JPS5362444A - Elastic surface wave unit - Google Patents

Elastic surface wave unit

Info

Publication number
JPS5362444A
JPS5362444A JP13732476A JP13732476A JPS5362444A JP S5362444 A JPS5362444 A JP S5362444A JP 13732476 A JP13732476 A JP 13732476A JP 13732476 A JP13732476 A JP 13732476A JP S5362444 A JPS5362444 A JP S5362444A
Authority
JP
Japan
Prior art keywords
elastic surface
surface wave
wave unit
wave absorber
developed
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
JP13732476A
Other languages
Japanese (ja)
Inventor
Yoshihiko Noro
Yoshitsugu Miura
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP13732476A priority Critical patent/JPS5362444A/en
Publication of JPS5362444A publication Critical patent/JPS5362444A/en
Pending 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
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02818—Means for compensation or elimination of undesirable effects
    • H03H9/02842—Means for compensation or elimination of undesirable effects of reflections

Landscapes

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

Abstract

PURPOSE:To remarkably reduce the elastic surface waves unnecessary developed at the terminal at the elastic surface wave absorber of a small area, by coating elastic surface wave absorber with a distance.
JP13732476A 1976-11-17 1976-11-17 Elastic surface wave unit Pending JPS5362444A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13732476A JPS5362444A (en) 1976-11-17 1976-11-17 Elastic surface wave unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13732476A JPS5362444A (en) 1976-11-17 1976-11-17 Elastic surface wave unit

Publications (1)

Publication Number Publication Date
JPS5362444A true JPS5362444A (en) 1978-06-03

Family

ID=15196005

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13732476A Pending JPS5362444A (en) 1976-11-17 1976-11-17 Elastic surface wave unit

Country Status (1)

Country Link
JP (1) JPS5362444A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0098599A2 (en) * 1982-07-07 1984-01-18 Hitachi, Ltd. Elastic surface wave device
JPH0225104A (en) * 1988-07-14 1990-01-26 Sanyo Electric Co Ltd Surface acoustic wave device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0098599A2 (en) * 1982-07-07 1984-01-18 Hitachi, Ltd. Elastic surface wave device
JPH0225104A (en) * 1988-07-14 1990-01-26 Sanyo Electric Co Ltd Surface acoustic wave device

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