JPH038688B2 - - Google Patents

Info

Publication number
JPH038688B2
JPH038688B2 JP58179954A JP17995483A JPH038688B2 JP H038688 B2 JPH038688 B2 JP H038688B2 JP 58179954 A JP58179954 A JP 58179954A JP 17995483 A JP17995483 A JP 17995483A JP H038688 B2 JPH038688 B2 JP H038688B2
Authority
JP
Japan
Prior art keywords
time
reflected
value
ultrasonic waves
dead zone
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
JP58179954A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6070306A (ja
Inventor
Riichi Murayama
Hisao Yamaguchi
Kazuo Fujisawa
Takashi Kadowaki
Susumu Ito
Soji Sasaki
Kazuya Sato
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
Nippon Steel Corp
Original Assignee
Hitachi Ltd
Sumitomo Metal Industries 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, Sumitomo Metal Industries Ltd filed Critical Hitachi Ltd
Priority to JP17995483A priority Critical patent/JPS6070306A/ja
Publication of JPS6070306A publication Critical patent/JPS6070306A/ja
Publication of JPH038688B2 publication Critical patent/JPH038688B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
    • G01B17/02—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
JP17995483A 1983-09-27 1983-09-27 厚さ測定方法 Granted JPS6070306A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17995483A JPS6070306A (ja) 1983-09-27 1983-09-27 厚さ測定方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17995483A JPS6070306A (ja) 1983-09-27 1983-09-27 厚さ測定方法

Publications (2)

Publication Number Publication Date
JPS6070306A JPS6070306A (ja) 1985-04-22
JPH038688B2 true JPH038688B2 (en]) 1991-02-06

Family

ID=16074859

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17995483A Granted JPS6070306A (ja) 1983-09-27 1983-09-27 厚さ測定方法

Country Status (1)

Country Link
JP (1) JPS6070306A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63292010A (ja) * 1987-05-25 1988-11-29 Sharp Corp 超音波厚さ測定装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS542153A (en) * 1977-06-07 1979-01-09 Mitsubishi Electric Corp Ultrasonic thickness gauge
JPS54107359A (en) * 1978-02-09 1979-08-23 Mitsubishi Electric Corp Ultrasonic thickness gauge

Also Published As

Publication number Publication date
JPS6070306A (ja) 1985-04-22

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