会社村田製作所 | 弾性波装置 |
Also Published As
Publication number | Publication date |
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US20200304094A1 (en) | 2020-09-24 |
CN111726102B (zh) | 2023-12-05 |
JP7078000B2 (ja) | 2022-05-31 |
KR102345530B1 (ko) | 2021-12-30 |
KR20200112663A (ko) | 2020-10-05 |
US11770110B2 (en) | 2023-09-26 |
CN111726102A (zh) | 2020-09-29 |
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