DE69735746D1 - Akustische Oberflächenwellenanordnung - Google Patents
Akustische OberflächenwellenanordnungInfo
- Publication number
- DE69735746D1 DE69735746D1 DE69735746T DE69735746T DE69735746D1 DE 69735746 D1 DE69735746 D1 DE 69735746D1 DE 69735746 T DE69735746 T DE 69735746T DE 69735746 T DE69735746 T DE 69735746T DE 69735746 D1 DE69735746 D1 DE 69735746D1
- Authority
- DE
- Germany
- Prior art keywords
- surface wave
- acoustic surface
- wave arrangement
- arrangement
- acoustic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- 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
- H03H9/46—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
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/0023—Balance-unbalance or balance-balance networks
- H03H9/0028—Balance-unbalance or balance-balance networks using surface acoustic wave devices
- H03H9/0033—Balance-unbalance or balance-balance networks using surface acoustic wave devices having one acoustic track only
- H03H9/0042—Balance-unbalance or balance-balance networks using surface acoustic wave devices having one acoustic track only the balanced terminals being on opposite sides of the track
-
- 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
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6423—Means for obtaining a particular transfer characteristic
- H03H9/6433—Coupled resonator filters
- H03H9/6436—Coupled resonator filters having one acoustic track only
-
- 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
- H03H9/644—Coupled resonator filters having two acoustic tracks
- H03H9/6456—Coupled resonator filters having two acoustic tracks being electrically coupled
- H03H9/6469—Coupled resonator filters having two acoustic tracks being electrically coupled via two connecting electrodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H2250/00—Indexing scheme relating to dual- or multi-band filters
-
- 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
- H03H9/02244—Details of microelectro-mechanical resonators
- H03H9/02259—Driving or detection means
- H03H9/02275—Comb 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
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02818—Means for compensation or elimination of undesirable effects
- H03H9/02921—Measures for preventing electric discharge due to pyroelectricity
-
- 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)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP31827096A JP3224202B2 (ja) | 1996-11-28 | 1996-11-28 | 弾性表面波装置 |
JP31827096 | 1996-11-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69735746D1 true DE69735746D1 (de) | 2006-06-01 |
DE69735746T2 DE69735746T2 (de) | 2006-09-07 |
Family
ID=18097334
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69735746T Expired - Lifetime DE69735746T2 (de) | 1996-11-28 | 1997-09-04 | Akustische Oberflächenwellenanordnung |
Country Status (7)
Country | Link |
---|---|
US (1) | US5874869A (de) |
EP (1) | EP0845858B1 (de) |
JP (1) | JP3224202B2 (de) |
KR (1) | KR100291281B1 (de) |
CN (1) | CN1103511C (de) |
DE (1) | DE69735746T2 (de) |
TW (1) | TW345749B (de) |
Families Citing this family (57)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69636897T2 (de) * | 1995-05-29 | 2007-10-25 | Sanyo Electric Co., Ltd., Moriguchi | Akustischer Oberflächenwellenfilter |
JPH09167936A (ja) | 1995-10-13 | 1997-06-24 | Fujitsu Ltd | 弾性表面波装置 |
JP3239064B2 (ja) * | 1996-05-28 | 2001-12-17 | 富士通株式会社 | 弾性表面波装置 |
DE19638370C2 (de) * | 1996-09-19 | 2001-06-13 | Epcos Ag | Oberflächenwellenfilter für unsymmetrische/symmetrische und symmetrische/symmetrische Betriebsweise |
