JPS6138647B2 - - Google Patents

Info

Publication number
JPS6138647B2
JPS6138647B2 JP5451378A JP5451378A JPS6138647B2 JP S6138647 B2 JPS6138647 B2 JP S6138647B2 JP 5451378 A JP5451378 A JP 5451378A JP 5451378 A JP5451378 A JP 5451378A JP S6138647 B2 JPS6138647 B2 JP S6138647B2
Authority
JP
Japan
Prior art keywords
electrode
surface acoustic
acoustic wave
electrodes
wave device
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
Application number
JP5451378A
Other languages
English (en)
Japanese (ja)
Other versions
JPS54146991A (en
Inventor
Kazuyuki Nagatsuma
Jun Yamada
Hitoshi Yanagihara
Takeshi Hazama
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 JP5451378A priority Critical patent/JPS54146991A/ja
Publication of JPS54146991A publication Critical patent/JPS54146991A/ja
Publication of JPS6138647B2 publication Critical patent/JPS6138647B2/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
    • H03H9/02535—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
    • 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
    • H03H9/14544—Transducers of particular shape or position
    • H03H9/14552—Transducers of particular shape or position comprising split fingers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP5451378A 1978-05-10 1978-05-10 Elastic surface wave device Granted JPS54146991A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5451378A JPS54146991A (en) 1978-05-10 1978-05-10 Elastic surface wave device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5451378A JPS54146991A (en) 1978-05-10 1978-05-10 Elastic surface wave device

Publications (2)

Publication Number Publication Date
JPS54146991A JPS54146991A (en) 1979-11-16
JPS6138647B2 true JPS6138647B2 (enrdf_load_stackoverflow) 1986-08-30

Family

ID=12972717

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5451378A Granted JPS54146991A (en) 1978-05-10 1978-05-10 Elastic surface wave device

Country Status (1)

Country Link
JP (1) JPS54146991A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5656024A (en) * 1979-10-11 1981-05-16 Murata Mfg Co Ltd Elastic surface wave device

Also Published As

Publication number Publication date
JPS54146991A (en) 1979-11-16

Similar Documents

Publication Publication Date Title
US3786373A (en) Temperature compensated acoustic surface wave device
JPH027527B2 (enrdf_load_stackoverflow)
JPH0410765B2 (enrdf_load_stackoverflow)
US4144508A (en) Surface acoustic wave filters
JPH09199974A (ja) 弾性表面波装置
US3990023A (en) Elastic surface wave device
US4160219A (en) Transducer electrodes for filters or delay lines utilizing surface wave principles
US5175711A (en) Surface acoustic wave apparatus and method of productivity and adjustment of the same
JP2664228B2 (ja) 弾性表面波装置
JPS6138647B2 (enrdf_load_stackoverflow)
US5471179A (en) Surface acoustic wave bandpass filter including unique V-shaped electrode and phase compensator
JP3266804B2 (ja) 弾性表面波素子
JP2725697B2 (ja) 弾性表面波装置
JPH0356014B2 (enrdf_load_stackoverflow)
JP2685537B2 (ja) 弾性表面波装置、その製作方法、その調整方法、及びそれを用いた通信装置
US4096456A (en) Surface elastic wave filter
JPS622724B2 (enrdf_load_stackoverflow)
JPS63110809A (ja) 弾性表面波伝播素子
JPS5937723A (ja) 弾性表面波共振器型フイルタ装置
JPS6134755Y2 (enrdf_load_stackoverflow)
JPS6142447B2 (enrdf_load_stackoverflow)
JPH02172312A (ja) 弾性表面波フィルタ
JPS6221286B2 (enrdf_load_stackoverflow)
JPS58686B2 (ja) 弾性表面波デバイス
JPS5835402B2 (ja) 弾性表面波装置