ES8801747A1 - Un dispositivo de onda acustica superficial - Google Patents
Un dispositivo de onda acustica superficialInfo
- Publication number
- ES8801747A1 ES8801747A1 ES556642A ES556642A ES8801747A1 ES 8801747 A1 ES8801747 A1 ES 8801747A1 ES 556642 A ES556642 A ES 556642A ES 556642 A ES556642 A ES 556642A ES 8801747 A1 ES8801747 A1 ES 8801747A1
- Authority
- ES
- Spain
- Prior art keywords
- stress
- acoustic wave
- surface acoustic
- temperature compensated
- wave devices
- 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
Links
- 238000010897 surface acoustic wave method Methods 0.000 title 1
- 239000010453 quartz Substances 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 1
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
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02543—Characteristics of substrate, e.g. cutting angles
- H03H9/02551—Characteristics of substrate, e.g. cutting angles of quartz 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
- H03H9/02818—Means for compensation or elimination of undesirable effects
- H03H9/02834—Means for compensation or elimination of undesirable effects of temperature 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
- H03H9/02897—Means for compensation or elimination of undesirable effects of strain or mechanical damage, e.g. strain due to bending influence
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
DISPOSITIVO DE ONDA ACUSTICA SUPERFICIAL QUE TIENE UNA DIRECCION DE PROPAGACION GAMMA Y UNA ORIENTACION ANGULAR THETA. CONSTA DE UN SUSTRATO (12) HECHO DE UN SENCILLO CRISTAL DE CUARZO, SOBRE UNA DE CUYAS CARAS PLANAS TIENE UN PAR DE TRANSDUCTORES INTERDIGITALES DE ONDA SUPERFICIAL (16, 18) Y DE REFLECTORES DE REJILLA DE ONDA SUPERFICIAL (20, 22); Y DE UN SOPORTE SOBRE EL QUE ESTA MONTADO EL SUSTRATO (12), EL CUAL SE FLEXIONA CUANDO SE LE APLICA UNA PRESION Y PROVOCA UN CAMBIO EN LA FRECUENCIA DE LA ONDA ESTACIONARIA, PUDIENDO SER MEDIDA DICHA PRESION A TRAVES DEL CAMBIO DE FRECUENCIA. DE APLICACION EN SENSORES PARA LA MEDICION DE PARAMETROS TALES COMO LA ACELERACION, TENSIONES Y ESFUERZOS.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/749,289 US4705979A (en) | 1985-06-26 | 1985-06-26 | Stress and temperature compensated surface acoustic wave devices |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8801747A1 true ES8801747A1 (es) | 1988-02-16 |
ES556642A0 ES556642A0 (es) | 1988-02-16 |
Family
ID=25013111
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES556642A Expired ES8801747A1 (es) | 1985-06-26 | 1986-06-25 | Un dispositivo de onda acustica superficial |
Country Status (10)
Country | Link |
---|---|
US (1) | US4705979A (es) |
EP (1) | EP0206944B1 (es) |
CN (1) | CN1007105B (es) |
AU (1) | AU600232B2 (es) |
BR (1) | BR8602614A (es) |
DE (1) | DE3688010D1 (es) |
DK (1) | DK304786A (es) |
ES (1) | ES8801747A1 (es) |
NO (1) | NO862324L (es) |
OA (1) | OA08350A (es) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5343175A (en) * | 1993-09-07 | 1994-08-30 | Motorola, Inc. | Mechanically tuned SAW device and method of tuning same |
US6111340A (en) * | 1999-04-12 | 2000-08-29 | Schlumberger Technology Corporation | Dual-mode thickness-shear quartz pressure sensors for high pressure and high temperature applications |
GB0329019D0 (en) * | 2003-12-15 | 2004-01-14 | Imp College Innovations Ltd | Acoustic wave devices |
CN1934782A (zh) * | 2004-01-15 | 2007-03-21 | 悉尼大学 | 晶体振荡器 |
GB2426336A (en) * | 2005-05-20 | 2006-11-22 | Transense Technologies Plc | SAW based torque and temperature sensor |
CN102435384B (zh) * | 2011-12-02 | 2013-12-11 | 上海交通大学 | 基于纵横应力调整的saw高温压力传感器温度补偿方法 |
CN103336051B (zh) * | 2013-07-10 | 2015-06-10 | 中国电子科技集团公司第二十六研究所 | 气体传感器用声表面波敏感器件 |
CN113424443A (zh) * | 2018-10-16 | 2021-09-21 | 国立大学法人东北大学 | 声波器件 |
CN111650447B (zh) * | 2020-04-24 | 2022-07-19 | 中国人民解放军陆军工程大学 | 一种声表面波固态电场传感器 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3818382A (en) * | 1970-10-20 | 1974-06-18 | Raytheon Co | Surface wave delay line structures having reduced temperature coefficient of delay time |
US3771072A (en) * | 1972-12-15 | 1973-11-06 | Us Air Force | Low velocity zero temperature coefficient acoustic surface wave delay line having group and phase velocity vector coincidence |
US3772618A (en) * | 1972-12-15 | 1973-11-13 | Us Air Force | Low velocity zero temperature coefficient acoustic surface wave delay line |
US3866153A (en) * | 1973-10-11 | 1975-02-11 | Us Air Force | Ultra low diffraction loss substrate members for acoustic surface wave devices |
JPS5532051B2 (es) * | 1974-02-14 | 1980-08-22 | ||
US3995240A (en) * | 1974-12-23 | 1976-11-30 | Hazeltine Corporation | Temperature compensated surface wave device |
US4006435A (en) * | 1974-12-23 | 1977-02-01 | Hazeltine Corporation | Method for fabricating a temperature compensated surface wave device |