US6107899A (en) * | 1996-10-21 | 2000-08-22 | Matsushita Electric Industrial Co., Ltd. | Surface acoustic wave filter with grounds not connected in the package or on the piezoelectric substrate |
JPH10276062A (ja) * | 1997-03-31 | 1998-10-13 | Sanyo Electric Co Ltd | 弾性表面波デバイス |
WO2004102797A1 (ja) * | 1997-07-17 | 2004-11-25 | Michiaki Takagi | 2ポートsaw共振子 |
JP3137064B2 (ja) * | 1998-01-16 | 2001-02-19 | 日本電気株式会社 | 弾性表面波フィルタ |
JP3315644B2 (ja) * | 1998-05-14 | 2002-08-19 | 富士通株式会社 | 弾性表面波素子 |
JP2000059176A (ja) * | 1998-08-06 | 2000-02-25 | Toshiba Corp | 弾性表面波素子 |
US6472959B1 (en) * | 1999-03-11 | 2002-10-29 | Nortel Networks Limited | Longitudinally coupled double mode resonator filters using shallow bulk acoustic waves |
JP3403669B2 (ja) * | 1999-06-04 | 2003-05-06 | 富士通株式会社 | アンテナ分波器 |
JP2000349591A (ja) * | 1999-06-08 | 2000-12-15 | Oki Electric Ind Co Ltd | 弾性表面波フィルタを用いた分波器 |
JP3391309B2 (ja) | 1999-09-02 | 2003-03-31 | 株式会社村田製作所 | 表面波装置及び通信機装置 |
US6466107B2 (en) * | 1999-12-14 | 2002-10-15 | Murata Manufacturing Co., Ltd. | Ladder filter comprising stacked piezoelectric resonators |
DE19960299A1 (de) * | 1999-12-14 | 2001-06-21 | Epcos Ag | Duplexer mit verbesserter Sende-/Empfangsbandtrennung |
JP3449352B2 (ja) * | 2000-02-07 | 2003-09-22 | 株式会社村田製作所 | 弾性表面波フィルタ |
US6720842B2 (en) * | 2000-02-14 | 2004-04-13 | Murata Manufacturing Co., Ltd. | Surface acoustic wave filter device having first through third surface acoustic wave filter elements |
JP3478264B2 (ja) * | 2000-03-10 | 2003-12-15 | 株式会社村田製作所 | 弾性表面波装置 |
JP2001267881A (ja) * | 2000-03-17 | 2001-09-28 | Fujitsu Media Device Kk | 弾性表面波デバイス及びこれを用いた通信装置、並びにアンテナデュプレクサ |
US6417746B1 (en) | 2000-04-07 | 2002-07-09 | Conexant Systems, Inc. | Longitudinally-coupled saw filter with enhanced frequency selectivity |
JP3729081B2 (ja) * | 2000-06-27 | 2005-12-21 | 株式会社村田製作所 | 弾性表面波装置 |
CN1248410C (zh) * | 2000-08-31 | 2006-03-29 | 索泰克公司 | 利用压电衬底非对称最优化切割的表面声波器件 |
JP3478260B2 (ja) * | 2000-10-27 | 2003-12-15 | 株式会社村田製作所 | 弾性表面波フィルタおよび通信機装置 |
FR2818051B1 (fr) * | 2000-12-08 | 2003-04-11 | Thomson Csf | Flitres a ondes acoustiques de surface a symetrie optimisee |
JP3534080B2 (ja) * | 2001-03-23 | 2004-06-07 | 株式会社村田製作所 | 弾性表面波フィルタ装置 |
JP3864850B2 (ja) | 2001-08-09 | 2007-01-10 | 株式会社村田製作所 | 弾性表面波フィルタ、通信装置 |
JP2003060484A (ja) * | 2001-08-14 | 2003-02-28 | Murata Mfg Co Ltd | 弾性表面波装置 |
JP3826816B2 (ja) * | 2001-08-29 | 2006-09-27 | 株式会社村田製作所 | 弾性表面波装置 |
US6750737B2 (en) * | 2001-10-02 | 2004-06-15 | Matsushita Electric Industrial Co., Ltd. | High frequency switch and radio communication apparatus with layered body for saw filter mounting |
JP3743341B2 (ja) | 2001-10-17 | 2006-02-08 | 株式会社村田製作所 | 弾性表面波装置 |
JP2003198317A (ja) * | 2001-12-21 | 2003-07-11 | Fujitsu Media Device Kk | 弾性表面波共振子及び弾性表面波フィルタ |
JP3833569B2 (ja) * | 2001-12-21 | 2006-10-11 | 富士通メディアデバイス株式会社 | 分波器及びこれを用いた電子装置 |
JP4052884B2 (ja) | 2002-06-24 | 2008-02-27 | 富士通株式会社 | タッチパネル装置 |
JP3970168B2 (ja) | 2002-11-19 | 2007-09-05 | 富士通株式会社 | タッチパネル装置 |
KR100638780B1 (ko) * | 2003-04-25 | 2006-10-30 | 후지쓰 메디아 데바이스 가부시키가이샤 | 분파기 |
JP2005244669A (ja) * | 2004-02-26 | 2005-09-08 | Fujitsu Media Device Kk | 弾性表面波装置 |
US20050248548A1 (en) | 2004-04-14 | 2005-11-10 | Masahiro Tsumura | Acoustic touch sensor |
JP2007053563A (ja) * | 2005-08-17 | 2007-03-01 | Nippon Dempa Kogyo Co Ltd | 弾性表面波フィルタモジュールおよびこのモジュールの製造方法 |
DE102006003850B4 (de) * | 2006-01-26 | 2015-02-05 | Epcos Ag | Elektroakustisches Bauelement |
DE102006019961B4 (de) * | 2006-04-28 | 2008-01-10 | Epcos Ag | Elektroakustisches Bauelement |
WO2008038459A1 (fr) * | 2006-09-25 | 2008-04-03 | Murata Manufacturing Co., Ltd. | Filtre d'onde acoustique limite |
