JPS637346B2 - - Google Patents

Info

Publication number
JPS637346B2
JPS637346B2 JP55034773A JP3477380A JPS637346B2 JP S637346 B2 JPS637346 B2 JP S637346B2 JP 55034773 A JP55034773 A JP 55034773A JP 3477380 A JP3477380 A JP 3477380A JP S637346 B2 JPS637346 B2 JP S637346B2
Authority
JP
Japan
Prior art keywords
probe
transmitting
magnetic
bottom plate
receiving coil
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
JP55034773A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56132558A (en
Inventor
Takashi Kadowaki
Minoru Fujimoto
Akihiro Tanaka
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 JP3477380A priority Critical patent/JPS56132558A/ja
Publication of JPS56132558A publication Critical patent/JPS56132558A/ja
Publication of JPS637346B2 publication Critical patent/JPS637346B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/24—Probes
    • G01N29/2412—Probes using the magnetostrictive properties of the material to be examined, e.g. electromagnetic acoustic transducers [EMAT]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02854—Length, thickness

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
JP3477380A 1980-03-21 1980-03-21 Electromagnetic ultrasonic wave probe Granted JPS56132558A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3477380A JPS56132558A (en) 1980-03-21 1980-03-21 Electromagnetic ultrasonic wave probe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3477380A JPS56132558A (en) 1980-03-21 1980-03-21 Electromagnetic ultrasonic wave probe

Publications (2)

Publication Number Publication Date
JPS56132558A JPS56132558A (en) 1981-10-16
JPS637346B2 true JPS637346B2 (enrdf_load_stackoverflow) 1988-02-16

Family

ID=12423611

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3477380A Granted JPS56132558A (en) 1980-03-21 1980-03-21 Electromagnetic ultrasonic wave probe

Country Status (1)

Country Link
JP (1) JPS56132558A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5182919A (en) * 1990-01-18 1993-02-02 Ebara Corporation Oil recovery system for closed type centrifugal refrigerating machine
EP0564060B1 (de) * 1992-04-02 1996-07-31 MANNESMANN Aktiengesellschaft Prüfkopf zur zerstörungsfreien Prüfung
JP7222365B2 (ja) * 2020-01-16 2023-02-15 Ｊｆｅスチール株式会社 被検体の肉厚測定装置及び肉厚測定方法

Also Published As

Publication number Publication date
JPS56132558A (en) 1981-10-16

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