RU2008100808A - HYDROPHONE ON SURFACE ACOUSTIC WAVES - Google Patents
HYDROPHONE ON SURFACE ACOUSTIC WAVES Download PDFInfo
- Publication number
- RU2008100808A RU2008100808A RU2008100808/28A RU2008100808A RU2008100808A RU 2008100808 A RU2008100808 A RU 2008100808A RU 2008100808/28 A RU2008100808/28 A RU 2008100808/28A RU 2008100808 A RU2008100808 A RU 2008100808A RU 2008100808 A RU2008100808 A RU 2008100808A
- Authority
- RU
- Russia
- Prior art keywords
- saw
- piezoelectric plate
- hydrophone
- idts
- acoustic waves
- Prior art date
Links
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- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Transducers For Ultrasonic Waves (AREA)
Abstract
Гидрофон на поверхностных акустических волнах, содержащий монокристаллическую пьезопластину, на поверхности которой расположены входной и выходной встречно-штыревые преобразователи (ВШП) для реализации линии задержки на ПАВ (резонатора на ПАВ), усилитель, включенный между двумя ВШП для реализации генератора на ПАВ, а также внешнюю мембрану, соединенную через шток с металлическим экраном, расположенным над поверхностью пьезопластины, отличающийся тем, что расстояние h между металлическим экраном, вносящим электрические возмущения, и поверхностью пьезопластины меньше длины волны λ.A hydrophone on surface acoustic waves containing a single-crystal piezoelectric plate, on the surface of which there are input and output interdigital transducers (IDTs) for implementing a delay line to a SAW (resonator to a SAW), an amplifier connected between two IDTs to implement a generator for a SAW, and an external membrane connected via a rod to a metal screen located above the surface of the piezoelectric plate, characterized in that the distance h between the metal screen introducing electrical disturbances, and the surface of the piezoelectric plate is less than the wavelength λ.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2008100808/28A RU2368099C1 (en) | 2008-01-09 | 2008-01-09 | Hydrophone on surface acoustic waves |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2008100808/28A RU2368099C1 (en) | 2008-01-09 | 2008-01-09 | Hydrophone on surface acoustic waves |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2008100808A true RU2008100808A (en) | 2009-07-20 |
RU2368099C1 RU2368099C1 (en) | 2009-09-20 |
Family
ID=41046691
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2008100808/28A RU2368099C1 (en) | 2008-01-09 | 2008-01-09 | Hydrophone on surface acoustic waves |
Country Status (1)
Country | Link |
---|---|
RU (1) | RU2368099C1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112697262A (en) * | 2020-12-08 | 2021-04-23 | 联合微电子中心有限责任公司 | Hydrophone and method for manufacturing same |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2550697C1 (en) * | 2013-10-24 | 2015-05-10 | Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Южный федеральный университет | Sensor based on surface acoustic waves to measure concentration of carbon dioxide |
RU2678503C1 (en) * | 2017-12-27 | 2019-01-29 | федеральное государственное автономное образовательное учреждение высшего образования "Московский физико-технический институт (государственный университет)" | Molecular electronic hydrophone |
-
2008
- 2008-01-09 RU RU2008100808/28A patent/RU2368099C1/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112697262A (en) * | 2020-12-08 | 2021-04-23 | 联合微电子中心有限责任公司 | Hydrophone and method for manufacturing same |
Also Published As
Publication number | Publication date |
---|---|
RU2368099C1 (en) | 2009-09-20 |
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QB4A | Licence on use of patent |
Free format text: PLEDGE Effective date: 20170919 |
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PD4A | Correction of name of patent owner | ||
MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20210110 |