CN1149205A - 声驻波(saw)器件及其制造方法 - Google Patents
声驻波(saw)器件及其制造方法 Download PDFInfo
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- CN1149205A CN1149205A CN96111969.1A CN96111969A CN1149205A CN 1149205 A CN1149205 A CN 1149205A CN 96111969 A CN96111969 A CN 96111969A CN 1149205 A CN1149205 A CN 1149205A
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- 239000004411 aluminium Substances 0.000 claims description 88
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- 229910052719 titanium Inorganic materials 0.000 description 28
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- 229910045601 alloy Inorganic materials 0.000 description 7
- 239000000956 alloy Substances 0.000 description 7
- 229910052804 chromium Inorganic materials 0.000 description 7
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- 229910052735 hafnium Inorganic materials 0.000 description 6
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 6
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- 239000010955 niobium Substances 0.000 description 6
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 6
- 229910052726 zirconium Inorganic materials 0.000 description 6
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 5
- 229910052750 molybdenum Inorganic materials 0.000 description 5
- 239000011733 molybdenum Substances 0.000 description 5
- 229910052763 palladium Inorganic materials 0.000 description 5
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- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 5
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- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
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- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 4
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- 229920002120 photoresistant polymer Polymers 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 150000001398 aluminium Chemical class 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000007772 electrode material 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
- 239000010931 gold Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 238000010606 normalization Methods 0.000 description 2
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- WSMQKESQZFQMFW-UHFFFAOYSA-N 5-methyl-pyrazole-3-carboxylic acid Chemical compound CC1=CC(C(O)=O)=NN1 WSMQKESQZFQMFW-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- QYEXBYZXHDUPRC-UHFFFAOYSA-N B#[Ti]#B Chemical compound B#[Ti]#B QYEXBYZXHDUPRC-UHFFFAOYSA-N 0.000 description 1
- 206010016322 Feeling abnormal Diseases 0.000 description 1
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- 238000010348 incorporation Methods 0.000 description 1
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000000992 sputter etching Methods 0.000 description 1
- 230000035922 thirst Effects 0.000 description 1
- RIUWBIIVUYSTCN-UHFFFAOYSA-N trilithium borate Chemical compound [Li+].[Li+].[Li+].[O-]B([O-])[O-] RIUWBIIVUYSTCN-UHFFFAOYSA-N 0.000 description 1
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 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
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6423—Means for obtaining a particular transfer characteristic
- H03H9/6433—Coupled resonator filters
- H03H9/6483—Ladder SAW filters
-
- 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
- H03H3/08—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 resonators or 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
