EA200600550A1 - Однофазный однонаправленный преобразователь поверхностных акустических волн и усовершенствованные отражатели - Google Patents
Однофазный однонаправленный преобразователь поверхностных акустических волн и усовершенствованные отражателиInfo
- Publication number
- EA200600550A1 EA200600550A1 EA200600550A EA200600550A EA200600550A1 EA 200600550 A1 EA200600550 A1 EA 200600550A1 EA 200600550 A EA200600550 A EA 200600550A EA 200600550 A EA200600550 A EA 200600550A EA 200600550 A1 EA200600550 A1 EA 200600550A1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- surface acoustic
- acoustic wave
- wave converter
- directional surface
- electrodes
- Prior art date
Links
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
- H03H9/25—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
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02637—Details concerning reflective or coupling arrays
- H03H9/02685—Grating lines having particular arrangements
- H03H9/02771—Reflector banks
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
-
- 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
- H03H9/02637—Details concerning reflective or coupling arrays
- H03H9/02685—Grating lines having particular arrangements
-
- 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
- H03H9/14502—Surface acoustic wave [SAW] transducers for a particular purpose
- H03H9/14505—Unidirectional SAW transducers
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
Однонаправленный преобразователь для устройства на поверхностных акустических волнах (ПАВ). В одном варианте осуществления устройство включает в себя (1) определенный участок на пьезоэлектрической подложке, в пределах которого находится разомкнутый отражатель, перпендикулярный направлению распространения ПАВ; и пару электродов преобразователя с низкой отражательной способностью, расположенных в пределах этого определенного участка и подключенных к противоположным шинам, причем электроды перпендикулярны направлению распространения ПАВ и размещены так, что центр возбуждения пары электродов находится от отражателя на расстоянии, приблизительно равном семи восьмым длины релеевской волны на центральной частоте ПАВ.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US50969303P | 2003-10-08 | 2003-10-08 | |
PCT/US2004/033353 WO2005036898A2 (en) | 2003-10-08 | 2004-10-08 | A single phase unidirectional surface acoustic wave transducer and improved reflectors |
Publications (2)
Publication Number | Publication Date |
---|---|
EA200600550A1 true EA200600550A1 (ru) | 2006-10-27 |
EA010995B1 EA010995B1 (ru) | 2008-12-30 |
Family
ID=34435013
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EA200600550A EA010995B1 (ru) | 2003-10-08 | 2004-10-08 | Однофазный однонаправленный преобразователь поверхностных акустических волн и усовершенствованные отражатели |
Country Status (12)
Country | Link |
---|---|
US (2) | US7173360B2 (ru) |
EP (1) | EP1678823A2 (ru) |
JP (1) | JP2007508752A (ru) |
KR (1) | KR20060121906A (ru) |
CN (2) | CN101562434A (ru) |
AU (1) | AU2004306775A1 (ru) |
BR (1) | BRPI0415227A (ru) |
CA (1) | CA2542328A1 (ru) |
EA (1) | EA010995B1 (ru) |
NZ (1) | NZ546461A (ru) |
WO (1) | WO2005036898A2 (ru) |
ZA (1) | ZA200602915B (ru) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8436509B1 (en) | 2008-07-08 | 2013-05-07 | Saudia Corporation | High-frequency shear-horizontal surface acoustic wave sensor |
