WO1998048464A1 - Element piezo-electrique a couche mince - Google Patents
Element piezo-electrique a couche mince Download PDFInfo
- Publication number
- WO1998048464A1 WO1998048464A1 PCT/JP1997/001442 JP9701442W WO9848464A1 WO 1998048464 A1 WO1998048464 A1 WO 1998048464A1 JP 9701442 W JP9701442 W JP 9701442W WO 9848464 A1 WO9848464 A1 WO 9848464A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- thin film
- piezoelectric element
- film piezoelectric
- wafer
- electrode
- Prior art date
Links
- 239000010409 thin film Substances 0.000 title claims abstract description 385
- 238000000034 method Methods 0.000 title claims description 27
- 238000004519 manufacturing process Methods 0.000 title claims description 25
- 239000003990 capacitor Substances 0.000 claims abstract description 47
- 239000000758 substrate Substances 0.000 claims description 59
- 239000004065 semiconductor Substances 0.000 claims description 45
- 238000000605 extraction Methods 0.000 claims description 40
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 27
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 claims description 17
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 14
- 229910052710 silicon Inorganic materials 0.000 claims description 14
- 239000010703 silicon Substances 0.000 claims description 14
- NKZSPGSOXYXWQA-UHFFFAOYSA-N dioxido(oxo)titanium;lead(2+) Chemical compound [Pb+2].[O-][Ti]([O-])=O NKZSPGSOXYXWQA-UHFFFAOYSA-N 0.000 claims description 13
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 10
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims description 10
- 229910052697 platinum Inorganic materials 0.000 claims description 10
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims description 9
- 239000004020 conductor Substances 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 5
- 235000012431 wafers Nutrition 0.000 description 150
- 238000010586 diagram Methods 0.000 description 42
- 230000008859 change Effects 0.000 description 26
- 239000010408 film Substances 0.000 description 22
- 239000000463 material Substances 0.000 description 21
- 230000008878 coupling Effects 0.000 description 19
- 238000010168 coupling process Methods 0.000 description 19
- 238000005859 coupling reaction Methods 0.000 description 19
- 238000010897 surface acoustic wave method Methods 0.000 description 16
- 238000009826 distribution Methods 0.000 description 12
- 239000011521 glass Substances 0.000 description 12
- 238000005530 etching Methods 0.000 description 10
- 230000001965 increasing effect Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 230000001902 propagating effect Effects 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 230000005684 electric field Effects 0.000 description 6
- 238000004544 sputter deposition Methods 0.000 description 6
- 239000000919 ceramic Substances 0.000 description 5
- 239000010931 gold Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000003071 parasitic effect Effects 0.000 description 3
- 238000007740 vapor deposition Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000000427 thin-film deposition Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- 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
- H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
-
- 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
- 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
- H03H3/04—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 for obtaining desired frequency or temperature coefficient
-
- 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
- H03H9/05—Holders; Supports
