JPS5228838A - Production method of elastic surface-wave device - Google Patents
Production method of elastic surface-wave deviceInfo
- Publication number
- JPS5228838A JPS5228838A JP10541775A JP10541775A JPS5228838A JP S5228838 A JPS5228838 A JP S5228838A JP 10541775 A JP10541775 A JP 10541775A JP 10541775 A JP10541775 A JP 10541775A JP S5228838 A JPS5228838 A JP S5228838A
- Authority
- JP
- Japan
- Prior art keywords
- production method
- wave device
- elastic surface
- inferiority
- backside
- 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.)
- Pending
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
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02614—Treatment of substrates, e.g. curved, spherical, cylindrical substrates ensuring closed round-about circuits for the acoustical waves
- H03H9/02622—Treatment of substrates, e.g. curved, spherical, cylindrical substrates ensuring closed round-about circuits for the acoustical waves of the surface, including back surface
-
- 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
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02818—Means for compensation or elimination of undesirable effects
- H03H9/02866—Means for compensation or elimination of undesirable effects of bulk wave excitation and reflections
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
PURPOSE:To promote the yield by suppressing the unnecessary signals due to the volume waves from the backside thereby promoting the characteristics inferiority, by means of installing plural numbers of concave sections on the back of a piezoelectric body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10541775A JPS5228838A (en) | 1975-08-29 | 1975-08-29 | Production method of elastic surface-wave device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10541775A JPS5228838A (en) | 1975-08-29 | 1975-08-29 | Production method of elastic surface-wave device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5228838A true JPS5228838A (en) | 1977-03-04 |
Family
ID=14407019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10541775A Pending JPS5228838A (en) | 1975-08-29 | 1975-08-29 | Production method of elastic surface-wave device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5228838A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59171209A (en) * | 1984-03-09 | 1984-09-27 | Toko Inc | Elastic surface wave element |
EP0704812A2 (en) | 1994-09-28 | 1996-04-03 | Canon Kabushiki Kaisha | Surface acoustic wave device improved in convolution efficiency, receiver using it, communication system using it, and method for producing surface acoustic wave device improved in convolution efficiency |
JP2009232338A (en) * | 2008-03-25 | 2009-10-08 | Epson Toyocom Corp | Surface-acoustic wave device |
-
1975
- 1975-08-29 JP JP10541775A patent/JPS5228838A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59171209A (en) * | 1984-03-09 | 1984-09-27 | Toko Inc | Elastic surface wave element |
EP0704812A2 (en) | 1994-09-28 | 1996-04-03 | Canon Kabushiki Kaisha | Surface acoustic wave device improved in convolution efficiency, receiver using it, communication system using it, and method for producing surface acoustic wave device improved in convolution efficiency |
US5708402A (en) * | 1994-09-28 | 1998-01-13 | Canon Kabushiki Kaisha | Surface acoustic wave device improved in convolution efficiency, receiver using it, communication system using it, and method for producing surface acoustic wave device improved in convoluting efficiency |
JP2009232338A (en) * | 2008-03-25 | 2009-10-08 | Epson Toyocom Corp | Surface-acoustic wave device |
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