JPS5221743A - Elastic surface-wave unit and its production method - Google Patents

Elastic surface-wave unit and its production method

Info

Publication number
JPS5221743A
JPS5221743A JP9777175A JP9777175A JPS5221743A JP S5221743 A JPS5221743 A JP S5221743A JP 9777175 A JP9777175 A JP 9777175A JP 9777175 A JP9777175 A JP 9777175A JP S5221743 A JPS5221743 A JP S5221743A
Authority
JP
Japan
Prior art keywords
elastic surface
production method
wave unit
wave
unit
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.)
Granted
Application number
JP9777175A
Other languages
Japanese (ja)
Other versions
JPS5614003B2 (en
Inventor
Junichiro Minowa
Shokichiro Yoshikawa
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP9777175A priority Critical patent/JPS5221743A/en
Publication of JPS5221743A publication Critical patent/JPS5221743A/en
Publication of JPS5614003B2 publication Critical patent/JPS5614003B2/ja
Granted legal-status Critical Current

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
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6423—Means for obtaining a particular transfer characteristic
    • H03H9/6426—Combinations of the characteristics of different transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)

Abstract

PURPOSE:In order to prevent the influence on the frequency-response characteristics by the interval between trasnducers, in an elastic surface-wave unit in which two transducers are formed on its base.
JP9777175A 1975-08-11 1975-08-11 Elastic surface-wave unit and its production method Granted JPS5221743A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9777175A JPS5221743A (en) 1975-08-11 1975-08-11 Elastic surface-wave unit and its production method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9777175A JPS5221743A (en) 1975-08-11 1975-08-11 Elastic surface-wave unit and its production method

Publications (2)

Publication Number Publication Date
JPS5221743A true JPS5221743A (en) 1977-02-18
JPS5614003B2 JPS5614003B2 (en) 1981-04-01

Family

ID=14201106

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9777175A Granted JPS5221743A (en) 1975-08-11 1975-08-11 Elastic surface-wave unit and its production method

Country Status (1)

Country Link
JP (1) JPS5221743A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6128413A (en) * 1984-07-19 1986-02-08 Sumitomo Heavy Ind Ltd Removal of cracking catalyst in marine use fuel oil
US7566509B2 (en) 2003-11-18 2009-07-28 National Institute Of Advanced Industrial Science And Technology Tubular fuel cell and method of producing the same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5084152A (en) * 1973-11-27 1975-07-07

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5084152A (en) * 1973-11-27 1975-07-07

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6128413A (en) * 1984-07-19 1986-02-08 Sumitomo Heavy Ind Ltd Removal of cracking catalyst in marine use fuel oil
JPH0479682B2 (en) * 1984-07-19 1992-12-16 Sumitomo Heavy Industries
US7566509B2 (en) 2003-11-18 2009-07-28 National Institute Of Advanced Industrial Science And Technology Tubular fuel cell and method of producing the same

Also Published As

Publication number Publication date
JPS5614003B2 (en) 1981-04-01

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