- H03H9/0538—Constructional combinations of supports or holders with electromechanical or other electronic elements
- H03H9/0542—Constructional combinations of supports or holders with electromechanical or other electronic elements consisting of a lateral arrangement
-
- 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
- H03H9/15—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
- H03H9/174—Membranes
-
- 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
- H03H9/176—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator consisting of ceramic material
-
- 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
- H03H9/562—Monolithic crystal filters comprising a ceramic piezoelectric layer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/42—Piezoelectric device making
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP1997/001442 WO1998048464A1 (fr) | 1997-04-24 | 1997-04-24 | Element piezo-electrique a couche mince |
JP54540398A JP3839492B2 (ja) | 1997-04-24 | 1997-04-24 | 薄膜圧電素子 |
EP97919687A EP0952618A4 (en) | 1997-04-24 | 1997-04-24 | PIEZOELECTRIC THIN-LAYER ARRANGEMENT, METHOD FOR PRODUCING THE SAME, AND CIRCUIT ELEMENT |
US09/202,070 US6963155B1 (en) | 1997-04-24 | 1997-04-24 | Film acoustic wave device, manufacturing method and circuit device |
KR1020017003991A KR20010073196A (ko) | 1997-04-24 | 1997-04-24 | 박막 압전 소자 및 박막 압전 소자의 제조 방법 및 회로소자 |
US09/778,872 US7196452B2 (en) | 1997-04-24 | 2001-02-08 | Film acoustic wave device, manufacturing method and circuit device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP1997/001442 WO1998048464A1 (fr) | 1997-04-24 | 1997-04-24 | Element piezo-electrique a couche mince |
Related Child Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09202070 A-371-Of-International | 1997-04-24 | ||
US09/202,070 A-371-Of-International US6963155B1 (en) | 1997-04-24 | 1997-04-24 | Film acoustic wave device, manufacturing method and circuit device |
US09/778,872 Division US7196452B2 (en) | 1997-04-24 | 2001-02-08 | Film acoustic wave device, manufacturing method and circuit device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998048464A1 true WO1998048464A1 (fr) | 1998-10-29 |
Family
ID=14180459
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1997/001442 WO1998048464A1 (fr) | 1997-04-24 | 1997-04-24 | Element piezo-electrique a couche mince |
Country Status (5)
Country | Link |
---|---|
US (2) | US6963155B1 (ja) |
EP (1) | EP0952618A4 (ja) |
JP (1) | JP3839492B2 (ja) |
KR (1) | KR20010073196A (ja) |
WO (1) | WO1998048464A1 (ja) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001177365A (ja) * | 1999-11-29 | 2001-06-29 | Nokia Mobile Phones Ltd | 平衡フィルターの中心周波数の調整方法及び複数の平衡フィルター |
JP2003023337A (ja) * | 2001-07-06 | 2003-01-24 | Murata Mfg Co Ltd | 圧電共振子およびフィルタ |
JP2003536341A (ja) * | 2000-06-20 | 2003-12-02 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | バルク音響波装置 |
JP2006156987A (ja) * | 2004-11-01 | 2006-06-15 | Brother Ind Ltd | 圧電アクチュエータ、圧電アクチュエータの製造方法、液体移送装置及び液体移送装置の製造方法 |
WO2006132451A1 (en) * | 2005-06-09 | 2006-12-14 | Samhwa Yang Heng Co., Ltd. | A method for analyzing frequency characteristics of piezoelectric material |
WO2007013702A1 (en) * | 2005-06-16 | 2007-02-01 | Samhwa Yang Heng Co., Ltd. | A method for calculating frequency characteristics of piezoelectric material non-linearly according to temperature rising |
JP2007181147A (ja) * | 2005-12-28 | 2007-07-12 | Kyocera Corp | 薄膜バルク音響波共振子、それを備えるフィルタおよび通信装置ならびに薄膜バルク音響波共振子の製造方法 |
JP2007194390A (ja) * | 2006-01-19 | 2007-08-02 | Eudyna Devices Inc | 半導体発光装置の製造方法 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6462460B1 (en) * | 2001-04-27 | 2002-10-08 | Nokia Corporation | Method and system for wafer-level tuning of bulk acoustic wave resonators and filters |
