JPS542153A - Ultrasonic thickness gauge - Google Patents

Ultrasonic thickness gauge

Info

Publication number
JPS542153A
JPS542153A JP6696377A JP6696377A JPS542153A JP S542153 A JPS542153 A JP S542153A JP 6696377 A JP6696377 A JP 6696377A JP 6696377 A JP6696377 A JP 6696377A JP S542153 A JPS542153 A JP S542153A
Authority
JP
Japan
Prior art keywords
thickness gauge
ultrasonic thickness
echos
mutliple
reflecting
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
JP6696377A
Other languages
Japanese (ja)
Inventor
Motohiko Yoshida
Kenichi Oriki
Mitsuhiro Koike
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP6696377A priority Critical patent/JPS542153A/en
Publication of JPS542153A publication Critical patent/JPS542153A/en
Pending legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)

Abstract

PURPOSE: To enable a thickness gauge which does not require zero point correction and is easy to handle to be obtained by making use of the reflection of ultrasonic wave pulses and using the mutliple reflecting echos of the bottom echos thereof.
COPYRIGHT: (C)1979,JPO&Japio
JP6696377A 1977-06-07 1977-06-07 Ultrasonic thickness gauge Pending JPS542153A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6696377A JPS542153A (en) 1977-06-07 1977-06-07 Ultrasonic thickness gauge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6696377A JPS542153A (en) 1977-06-07 1977-06-07 Ultrasonic thickness gauge

Publications (1)

Publication Number Publication Date
JPS542153A true JPS542153A (en) 1979-01-09

Family

ID=13331174

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6696377A Pending JPS542153A (en) 1977-06-07 1977-06-07 Ultrasonic thickness gauge

Country Status (1)

Country Link
JP (1) JPS542153A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5710407A (en) * 1980-05-19 1982-01-20 Neratoom Device for measuring wall thickness
DE3126160A1 (en) * 1981-02-17 1982-09-02 Teitsu Denshi Kenkyusho Co. Ltd., Kawasaki, Kanagawa METHOD AND DEVICE FOR MEASURING THE THICKNESS OF A WORKPIECE
JPS57186810U (en) * 1981-05-25 1982-11-27
DE3209838A1 (en) 1982-02-27 1983-09-29 Krautkrämer GmbH, 5000 Köln Method and device for determining the wall thickness with the aid of ultrasonic pulses
JPS6070306A (en) * 1983-09-27 1985-04-22 Sumitomo Metal Ind Ltd Thickness measuring method
JPH02276905A (en) * 1989-04-18 1990-11-13 Kandenko Co Ltd Method and device for ultrasonic thickness measurement
JP2002243416A (en) * 2001-02-13 2002-08-28 Tochigi Nikon Corp Method and instrument for thickness measurement and wafer

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5710407A (en) * 1980-05-19 1982-01-20 Neratoom Device for measuring wall thickness
JPH0143881B2 (en) * 1980-05-19 1989-09-25 Nukon Eng Ando Kontorakuteingu Bv
DE3126160A1 (en) * 1981-02-17 1982-09-02 Teitsu Denshi Kenkyusho Co. Ltd., Kawasaki, Kanagawa METHOD AND DEVICE FOR MEASURING THE THICKNESS OF A WORKPIECE
JPS57186810U (en) * 1981-05-25 1982-11-27
DE3209838A1 (en) 1982-02-27 1983-09-29 Krautkrämer GmbH, 5000 Köln Method and device for determining the wall thickness with the aid of ultrasonic pulses
JPS6070306A (en) * 1983-09-27 1985-04-22 Sumitomo Metal Ind Ltd Thickness measuring method
JPH038688B2 (en) * 1983-09-27 1991-02-06 Sumitomo Kinzoku Kogyo Kk
JPH02276905A (en) * 1989-04-18 1990-11-13 Kandenko Co Ltd Method and device for ultrasonic thickness measurement
JP2002243416A (en) * 2001-02-13 2002-08-28 Tochigi Nikon Corp Method and instrument for thickness measurement and wafer

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