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02818—Means for compensation or elimination of undesirable effects
- H03H9/02897—Means for compensation or elimination of undesirable effects of strain or mechanical damage, e.g. strain due to bending influence
-
- 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
- H03H9/02929—Means for compensation or elimination of undesirable effects of ageing changes of characteristics, e.g. electro-acousto-migration
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
Description
图号 | 电极构成(表面/··/压电体界面) | 各层的膜厚(nm) | 面电阻(Ω/ ) | SAW器件的寿命 | 试验之后的电极面状态 |
图3(a) | 单纯铝膜 | 420 | 1.0 | 1 | 产生突起 |
图3(a) | 合金膜 | 417 | 2.3 | -102 | 产生突起 |
图3(b) | 3层构成膜 | 195/15/200 | 1.1 | - 2×103 | 产生突起和侧面横向突起 |
图2(a) | 5层构成膜 | 120/15/125/15/125 | 1.6 | - 105 | 在表面上局部产生突起 |
图2(b) | 7层构成膜 | 75/15/90/15/90/15/90 | 1.6 | -2×107 | 在表面上局部产生突起 |
图2(c) | 11层构成膜 | 45/15/50/15/50/…/15/50 | 1.9 | 5×107以上 | 无变化 |
图号 | 电极构成(表面/··/压电体界面) | 各层的膜厚(nm) | 面电阻(Ω/□) | SAW器件的寿命 | 试验之后的电极面状态 |
图3(a) | 单纯铝膜 | 420 | 1.0 | 1 | 产生突起 |
图3(a) | Al-1wt%Cu合金膜 | 410 | 1.1 | -103 | 产生突起 |
图3(b) | Al/Cu/Al3层构成膜 | 170/15/200 | 1.1 | -104 | 产生突起和侧面突起 |
图2(a) | Al/Cu/Al/Cu/Al5层构成膜 | 100/15/110/15/110 | 1.3 | -105 | 在部分表面上产生突起 |
图2(b) | Al/Cu/Al/Cu/Al/Cu/Al7层构成膜 | 66/15/75/15/75/15/75 | 1.3 | -5×107 | 在部分表面上产生突起 |
图2(c) | Al/Cu/Al/…/Cu/Al11层构成膜 | 21/15/30/15/30/…/15/30 | 1.7 | 5×107以上 | 无变化 |
图号 | 电极构成(表面/··/压电体界面) | 各层的膜厚(nm) | 面电阻 | SAW器件的寿命 | 试验后的电极面状态 |
图2(b) | Al/Cu/Al/Cu/Al/Cu/Al7层构成膜 | 66/15/75/15/75/15/75 | 1.3 | -5×107 | 部分表面上产生突起 |
图4 | Al/Cu/Al/…/Cu/Al7层构成膜 | 21/15/90/15/90/15/90 | 1.3 | 5×107以上 | 无变化 |
图号 | 电极构成(表面/··/压电体界面) | 各层的膜厚(nm) | 面电阻 | SAW器件的寿命 | 试验后的电极面状态 |
图2(b) | Al/Ti/Al/Ti/Al/Ti/Al7层构成膜 | 75/15/90/15/90/15/90 | 1.6 | -2×107 | 部分表面上产生突起 |
图5 | Al/Ti/Al/…/Ti/Al8层构成膜 | 15/80/15/80/15/80/15/80 | 1.6 | 5×107以上 | 无变化 |
Claims (6)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP224855/95 | 1995-09-01 | ||
JP7224855A JPH0969748A (ja) | 1995-09-01 | 1995-09-01 | Sawデバイスおよびその製造方法 |
JP224855/1995 | 1995-09-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1149205A true CN1149205A (zh) | 1997-05-07 |
CN1157806C CN1157806C (zh) | 2004-07-14 |
Family
ID=16820229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB961119691A Expired - Lifetime CN1157806C (zh) | 1995-09-01 | 1996-08-30 | 声驻波(saw)器件及其制造方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US5844347A (zh) |
EP (2) | EP1315296A1 (zh) |
JP (1) | JPH0969748A (zh) |
KR (1) | KR100405931B1 (zh) |
CN (1) | CN1157806C (zh) |
DE (1) | DE69629080T2 (zh) |
MY (1) | MY116670A (zh) |
SG (1) | SG47173A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101382522B (zh) * | 2008-08-26 | 2011-01-26 | 北京中科飞鸿科技有限公司 | 用于气体检测的声表面波传感器芯片的制备方法 |
Families Citing this family (51)
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GB9622654D0 (en) * | 1996-10-31 | 1997-01-08 | Flowers James E | Filters |
WO1999005788A1 (fr) * | 1997-07-28 | 1999-02-04 | Kabushiki Kaisha Toshiba | Dispositif de traitement d'ondes acoustiques de surface et son procede de fabrication |
JPH1174751A (ja) * | 1997-08-28 | 1999-03-16 | Murata Mfg Co Ltd | 弾性表面波装置 |
US6297580B1 (en) | 1998-04-21 | 2001-10-02 | Matsushita Electric Industrial Co., Ltd. | Surface acoustic wave device and production method thereof and mobile communication equipment using it |
JP3266109B2 (ja) * | 1998-08-05 | 2002-03-18 | 株式会社村田製作所 | 電子デバイスの作製方法 |