DE102009017935A1 (de) * | 2009-04-17 | 2010-10-21 | Man Turbo Ag | Turbomaschinenkomponente und damit ausgerüstete Turbomaschine |
DE102011006963B4 (de) | 2011-04-07 | 2017-08-24 | Leibniz-Institut Für Festkörper- Und Werkstoffforschung Dresden E.V. | Mehrspur-Unidirektionalwandler |
CN102571028B (zh) * | 2012-03-06 | 2014-10-15 | 天津大学 | 一种声表面波反射栅 |
JP2014087039A (ja) * | 2012-10-23 | 2014-05-12 | Kazuhiko Yamanouchi | 一方向性弾性表面波変換器とこれを用いた電子装置 |
US9726646B1 (en) * | 2013-05-29 | 2017-08-08 | National Technology & Engineering Solutions Of Sandia, Llc | Resonant surface acoustic wave chemical detector |
DE102014118000A1 (de) * | 2014-12-05 | 2016-06-09 | Epcos Ag | Anordnung mit einem DMS Filter und steiler rechter Flanke |
US10261078B2 (en) | 2015-08-17 | 2019-04-16 | National Technology & Engineering Solutions Of Sandia, Llc | Shear horizontal surface acoustic wave (SH-SAW) resonators and arrays thereof |
US10009002B1 (en) | 2015-09-04 | 2018-06-26 | National Technology & Engineering Solutions Of Sandia, Llc | Methods for suppressing spurious modes in microresonators |
KR102205186B1 (ko) * | 2017-12-27 | 2021-01-20 | 가부시키가이샤 무라타 세이사쿠쇼 | 탄성파 필터 |
US11405014B1 (en) | 2019-06-27 | 2022-08-02 | National Technology & Engineering Solutions Of Sandia, Llc | Solid-state tuning behavior in acoustic resonators |
US20210119602A1 (en) * | 2019-10-18 | 2021-04-22 | Board Of Trustees Of The University Of Illinois | Low-loss and wide-band acoustic delay lines using aluminum nitride thin films |
CN112968687A (zh) * | 2021-02-18 | 2021-06-15 | 浙江大学 | 一种高品质因数声表面波谐振器 |
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US3908137A (en) * | 1973-12-26 | 1975-09-23 | Magnavox Co | Apparatus and method for triple transit signal cancellation in an acoustical surface wave device |
US4096477A (en) * | 1975-10-06 | 1978-06-20 | Northwestern University | Identification system using coded passive transponders |
US4059831A (en) * | 1975-10-06 | 1977-11-22 | Northwestern University | Passive transponders using acoustic surface wave devices |
DE3267639D1 (en) * | 1981-02-04 | 1986-01-09 | Matsushita Electric Ind Co Ltd | Surface acoustic wave device |
US4393358A (en) * | 1981-11-18 | 1983-07-12 | Zenith Radio Corporation | Surface wave acoustic device with compensation for diffraction effects |
US4499393A (en) * | 1984-02-15 | 1985-02-12 | Trw Inc. | Surface acoustic wave spectrum analyzer |
AU565454B2 (en) * | 1984-10-09 | 1987-09-17 | X-Cyte Inc. | Saw transponder |
US4620167A (en) * | 1985-05-09 | 1986-10-28 | Trw Inc. | Surface acoustic wave systems and methods |
JPH02272817A (ja) * | 1989-04-14 | 1990-11-07 | Hitachi Ltd | 弾性表面波装置、その製造方法、及びそれを用いた通信装置 |
JPH0373607A (ja) * | 1989-08-13 | 1991-03-28 | Kazuhiko Yamanouchi | 弾性表面波変換器及び共振器 |
JPH03119815A (ja) * | 1989-10-01 | 1991-05-22 | Kazuhiko Yamanouchi | 浮き電極をもつ内部反射型一方向性弾性表面波変換器 |
JP2779675B2 (ja) * | 1989-12-31 | 1998-07-23 | 和彦 山之内 | 弾性表面波デバイス及び弾性表面波フィルタ |
JPH07231238A (ja) * | 1994-02-17 | 1995-08-29 | Kazuhiko Yamanouchi | 弾性表面波変換器 |
DE4405647C2 (de) * | 1994-02-22 | 1999-04-15 | Siemens Ag | Mit akustischen Oberflächenwellen arbeitende Identifizierungsmarke |
JP3014930B2 (ja) * | 1994-10-25 | 2000-02-28 | 正男 竹内 | 弾性表面波デバイス |
EP0704967B1 (en) * | 1994-09-28 | 2001-08-08 | Masao Takeuchi | Surface acoustic wave device |
EP0827105A3 (de) * | 1996-08-29 | 2000-10-25 | Siemens Aktiengesellschaft | Mit akustischen Oberflächenwellen arbeitende Identifizierungs- oder Sensoranordnung - OFW-Anordnung |
