RU2007144635A - ACOUSTONE SAW SENSOR - Google Patents
ACOUSTONE SAW SENSOR Download PDFInfo
- Publication number
- RU2007144635A RU2007144635A RU2007144635/09A RU2007144635A RU2007144635A RU 2007144635 A RU2007144635 A RU 2007144635A RU 2007144635/09 A RU2007144635/09 A RU 2007144635/09A RU 2007144635 A RU2007144635 A RU 2007144635A RU 2007144635 A RU2007144635 A RU 2007144635A
- Authority
- RU
- Russia
- Prior art keywords
- saw sensor
- wavelength
- piezoelectric plates
- acoustone
- vacuum gap
- Prior art date
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- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
Акустоэлектронный ПАВ-сенсор, содержащий разделенные вакуумным зазором две монокристаллические пьезопластины, на поверхности которых расположены два идентичных входной передающий и выходной приемный встречно-штыревые преобразователи (ВШП), отличающийся тем, что толщины пьезопластин H1, Н2 ≤ длины волны λ, а ширина вакуумного зазора (Н) меньше, или сравнима с длиной волны λ.Acoustoelectronic SAW sensor containing two single-crystal piezoelectric plates separated by a vacuum gap, on the surface of which there are two identical input transmitting and output receiving interdigital transducers (IDT), characterized in that the thickness of the piezoelectric plates is H1, H2 ≤ wavelength λ, and the width of the vacuum gap (H) is shorter or comparable to wavelength λ.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2007144635/09A RU2371841C2 (en) | 2007-11-30 | 2007-11-30 | Acoustoelectric surface acoustic wave sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2007144635/09A RU2371841C2 (en) | 2007-11-30 | 2007-11-30 | Acoustoelectric surface acoustic wave sensor |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2007144635A true RU2007144635A (en) | 2009-06-10 |
RU2371841C2 RU2371841C2 (en) | 2009-10-27 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2007144635/09A RU2371841C2 (en) | 2007-11-30 | 2007-11-30 | Acoustoelectric surface acoustic wave sensor |
Country Status (1)
Country | Link |
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RU (1) | RU2371841C2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103336051B (en) * | 2013-07-10 | 2015-06-10 | 中国电子科技集团公司第二十六研究所 | Surface acoustic wave sensitive device for gas sensor |
RU2548404C1 (en) * | 2013-10-25 | 2015-04-20 | Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный университет аэрокосмического приборостроения" | Method to measure difference of pressures by sensor with frequency modulated output signal and sensor for realisation of method |
RU2548582C1 (en) * | 2013-10-25 | 2015-04-20 | Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный университет аэрокосмического приборостроения" | Measuring method of pressure difference with sensor with frequency-modulated output signal and sensor for method's implementation |
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2007
- 2007-11-30 RU RU2007144635/09A patent/RU2371841C2/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
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RU2371841C2 (en) | 2009-10-27 |
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