JP3317273B2 (ja) * | 1998-08-25 | 2002-08-26 | 株式会社村田製作所 | 表面波共振子、フィルタ、共用器、通信機装置 |
JP3351402B2 (ja) * | 1999-04-28 | 2002-11-25 | 株式会社村田製作所 | 電子素子、弾性表面波素子、それらの実装方法、電子部品または弾性表面波装置の製造方法、および、弾性表面波装置 |
JP4352572B2 (ja) * | 2000-04-03 | 2009-10-28 | パナソニック株式会社 | アンテナ共用器 |
US6909341B2 (en) * | 2000-10-23 | 2005-06-21 | Matsushita Electric Industrial Co., Ltd. | Surface acoustic wave filter utilizing a layer for preventing grain boundary diffusion |
JP3521864B2 (ja) | 2000-10-26 | 2004-04-26 | 株式会社村田製作所 | 弾性表面波素子 |
JP3445971B2 (ja) * | 2000-12-14 | 2003-09-16 | 富士通株式会社 | 弾性表面波素子 |
US6424238B1 (en) * | 2001-01-08 | 2002-07-23 | Motorola, Inc. | Acoustic wave filter and method of forming the same |
DE10206480B4 (de) * | 2001-02-16 | 2005-02-10 | Leibniz-Institut für Festkörper- und Werkstoffforschung e.V. | Akustisches Oberflächenwellenbauelement |
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JP3979279B2 (ja) * | 2001-12-28 | 2007-09-19 | 株式会社村田製作所 | 弾性表面波装置 |
JP3780947B2 (ja) * | 2002-01-18 | 2006-05-31 | 株式会社村田製作所 | 弾性表面波装置 |
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US7888842B2 (en) | 2004-02-13 | 2011-02-15 | University Of Maine System Board Of Trustees | Ultra-thin film electrodes and protective layer for high temperature device applications |
JP2005269606A (ja) * | 2004-02-18 | 2005-09-29 | Sanyo Electric Co Ltd | 弾性表面波素子及びこれを具えた弾性表面波フィルター |
DE102004058016B4 (de) * | 2004-12-01 | 2014-10-09 | Epcos Ag | Mit akustischen Oberflächenwellen arbeitendes Bauelement mit hoher Bandbreite |
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US4445066A (en) * | 1982-06-30 | 1984-04-24 | Murata Manufacturing Co., Ltd. | Electrode structure for a zinc oxide thin film transducer |
US4477952A (en) * | 1983-04-04 | 1984-10-23 | General Electric Company | Piezoelectric crystal electrodes and method of manufacture |
CA1281810C (en) * | 1984-02-20 | 1991-03-19 | Stephen P. Rogerson | Mounting of saw devices |
JPS62272610A (ja) * | 1986-05-21 | 1987-11-26 | Hitachi Ltd | 弾性表面波素子 |
JP3039971B2 (ja) * | 1989-09-19 | 2000-05-08 | 株式会社日立製作所 | 接合型圧電装置及び製造方法並びに接合型圧電素子 |
JPH04288718A (ja) * | 1991-02-22 | 1992-10-13 | Seiko Epson Corp | 弾性表面波素子の電極構造 |
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-
1995
- 1995-09-01 JP JP7224855A patent/JPH0969748A/ja active Pending
-
1996
- 1996-08-19 KR KR1019960034234A patent/KR100405931B1/ko not_active IP Right Cessation
- 1996-08-24 MY MYPI96003517A patent/MY116670A/en unknown
- 1996-08-26 SG SG1996010543A patent/SG47173A1/en unknown
- 1996-08-29 US US08/704,209 patent/US5844347A/en not_active Expired - Lifetime
- 1996-08-30 CN CNB961119691A patent/CN1157806C/zh not_active Expired - Lifetime
- 1996-08-30 EP EP03002066A patent/EP1315296A1/en not_active Ceased
- 1996-08-30 EP EP96113958A patent/EP0762641B1/en not_active Expired - Lifetime
- 1996-08-30 DE DE69629080T patent/DE69629080T2/de not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101382522B (zh) * | 2008-08-26 | 2011-01-26 | 北京中科飞鸿科技有限公司 | 用于气体检测的声表面波传感器芯片的制备方法 |
Also Published As
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DE69629080T2 (de) | 2004-02-12 |
US5844347A (en) | 1998-12-01 |
CN1157806C (zh) | 2004-07-14 |
JPH0969748A (ja) | 1997-03-11 |
DE69629080D1 (de) | 2003-08-21 |
SG47173A1 (en) | 1998-03-20 |
MY116670A (en) | 2004-03-31 |
EP0762641A1 (en) | 1997-03-12 |
EP0762641B1 (en) | 2003-07-16 |
EP1315296A1 (en) | 2003-05-28 |
KR100405931B1 (ko) | 2004-04-14 |
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