JPH10256870A (ja) * | 1997-03-14 | 1998-09-25 | Ngk Insulators Ltd | 弾性表面波デバイス |
JPH1197967A (ja) * | 1997-09-23 | 1999-04-09 | Kazuhiko Yamanouchi | 弾性表面波一方向性変換器と電子装置 |
JPH11145760A (ja) * | 1997-11-12 | 1999-05-28 | Nec Corp | Sawデバイス |
DE19860058C1 (de) * | 1998-12-23 | 2000-03-30 | Siemens Ag | Funkabfragbares Oberflächenwellen-Bauelement mit optimalem Codeumfang |
JP4058859B2 (ja) * | 1999-10-04 | 2008-03-12 | 三菱マテリアル株式会社 | 表面弾性波素子 |
WO2001035528A1 (fr) * | 1999-11-11 | 2001-05-17 | Mitsubishi Materials Corporation | Dispositif a ondes acoustiques de surface |
US6462698B2 (en) * | 2000-06-02 | 2002-10-08 | Research In Motion Limited | Wireless communication system using surface acoustic wave (SAW) single-phase unidirectional transducer (SPUDT) techniques |
US6958696B2 (en) * | 2002-10-09 | 2005-10-25 | Rf Saw Components, Inc. | Transfer function system for determining an identifier on a surface acoustic wave identification tag and method of operating the same |
US6759789B2 (en) * | 2002-10-18 | 2004-07-06 | Rf Saw Components, Inc. | Surface acoustic wave identification tag having an interdigital transducer adapted for code discrimination and methods of operation and manufacture thereof |
US7100451B2 (en) * | 2003-08-29 | 2006-09-05 | Sawtek, Inc. | Surface acoustic wave sensing system and method for measuring pressure and temperature |
US6967428B2 (en) * | 2003-12-09 | 2005-11-22 | P. J. Edmonson Ltd. | Selectable reflector arrays for SAW sensors and identification devices |
JP4457914B2 (ja) * | 2004-02-26 | 2010-04-28 | エプソントヨコム株式会社 | 一方向性弾性表面波変換器及びそれを用いた弾性表面波デバイス |
JP2005268962A (ja) * | 2004-03-16 | 2005-09-29 | Toyo Commun Equip Co Ltd | 一方向性弾性表面波変換器及びそれを用いた弾性表面波デバイス |
-
2004
- 2004-10-08 CN CNA2009100066296A patent/CN101562434A/zh active Pending
- 2004-10-08 AU AU2004306775A patent/AU2004306775A1/en not_active Abandoned
- 2004-10-08 CA CA002542328A patent/CA2542328A1/en not_active Abandoned
- 2004-10-08 US US10/961,758 patent/US7173360B2/en not_active Expired - Fee Related
- 2004-10-08 KR KR1020067006743A patent/KR20060121906A/ko not_active Application Discontinuation
- 2004-10-08 EP EP04794645A patent/EP1678823A2/en not_active Withdrawn
- 2004-10-08 WO PCT/US2004/033353 patent/WO2005036898A2/en active Application Filing
- 2004-10-08 NZ NZ546461A patent/NZ546461A/en unknown
- 2004-10-08 JP JP2006534416A patent/JP2007508752A/ja active Pending
- 2004-10-08 BR BRPI0415227-1A patent/BRPI0415227A/pt not_active IP Right Cessation
- 2004-10-08 EA EA200600550A patent/EA010995B1/ru not_active IP Right Cessation
- 2004-10-08 CN CN2004800294315A patent/CN1864327B/zh not_active Expired - Fee Related
-
2006
- 2006-04-10 ZA ZA200602915A patent/ZA200602915B/xx unknown
- 2006-12-18 US US11/640,027 patent/US7535151B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ZA200602915B (en) | 2007-10-31 |
CN1864327B (zh) | 2010-12-01 |
AU2004306775A1 (en) | 2005-04-21 |
US20070096593A1 (en) | 2007-05-03 |
NZ546461A (en) | 2008-06-30 |
CN1864327A (zh) | 2006-11-15 |
CN101562434A (zh) | 2009-10-21 |
BRPI0415227A (pt) | 2006-12-05 |
US7535151B2 (en) | 2009-05-19 |
KR20060121906A (ko) | 2006-11-29 |
EA010995B1 (ru) | 2008-12-30 |
WO2005036898A3 (en) | 2006-01-12 |
JP2007508752A (ja) | 2007-04-05 |
WO2005036898A2 (en) | 2005-04-21 |
EP1678823A2 (en) | 2006-07-12 |
CA2542328A1 (en) | 2005-04-21 |
US20050099090A1 (en) | 2005-05-12 |
US7173360B2 (en) | 2007-02-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): AM AZ BY KZ KG MD TJ TM RU |