WO2003098801A1 (en) * | 2002-05-20 | 2003-11-27 | Philips Intellectual Property & Standards Gmbh | Bulk wave resonator and bulk wave filter |
US7466067B2 (en) * | 2004-11-01 | 2008-12-16 | Brother Kogyo Kabushiki Kaisha | Piezoelectric actuator, method for producing piezoelectric actuator, liquid transporting apparatus, and method for producing liquid transporting apparatus |
US7294851B2 (en) | 2004-11-03 | 2007-11-13 | Infineon Technologies Ag | Dense seed layer and method of formation |
DE602006009384D1 (de) * | 2005-04-13 | 2009-11-05 | Murata Manufacturing Co | Piezoelektrisches dünnschichtfilter |
JP4877966B2 (ja) * | 2006-03-08 | 2012-02-15 | 日本碍子株式会社 | 圧電薄膜デバイス |
WO2011142845A2 (en) * | 2010-01-20 | 2011-11-17 | Arizona Board Of Regents, A Body Corporate Of The State Of Arizona Acting For And On Behalf Of Arizona State University | Film bulk acoustic wave resonator-based high energy radiation detectors and methods using the same |
US8479363B2 (en) * | 2010-05-11 | 2013-07-09 | Hao Zhang | Methods for wafer level trimming of acoustically coupled resonator filter |
FI20106059A (fi) * | 2010-10-14 | 2012-04-15 | Valtion Teknillinen | Toimintataajuuden vaihto LBAW-suodattimessa |
US8776335B2 (en) * | 2010-11-17 | 2014-07-15 | General Electric Company | Methods of fabricating ultrasonic transducer assemblies |
FR2973608A1 (fr) * | 2011-03-31 | 2012-10-05 | St Microelectronics Sa | Procede d'ajustement de la frequence de resonance d'un element vibrant micro-usine |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6278904A (ja) * | 1985-10-02 | 1987-04-11 | Toshiba Corp | 圧電装置 |
JPS62122405A (ja) * | 1985-11-22 | 1987-06-03 | Sony Corp | 表面波素子の製造方法 |
JPH01103012A (ja) * | 1987-10-16 | 1989-04-20 | Hitachi Ltd | 表面弾性波素子およびその製造方法 |
JPH01231411A (ja) * | 1988-03-11 | 1989-09-14 | Toshiba Corp | 弾性表面波共振子フィルタの製造方法 |
JPH06204776A (ja) * | 1992-12-28 | 1994-07-22 | Oki Electric Ind Co Ltd | 圧電薄膜振動子の製造方法 |
JPH08274573A (ja) * | 1995-03-29 | 1996-10-18 | Olympus Optical Co Ltd | マイクロ圧電振動子、その製法及び圧電トランスデューサ |
JPH0992895A (ja) * | 1995-07-19 | 1997-04-04 | Matsushita Electric Ind Co Ltd | 圧電素子とその製造方法 |
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US2799789A (en) * | 1949-04-06 | 1957-07-16 | John M Wolfskill | Piezoelectric crystal apparatus and method of making the same |
US3401275A (en) * | 1966-04-14 | 1968-09-10 | Clevite Corp | Composite resonator |
US3633134A (en) * | 1969-10-10 | 1972-01-04 | Motorola Inc | Crystal band pass filter circuit |
JPS56149811A (en) | 1980-04-23 | 1981-11-19 | Hitachi Ltd | Elastic surface wave device and its preparation |
US4320365A (en) | 1980-11-03 | 1982-03-16 | United Technologies Corporation | Fundamental, longitudinal, thickness mode bulk wave resonator |
DE3379566D1 (en) * | 1982-04-20 | 1989-05-11 | Fujitsu Ltd | Piezoelectric resonator chip and a method for adjusting its resonant frequency |
US4435441A (en) | 1982-12-30 | 1984-03-06 | The United States Of America As Represented By The Secretary Of The Army | Method of frequency trimming surface acoustic wave devices |
JPS60189307A (ja) * | 1984-03-09 | 1985-09-26 | Toshiba Corp | 圧電薄膜共振器およびその製造方法 |
JPS61269410A (ja) | 1985-05-23 | 1986-11-28 | Toshiba Corp | 薄膜弾性表面波装置 |
JPS6318708A (ja) | 1986-07-09 | 1988-01-26 | Fujitsu Ltd | 弾性表面波フイルタの周波数調整方法 |
JPH02189011A (ja) | 1989-01-18 | 1990-07-25 | Fujitsu Ltd | 弾性表面波デバイスの製造方法 |
JPH0388406A (ja) | 1989-04-11 | 1991-04-12 | Sanyo Electric Co Ltd | 弾性表面波素子 |
JP3107381B2 (ja) | 1989-05-26 | 2000-11-06 | 株式会社日立製作所 | 弾性表面波デバイス |
