JPS5228838A - Production method of elastic surface-wave device - Google Patents

Production method of elastic surface-wave device

Info

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
Application number
JP10541775A
Other languages
Japanese (ja)
Inventor
Hiroshi Ikushima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP10541775A priority Critical patent/JPS5228838A/en
Publication of JPS5228838A publication Critical patent/JPS5228838A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02Details
    • H03H9/02535Details of surface acoustic wave devices
    • H03H9/02614Treatment of substrates, e.g. curved, spherical, cylindrical substrates ensuring closed round-about circuits for the acoustical waves
    • H03H9/02622Treatment of substrates, e.g. curved, spherical, cylindrical substrates ensuring closed round-about circuits for the acoustical waves of the surface, including back surface
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02Details
    • H03H9/02535Details of surface acoustic wave devices
    • H03H9/02637Details concerning reflective or coupling arrays
    • H03H9/02685Grating lines having particular arrangements
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02Details
    • H03H9/02535Details of surface acoustic wave devices
    • H03H9/02818Means for compensation or elimination of undesirable effects
    • H03H9/02866Means 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.
JP10541775A 1975-08-29 1975-08-29 Production method of elastic surface-wave device Pending JPS5228838A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (4)

* Cited by examiner, † Cited by third party
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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