JPS6091224A - 弾性表面波基板の表面波伝搬速度測定装置 - Google Patents

弾性表面波基板の表面波伝搬速度測定装置

Info

Publication number
JPS6091224A
JPS6091224A JP19901183A JP19901183A JPS6091224A JP S6091224 A JPS6091224 A JP S6091224A JP 19901183 A JP19901183 A JP 19901183A JP 19901183 A JP19901183 A JP 19901183A JP S6091224 A JPS6091224 A JP S6091224A
Authority
JP
Japan
Prior art keywords
surface acoustic
acoustic wave
phase difference
frequency
substrate
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
JP19901183A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0257251B2 (enExample
Inventor
Satoshi Wakamori
若森　聰
Kazuyuki Nagatsuma
一之 長妻
Sakichi Ashida
芦田　佐吉
Yukio Ito
由喜男 伊藤
Hiroyuki Takeuchi
裕之 竹内
Shigeru Sadamura
定村　茂
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 JP19901183A priority Critical patent/JPS6091224A/ja
Publication of JPS6091224A publication Critical patent/JPS6091224A/ja
Publication of JPH0257251B2 publication Critical patent/JPH0257251B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H5/00—Measuring propagation velocity of ultrasonic, sonic or infrasonic waves, e.g. of pressure waves

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP19901183A 1983-10-26 1983-10-26 弾性表面波基板の表面波伝搬速度測定装置 Granted JPS6091224A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19901183A JPS6091224A (ja) 1983-10-26 1983-10-26 弾性表面波基板の表面波伝搬速度測定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19901183A JPS6091224A (ja) 1983-10-26 1983-10-26 弾性表面波基板の表面波伝搬速度測定装置

Publications (2)

Publication Number Publication Date
JPS6091224A true JPS6091224A (ja) 1985-05-22
JPH0257251B2 JPH0257251B2 (enExample) 1990-12-04

Family

ID=16400621

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19901183A Granted JPS6091224A (ja) 1983-10-26 1983-10-26 弾性表面波基板の表面波伝搬速度測定装置

Country Status (1)

Country Link
JP (1) JPS6091224A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04123745U (ja) * 1991-04-22 1992-11-10 大和工業株式会社 自動車用サイドドアガードモールの取付構造

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56166429A (en) * 1980-05-27 1981-12-21 Tdk Corp Ultrasonic measuring device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56166429A (en) * 1980-05-27 1981-12-21 Tdk Corp Ultrasonic measuring device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04123745U (ja) * 1991-04-22 1992-11-10 大和工業株式会社 自動車用サイドドアガードモールの取付構造

Also Published As

Publication number Publication date
JPH0257251B2 (enExample) 1990-12-04

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