JPH0245847B2 - - Google Patents

Info

Publication number
JPH0245847B2
JPH0245847B2 JP57025882A JP2588282A JPH0245847B2 JP H0245847 B2 JPH0245847 B2 JP H0245847B2 JP 57025882 A JP57025882 A JP 57025882A JP 2588282 A JP2588282 A JP 2588282A JP H0245847 B2 JPH0245847 B2 JP H0245847B2
Authority
JP
Japan
Prior art keywords
comb
acoustic wave
surface acoustic
electrode fingers
shaped electrode
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 - Lifetime
Application number
JP57025882A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58143620A (ja
Inventor
Masayoshi Etsuno
Shigenori Maeda
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP2588282A priority Critical patent/JPS58143620A/ja
Publication of JPS58143620A publication Critical patent/JPS58143620A/ja
Publication of JPH0245847B2 publication Critical patent/JPH0245847B2/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 elements; 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
    • H03H9/14517—Means for weighting
    • H03H9/1452—Means for weighting by finger overlap length, apodisation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6489—Compensation of undesirable effects

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP2588282A 1982-02-22 1982-02-22 弾性表面波共振器 Granted JPS58143620A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2588282A JPS58143620A (ja) 1982-02-22 1982-02-22 弾性表面波共振器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2588282A JPS58143620A (ja) 1982-02-22 1982-02-22 弾性表面波共振器

Publications (2)

Publication Number Publication Date
JPS58143620A JPS58143620A (ja) 1983-08-26
JPH0245847B2 true JPH0245847B2 (en:Method) 1990-10-12

Family

ID=12178146

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2588282A Granted JPS58143620A (ja) 1982-02-22 1982-02-22 弾性表面波共振器

Country Status (1)

Country Link
JP (1) JPS58143620A (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10447240B2 (en) 2013-12-26 2019-10-15 Murata Manufacturing Co., Ltd. Elastic wave device and filter device

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63114408A (ja) * 1986-10-31 1988-05-19 Toshiba Corp 弾性表面波装置
JP4727322B2 (ja) * 2005-07-06 2011-07-20 太陽誘電株式会社 弾性表面波装置
US9319023B2 (en) 2011-06-28 2016-04-19 Kyocera Corporation Acoustic wave element and acoustic wave device using same
JP6573836B2 (ja) 2016-01-13 2019-09-11 太陽誘電株式会社 弾性波共振器、フィルタ、及びデュプレクサ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55144423U (en:Method) * 1979-04-05 1980-10-16

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10447240B2 (en) 2013-12-26 2019-10-15 Murata Manufacturing Co., Ltd. Elastic wave device and filter device

Also Published As

Publication number Publication date
JPS58143620A (ja) 1983-08-26

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