JPS6128939B2 - - Google Patents

Info

Publication number
JPS6128939B2
JPS6128939B2 JP57010028A JP1002882A JPS6128939B2 JP S6128939 B2 JPS6128939 B2 JP S6128939B2 JP 57010028 A JP57010028 A JP 57010028A JP 1002882 A JP1002882 A JP 1002882A JP S6128939 B2 JPS6128939 B2 JP S6128939B2
Authority
JP
Japan
Prior art keywords
cylindrical
piezoelectric element
crystal
medium
focusing
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
JP57010028A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57141553A (en
Inventor
Hiroshi Kanda
Kageyoshi Katakura
Toshiro Kondo
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 JP57010028A priority Critical patent/JPS57141553A/ja
Publication of JPS57141553A publication Critical patent/JPS57141553A/ja
Publication of JPS6128939B2 publication Critical patent/JPS6128939B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/22Details, e.g. general constructional or apparatus details
    • G01N29/221Arrangements for directing or focusing the acoustical waves

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (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)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
JP57010028A 1982-01-27 1982-01-27 Sound wave probe Granted JPS57141553A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57010028A JPS57141553A (en) 1982-01-27 1982-01-27 Sound wave probe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57010028A JPS57141553A (en) 1982-01-27 1982-01-27 Sound wave probe

Publications (2)

Publication Number Publication Date
JPS57141553A JPS57141553A (en) 1982-09-01
JPS6128939B2 true JPS6128939B2 (enrdf_load_stackoverflow) 1986-07-03

Family

ID=11738936

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57010028A Granted JPS57141553A (en) 1982-01-27 1982-01-27 Sound wave probe

Country Status (1)

Country Link
JP (1) JPS57141553A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS57141553A (en) 1982-09-01

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