US4109173A (en) * | 1977-08-19 | 1978-08-22 | The United States Of America As Represented By The Secretary Of The Air Force | High piezoelectric coupling, low diffraction loss, temperature compensated berlinite substrate members for surface acoustic wave devices |
US4109172A (en) * | 1977-08-19 | 1978-08-22 | The United States Of America As Represented By The Secretary Of The Air Force | High piezoelectric coupling-temperature compensated berlinite substrate member for surface acoustic wave devices |
FR2426979A1 (fr) * | 1978-05-25 | 1979-12-21 | Quartz & Electronique | Lames de quartz pour ondes de surface |
US4224549A (en) * | 1979-05-31 | 1980-09-23 | The United States Of America As Represented By The Secretary Of The Air Force | Lead potassium niobate substrate member for surface acoustic wave applications |
US4224548A (en) * | 1979-05-31 | 1980-09-23 | The United States Of America As Represented By The Secretary Of The Air Force | Singly rotated cut of Y-axis boule lead potassium niobate, Pb2 KNb.sub. O15, for surface acoustic wave applications |
US4323809A (en) * | 1979-12-19 | 1982-04-06 | The United States Of America As Represented By The Secretary Of The Air Force | Surface acoustic wave substrate having orthogonal temperature compensated propagation directions and device applications |
US4419600A (en) * | 1980-11-05 | 1983-12-06 | Schlumberger Technology Corporation | Stress-compensated quartz resonators |
US4489289A (en) * | 1982-04-08 | 1984-12-18 | The United States Of America As Represented By The Secretary Of The Air Force | Saw oscillator with digital compensation for temperature related frequency changes |
US4512198A (en) * | 1982-09-29 | 1985-04-23 | Schlumberger Technology Corporation | Surface acoustic wave sensors |
US4499395A (en) * | 1983-05-26 | 1985-02-12 | The United States Of America As Represented By The Secretary Of The Air Force | Cut angles for quartz crystal resonators |
-
1985
- 1985-06-26 US US06/749,289 patent/US4705979A/en not_active Expired - Fee Related
-
1986
- 1986-06-04 BR BR8602614A patent/BR8602614A/pt unknown
- 1986-06-10 NO NO862324A patent/NO862324L/no unknown
- 1986-06-23 DE DE8686401373T patent/DE3688010D1/de not_active Expired - Lifetime
- 1986-06-23 EP EP86401373A patent/EP0206944B1/en not_active Expired - Lifetime
- 1986-06-25 AU AU59232/86A patent/AU600232B2/en not_active Ceased
- 1986-06-25 ES ES556642A patent/ES8801747A1/es not_active Expired
- 1986-06-25 CN CN86104444A patent/CN1007105B/zh not_active Expired
- 1986-06-26 DK DK304786A patent/DK304786A/da not_active Application Discontinuation
- 1986-06-26 OA OA58885A patent/OA08350A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
NO862324D0 (no) | 1986-06-10 |
BR8602614A (pt) | 1987-02-03 |
EP0206944B1 (en) | 1993-03-17 |
AU5923286A (en) | 1987-01-08 |
US4705979A (en) | 1987-11-10 |
EP0206944A3 (en) | 1989-03-22 |
DE3688010D1 (de) | 1993-04-22 |
AU600232B2 (en) | 1990-08-09 |
DK304786A (da) | 1986-12-27 |
NO862324L (no) | 1986-12-29 |
CN1007105B (zh) | 1990-03-07 |
ES556642A0 (es) | 1988-02-16 |
EP0206944A2 (en) | 1986-12-30 |
DK304786D0 (da) | 1986-06-26 |
CN86104444A (zh) | 1986-12-31 |
OA08350A (en) | 1988-02-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2570902B1 (fr) | Dispositif a onde acoustique de surface | |
KR860005331A (ko) | 표면 음파 장치 및 그 형성 방법 | |
GB2002170A (en) | Tuning fork-type quartz crystal vibrator | |
ES8801747A1 (es) | Un dispositivo de onda acustica superficial | |
ES550506A0 (es) | Dispositivo de recepcion de ondas acusticas | |
AU567923B2 (en) | Verifying genuiness of authenticating device | |
GB8621935D0 (en) | Surface acoustic wave device | |
DK212184A (da) | 17-(isocyano-sulfonylmethylen)-steroider og 17-(formamido-sulfonylmethylen)-steroider, samt fremgangsmaader til deres fremstilling | |
GB2141286B (en) | Piezoelectric crystal resonator | |
DE69113781D1 (de) | Kristallschnittwinkel für lithiumtantalatkristall für neue akustische oberflächenwellenanordnungen. | |
EP0255360A3 (en) | Quartz crystal for surface acoustic wave device | |
EP0255361A3 (en) | Quartz crystal for surface acoustic wave device | |
GB2182440B (en) | Full wave field vibratory seismic source | |
GB2178536B (en) | At-cut crystal resonator pressure transducer | |
EP0146077A3 (en) | Acoustic surface wave resonator device | |
NO168855C (no) | Fremgangsmaate og apparat for akustisk skjaerboelgelogging iborehull | |
GB1526306A (en) | Elastic surface wave apparatus | |
CH630505GA3 (es) | ||
NO168856C (no) | Fremgangsmaate og anordning for direkte bestemmelse av boelgeimpedansen for en elastisk vibrasjonsboelge | |
GB2220318B (en) | Surface acoustic wave device | |
AU5614886A (en) | Surface acoustic wave device mounting | |
AU2355484A (en) | Acoustic wave reflective device | |
IT1184108B (it) | Procedimento e dispositivo per incollare substrati | |
FR2571907B1 (fr) | Dispositif a onde acoustique de surface | |
CA2197018A1 (en) | Surface acoustic wave device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19970401 |