JPS5575646A - Probe for electroacoustic conversion - Google Patents

Probe for electroacoustic conversion

Info

Publication number
JPS5575646A
JPS5575646A JP15031278A JP15031278A JPS5575646A JP S5575646 A JPS5575646 A JP S5575646A JP 15031278 A JP15031278 A JP 15031278A JP 15031278 A JP15031278 A JP 15031278A JP S5575646 A JPS5575646 A JP S5575646A
Authority
JP
Japan
Prior art keywords
stainless steel
damper
probe
system stainless
constitution
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
JP15031278A
Other languages
Japanese (ja)
Inventor
Yoshihiro Matsunaga
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 JP15031278A priority Critical patent/JPS5575646A/en
Publication of JPS5575646A publication Critical patent/JPS5575646A/en
Pending 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)
  • Transducers For Ultrasonic Waves (AREA)

Abstract

PURPOSE: To enable the resolution not lowered even with the usage for a long time at high temperature, by constituting the damper of electroacoustic conversion probe with the joint of ferrite system stainless steel and austenite system stainless steel.
CONSTITUTION: At the bottom of the case 1 made of stainless steel, the piezoelectric element 2 is contained via the contact media 3a and the insulation cylinders 4a and 4b are contained. The damper 5a incorporates the austenite system stainless steel 5b and the ferrite system stainless steel 5c with welding in advance before locating it in the case 1. One end of the core wire 7 of the sheath wire 6 is connected to the damper 5a, another end is connected to the power supply through the center hole of the cap 8, and the external tube 9 of the sheath wire 6 is connected to another end of the power supply. The probe of this constitution can withstand the temperature change up to 1600°C and can give sufficient performance as the damper.
COPYRIGHT: (C)1980,JPO&Japio
JP15031278A 1978-12-04 1978-12-04 Probe for electroacoustic conversion Pending JPS5575646A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15031278A JPS5575646A (en) 1978-12-04 1978-12-04 Probe for electroacoustic conversion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15031278A JPS5575646A (en) 1978-12-04 1978-12-04 Probe for electroacoustic conversion

Publications (1)

Publication Number Publication Date
JPS5575646A true JPS5575646A (en) 1980-06-07

Family

ID=15494259

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15031278A Pending JPS5575646A (en) 1978-12-04 1978-12-04 Probe for electroacoustic conversion

Country Status (1)

Country Link
JP (1) JPS5575646A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990014738A1 (en) * 1989-05-15 1990-11-29 Hitachi Construction Machinery Co., Ltd. Ultrasonic probe and method of producing the same
KR19990078789A (en) * 1999-08-07 1999-11-05 한진호 Medical ultrasonic probe by using plasma etching

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990014738A1 (en) * 1989-05-15 1990-11-29 Hitachi Construction Machinery Co., Ltd. Ultrasonic probe and method of producing the same
KR19990078789A (en) * 1999-08-07 1999-11-05 한진호 Medical ultrasonic probe by using plasma etching

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