JPH0153808B2 - - Google Patents
Info
- Publication number
- JPH0153808B2 JPH0153808B2 JP57056313A JP5631382A JPH0153808B2 JP H0153808 B2 JPH0153808 B2 JP H0153808B2 JP 57056313 A JP57056313 A JP 57056313A JP 5631382 A JP5631382 A JP 5631382A JP H0153808 B2 JPH0153808 B2 JP H0153808B2
- Authority
- JP
- Japan
- Prior art keywords
- electrodes
- electrode
- piezoelectric
- plate
- piezoelectric plate
- 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
- 238000005452 bending Methods 0.000 claims description 36
- 230000005284 excitation Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 20
- 230000008602 contraction Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 230000010287 polarization Effects 0.000 description 7
- 230000005684 electric field Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 239000012790 adhesive layer Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 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
- H03H9/02228—Guided bulk acoustic wave devices or Lamb wave devices having interdigital transducers situated in parallel planes on either side of a piezoelectric layer
-
- 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
- H03H9/02669—Edge reflection structures, i.e. resonating structures without metallic reflectors, e.g. Bleustein-Gulyaev-Shimizu [BGS], shear horizontal [SH], shear transverse [ST], Love waves devices
-
- 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
- H03H9/14508—Polyphase SAW transducers
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5631382A JPS58173912A (ja) | 1982-04-05 | 1982-04-05 | 圧電体屈曲振動子および圧電フィルタ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5631382A JPS58173912A (ja) | 1982-04-05 | 1982-04-05 | 圧電体屈曲振動子および圧電フィルタ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58173912A JPS58173912A (ja) | 1983-10-12 |
JPH0153808B2 true JPH0153808B2 (US08066781-20111129-C00013.png) | 1989-11-15 |
Family
ID=13023659
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5631382A Granted JPS58173912A (ja) | 1982-04-05 | 1982-04-05 | 圧電体屈曲振動子および圧電フィルタ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58173912A (US08066781-20111129-C00013.png) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60212016A (ja) * | 1984-04-04 | 1985-10-24 | Koji Toda | 屈曲振動モ−ド共振子及び該共振子を用いたフイルタ |
DE102004049498A1 (de) * | 2004-10-11 | 2006-04-13 | Epcos Ag | Mit akustischen Wellen arbeitendes Bauelement und Verfahren zu dessen Herstellung |
US8058768B2 (en) | 2005-05-27 | 2011-11-15 | Triquint Semiconductor, Inc. | Bulk acoustic wave resonator device |
JP2011191091A (ja) * | 2010-03-12 | 2011-09-29 | Seiko Epson Corp | 音叉型振動片、振動子およびセンサー装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4959551A (US08066781-20111129-C00013.png) * | 1972-06-27 | 1974-06-10 |
-
1982
- 1982-04-05 JP JP5631382A patent/JPS58173912A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4959551A (US08066781-20111129-C00013.png) * | 1972-06-27 | 1974-06-10 |
Also Published As
Publication number | Publication date |
---|---|
JPS58173912A (ja) | 1983-10-12 |