US5194836A (en) * | 1990-03-26 | 1993-03-16 | Westinghouse Electric Corp. | Thin film, microwave frequency manifolded filter bank |
US5160870A (en) * | 1990-06-25 | 1992-11-03 | Carson Paul L | Ultrasonic image sensing array and method |
US5075641A (en) * | 1990-12-04 | 1991-12-24 | Iowa State University Research Foundation, Inc. | High frequency oscillator comprising cointegrated thin film resonator and active device |
US5185589A (en) * | 1991-05-17 | 1993-02-09 | Westinghouse Electric Corp. | Microwave film bulk acoustic resonator and manifolded filter bank |
JPH05259804A (ja) * | 1992-03-13 | 1993-10-08 | Toyo Commun Equip Co Ltd | 超薄板多段縦続接続多重モ−ドフィルタ |
JPH06252691A (ja) * | 1993-02-27 | 1994-09-09 | Nippon Dempa Kogyo Co Ltd | 水晶振動子 |
US5759753A (en) | 1995-07-19 | 1998-06-02 | Matsushita Electric Industrial Co., Ltd. | Piezoelectric device and method of manufacturing the same |
US5692279A (en) * | 1995-08-17 | 1997-12-02 | Motorola | Method of making a monolithic thin film resonator lattice filter |
US5971026A (en) | 1997-12-09 | 1999-10-26 | Honeywell Inc. | Internal geometry shape design for venturi tube-like gas-air mixing valve |
-
1997
- 1997-04-24 JP JP54540398A patent/JP3839492B2/ja not_active Expired - Fee Related
- 1997-04-24 EP EP97919687A patent/EP0952618A4/en not_active Withdrawn
- 1997-04-24 WO PCT/JP1997/001442 patent/WO1998048464A1/ja not_active Application Discontinuation
- 1997-04-24 US US09/202,070 patent/US6963155B1/en not_active Expired - Fee Related
- 1997-04-24 KR KR1020017003991A patent/KR20010073196A/ko not_active Application Discontinuation
-
2001
- 2001-02-08 US US09/778,872 patent/US7196452B2/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6278904A (ja) * | 1985-10-02 | 1987-04-11 | Toshiba Corp | 圧電装置 |
JPS62122405A (ja) * | 1985-11-22 | 1987-06-03 | Sony Corp | 表面波素子の製造方法 |
JPH01103012A (ja) * | 1987-10-16 | 1989-04-20 | Hitachi Ltd | 表面弾性波素子およびその製造方法 |
JPH01231411A (ja) * | 1988-03-11 | 1989-09-14 | Toshiba Corp | 弾性表面波共振子フィルタの製造方法 |
JPH06204776A (ja) * | 1992-12-28 | 1994-07-22 | Oki Electric Ind Co Ltd | 圧電薄膜振動子の製造方法 |
JPH08274573A (ja) * | 1995-03-29 | 1996-10-18 | Olympus Optical Co Ltd | マイクロ圧電振動子、その製法及び圧電トランスデューサ |
JPH0992895A (ja) * | 1995-07-19 | 1997-04-04 | Matsushita Electric Ind Co Ltd | 圧電素子とその製造方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP0952618A4 * |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001177365A (ja) * | 1999-11-29 | 2001-06-29 | Nokia Mobile Phones Ltd | 平衡フィルターの中心周波数の調整方法及び複数の平衡フィルター |
JP2003536341A (ja) * | 2000-06-20 | 2003-12-02 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | バルク音響波装置 |
JP2003023337A (ja) * | 2001-07-06 | 2003-01-24 | Murata Mfg Co Ltd | 圧電共振子およびフィルタ |
JP2006156987A (ja) * | 2004-11-01 | 2006-06-15 | Brother Ind Ltd | 圧電アクチュエータ、圧電アクチュエータの製造方法、液体移送装置及び液体移送装置の製造方法 |
WO2006132451A1 (en) * | 2005-06-09 | 2006-12-14 | Samhwa Yang Heng Co., Ltd. | A method for analyzing frequency characteristics of piezoelectric material |
WO2007013702A1 (en) * | 2005-06-16 | 2007-02-01 | Samhwa Yang Heng Co., Ltd. | A method for calculating frequency characteristics of piezoelectric material non-linearly according to temperature rising |
JP2007181147A (ja) * | 2005-12-28 | 2007-07-12 | Kyocera Corp | 薄膜バルク音響波共振子、それを備えるフィルタおよび通信装置ならびに薄膜バルク音響波共振子の製造方法 |
JP2007194390A (ja) * | 2006-01-19 | 2007-08-02 | Eudyna Devices Inc | 半導体発光装置の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP0952618A1 (en) | 1999-10-27 |
KR20010073196A (ko) | 2001-07-31 |
EP0952618A4 (en) | 2002-01-30 |
JP3839492B2 (ja) | 2006-11-01 |
US20010038255A1 (en) | 2001-11-08 |
US6963155B1 (en) | 2005-11-08 |
US7196452B2 (en) | 2007-03-27 |
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