JPS59183659U - electromagnetic ultrasound transducer - Google Patents

electromagnetic ultrasound transducer

Info

Publication number
JPS59183659U
JPS59183659U JP7771383U JP7771383U JPS59183659U JP S59183659 U JPS59183659 U JP S59183659U JP 7771383 U JP7771383 U JP 7771383U JP 7771383 U JP7771383 U JP 7771383U JP S59183659 U JPS59183659 U JP S59183659U
Authority
JP
Japan
Prior art keywords
ultrasonic transducer
coil
ultrasound transducer
electromagnetic ultrasonic
main component
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
JP7771383U
Other languages
Japanese (ja)
Other versions
JPH0239252Y2 (en
Inventor
杉野　一美
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP7771383U priority Critical patent/JPS59183659U/en
Publication of JPS59183659U publication Critical patent/JPS59183659U/en
Application granted granted Critical
Publication of JPH0239252Y2 publication Critical patent/JPH0239252Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の電磁超音波変換子の説明図、第２図はコ
イルに流す電流の波形を図す図、第３図は従来の電磁超
音波変換子の指向性を示す図、第４図はこの考案による
電磁超音波変換子の実施例を示す図、第５図はこの考案
による電磁超音波変換子の指向性を示す図であり、１は
電磁超音波変換子、２はコイル、３は被検材、４は仮想
的な音源である。なお、図中同一符号は同一あるいは相
当部分を示す。Figure 1 is an explanatory diagram of a conventional electromagnetic ultrasound transducer, Figure 2 is a diagram showing the waveform of the current flowing through the coil, Figure 3 is a diagram showing the directivity of the conventional electromagnetic ultrasound transducer, and Figure 4 is a diagram showing the directivity of the conventional electromagnetic ultrasound transducer. The figure shows an embodiment of the electromagnetic ultrasonic transducer according to this invention, and FIG. 3 is a material to be tested, and 4 is a virtual sound source. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 導電性を有する被検材の表層部に渦電流を発生させるか
、あるいは他のコイルによって上記表層部に発生した渦
電流を検出するコイルを主構成要素とする電磁超音波変
換子において、上記した電磁超音波変換子の主構成要素
としてのコイルの巻回層が複数であって、かつ各層の断
面がフラットケーブル状をなし、かつ外周辺に近づくほ
ど巻回層数を少なくしであることを特徴とする電磁超音
波変換子。In an electromagnetic ultrasonic transducer whose main component is a coil that generates an eddy current in the surface layer of a conductive material to be tested or detects the eddy current generated in the surface layer with another coil, the above-mentioned The coil as the main component of the electromagnetic ultrasonic transducer has a plurality of winding layers, each layer has a flat cable-like cross section, and the number of winding layers decreases as it approaches the outer periphery. Features an electromagnetic ultrasonic transducer.
JP7771383U 1983-05-24 1983-05-24 electromagnetic ultrasound transducer Granted JPS59183659U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7771383U JPS59183659U (en) 1983-05-24 1983-05-24 electromagnetic ultrasound transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7771383U JPS59183659U (en) 1983-05-24 1983-05-24 electromagnetic ultrasound transducer

Publications (2)

Publication Number Publication Date
JPS59183659U true JPS59183659U (en) 1984-12-06
JPH0239252Y2 JPH0239252Y2 (en) 1990-10-22

Family

ID=30207730

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7771383U Granted JPS59183659U (en) 1983-05-24 1983-05-24 electromagnetic ultrasound transducer

Country Status (1)

Country Link
JP (1) JPS59183659U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53143388A (en) * 1977-05-20 1978-12-13 Nippon Steel Corp Ultrasonic wave reception of electromagnetic type

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53143388A (en) * 1977-05-20 1978-12-13 Nippon Steel Corp Ultrasonic wave reception of electromagnetic type

Also Published As

Publication number Publication date
JPH0239252Y2 (en) 1990-10-22

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