JP5016467B2 (ja) * | 2007-12-14 | 2012-09-05 | 太陽誘電株式会社 | 弾性波フィルタ |
US8102238B2 (en) * | 2008-05-30 | 2012-01-24 | International Business Machines Corporation | Using an RFID device to enhance security by determining whether a person in a secure area is accompanied by an authorized person |
JP4809448B2 (ja) * | 2009-02-02 | 2011-11-09 | 日本電波工業株式会社 | デュプレクサ |
JP5777975B2 (ja) * | 2011-08-22 | 2015-09-16 | 太陽誘電株式会社 | 通信モジュール |
JP2012143008A (ja) * | 2012-04-26 | 2012-07-26 | Taiyo Yuden Co Ltd | 弾性波フィルタ |
JP6013829B2 (ja) * | 2012-08-17 | 2016-10-25 | 太陽誘電株式会社 | 弾性波フィルタ、デュプレクサ及びモジュール |
CN104330470B (zh) * | 2014-09-30 | 2018-04-10 | 成都柏森松传感技术有限公司 | 基于saw传感器的检测装置 |
KR101641528B1 (ko) * | 2014-11-13 | 2016-07-22 | (주)와이솔 | Saw 필터 |
CN104833410A (zh) * | 2015-05-11 | 2015-08-12 | 天津理工大学 | 一种对压电材料声表面波速度进行测量的方法 |
WO2018070273A1 (ja) | 2016-10-13 | 2018-04-19 | 株式会社村田製作所 | 弾性波フィルタ装置 |
CN106603035A (zh) * | 2016-12-23 | 2017-04-26 | 北京中科飞鸿科技有限公司 | 一种提高声表面波滤波器耐受功率的方法 |
CN108336979B (zh) * | 2018-01-30 | 2020-10-30 | 华中科技大学 | 一种集成式射频信号滤波和放大器件 |
JP7033462B2 (ja) * | 2018-02-19 | 2022-03-10 | NDK SAW devices株式会社 | 弾性表面波デバイス |
US11621691B2 (en) * | 2018-07-16 | 2023-04-04 | Qorvo Us, Inc. | Reflective structures for surface acoustic wave devices |
CN116318036B (zh) * | 2023-05-15 | 2023-09-22 | 成都频岢微电子有限公司 | 声表面波谐振器、声表面波滤波器及双工器 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH071859B2 (ja) * | 1988-03-11 | 1995-01-11 | 国際電気株式会社 | 弾性表面波フィルタ |
JPH0715274A (ja) * | 1991-06-02 | 1995-01-17 | Kazuhiko Yamanouchi | 高安定高結合弾性表面波基板を用いた高周波弾性表 面波フィルタ及び弾性表面波機能素子 |
JPH06164306A (ja) * | 1992-02-12 | 1994-06-10 | Kokusai Electric Co Ltd | 弾性表面波共振子 |
JPH05315886A (ja) * | 1992-05-14 | 1993-11-26 | Matsushita Electric Ind Co Ltd | 弾性表面波フィルタ |
JPH06188673A (ja) * | 1992-12-18 | 1994-07-08 | Fujitsu Ltd | 弾性表面波フィルタ |
JPH06338756A (ja) * | 1993-05-27 | 1994-12-06 | Fujitsu Ltd | 共振子型弾性表面波フィルタ |
JP3225702B2 (ja) * | 1993-08-09 | 2001-11-05 | 株式会社村田製作所 | 弾性表面波共振子フィルタ |
DE4431612C2 (de) * | 1993-09-06 | 1998-07-16 | Sanyo Electric Co | Akustisches Oberflächenwellenfilter |
JP3424971B2 (ja) * | 1994-01-20 | 2003-07-07 | 松下電器産業株式会社 | 弾性表面波フィルタ |
US5486800A (en) * | 1994-09-29 | 1996-01-23 | Motorola, Inc. | Surface acoustic wave device |
DE763889T1 (de) * | 1995-03-15 | 1997-09-04 | Japan Energy Corp., Tokio/Tokyo | Akustisches oberflächenwellenfilter |
JPH08265087A (ja) * | 1995-03-22 | 1996-10-11 | Mitsubishi Electric Corp | 弾性表面波フィルタ |
-
1996
- 1996-11-28 JP JP31827096A patent/JP3224202B2/ja not_active Expired - Lifetime
-
1997
- 1997-09-04 DE DE69735746T patent/DE69735746T2/de not_active Expired - Lifetime
- 1997-09-04 EP EP97306882A patent/EP0845858B1/de not_active Expired - Lifetime
- 1997-09-09 US US08/925,732 patent/US5874869A/en not_active Expired - Lifetime
- 1997-09-12 KR KR1019970047025A patent/KR100291281B1/ko not_active IP Right Cessation
- 1997-09-17 TW TW086113450A patent/TW345749B/zh not_active IP Right Cessation
- 1997-09-26 CN CN97119677A patent/CN1103511C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69735746T2 (de) | 2006-09-07 |
EP0845858B1 (de) | 2006-04-26 |
TW345749B (en) | 1998-11-21 |
US5874869A (en) | 1999-02-23 |
JPH10163803A (ja) | 1998-06-19 |
EP0845858A3 (de) | 2000-01-19 |
JP3224202B2 (ja) | 2001-10-29 |
EP0845858A2 (de) | 1998-06-03 |
CN1103511C (zh) | 2003-03-19 |
KR19980041881A (ko) | 1998-08-17 |
CN1184378A (zh) | 1998-06-10 |
KR100291281B1 (ko) | 2001-06-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: TAIYO YUDEN CO., LTD., TOKIO/TOKYO, JP |
|
8328 | Change in the person/name/address of the agent |
Representative=s name: SEEGER SEEGER LINDNER PARTNERSCHAFT PATENTANWAELTE |