JPS643119B2 - - Google Patents

Info

Publication number
JPS643119B2
JPS643119B2 JP4494683A JP4494683A JPS643119B2 JP S643119 B2 JPS643119 B2 JP S643119B2 JP 4494683 A JP4494683 A JP 4494683A JP 4494683 A JP4494683 A JP 4494683A JP S643119 B2 JPS643119 B2 JP S643119B2
Authority
JP
Japan
Prior art keywords
vibrator
thermally expandable
matching layer
acoustic impedance
composite material
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
JP4494683A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59171295A (ja
Inventor
Masayuki Tone
Tsutomu Yano
Takayoshi Saito
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP4494683A priority Critical patent/JPS59171295A/ja
Priority to DE8484301823T priority patent/DE3478357D1/de
Priority to EP84301823A priority patent/EP0119855B2/en
Priority to US06/590,465 priority patent/US4523122A/en
Publication of JPS59171295A publication Critical patent/JPS59171295A/ja
Publication of JPS643119B2 publication Critical patent/JPS643119B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP4494683A 1983-03-17 1983-03-17 超音波トランスジユ−サ Granted JPS59171295A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP4494683A JPS59171295A (ja) 1983-03-17 1983-03-17 超音波トランスジユ−サ
DE8484301823T DE3478357D1 (en) 1983-03-17 1984-03-16 Ultrasonic transducers having improved acoustic impedance matching layers
EP84301823A EP0119855B2 (en) 1983-03-17 1984-03-16 Ultrasonic transducers having improved acoustic impedance matching layers
US06/590,465 US4523122A (en) 1983-03-17 1984-03-16 Piezoelectric ultrasonic transducers having acoustic impedance-matching layers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4494683A JPS59171295A (ja) 1983-03-17 1983-03-17 超音波トランスジユ−サ

Publications (2)

Publication Number Publication Date
JPS59171295A JPS59171295A (ja) 1984-09-27
JPS643119B2 true JPS643119B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-01-19

Family

ID=12705646

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4494683A Granted JPS59171295A (ja) 1983-03-17 1983-03-17 超音波トランスジユ−サ

Country Status (1)

Country Link
JP (1) JPS59171295A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62120799A (ja) * 1985-11-21 1987-06-02 Tokyo Keiki Co Ltd 超音波トランスジユ−サ
JP2651140B2 (ja) * 1986-07-16 1997-09-10 株式会社 村田製作所 空中超音波トランスジユーサ
JP3655860B2 (ja) * 2001-09-27 2005-06-02 アロカ株式会社 超音波探触子
US7808156B2 (en) * 2006-03-02 2010-10-05 Visualsonics Inc. Ultrasonic matching layer and transducer
US20180008231A1 (en) * 2015-02-27 2018-01-11 Hitachi, Ltd. Ultrasound probe and the ultrasound diagnostic device using same

Also Published As

Publication number Publication date
JPS59171295A (ja) 1984-09-27

Similar Documents

Publication Publication Date Title
US20030231549A1 (en) Acoustic matching member, ultrasonic transducer, ultrasonic flowmeter and method for manufacturing the same
CN110300631B (zh) 其中包括声学匹配区域的超声设备
US20050236932A1 (en) Ultrasonic transmitter/receiver, process for producing the same, and ultrasonic flowmeter
US5093810A (en) Matching member
JPS643119B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS58209792A (ja) 吸音材
EP1600031B1 (en) Device having matched accoustical impedance and method
JP2001514455A (ja) 音響トランスデューサー
CN100460871C (zh) 制造换能器的方法和声能传输装置以及使声能匹配的制品
JPH0378039B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS59171296A (ja) 超音波トランスジユ−サ
JP2004029038A (ja) 超音波流量計
JPH0510879B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR102611563B1 (ko) 임피던스 매칭 부재 및 이의 제조 방법
JP4153796B2 (ja) 超音波送受波器および超音波流量計
Nagahara et al. Airborne Ultrasonic Transducer
Warner et al. Ultrasonic attenuation and pore microstructure in a liquid-He 4—filled ceramic
JPH01246998A (ja) 超音波トランスジューサ
JP4366874B2 (ja) 音響整合部材とその音響整合部材の製造方法
JPH02127897A (ja) 空中超音波トランスデューサ
KR102334802B1 (ko) 임피던스 매칭 부재 및 상기 임피던스 매칭 부재를 사용하는 초음파 트랜스듀서
JPS61169099A (ja) 超音波送受波器
CN113808560A (zh) 基于阻抗匹配的复合超材料的超薄宽频水下吸声器
JP2538465Y2 (ja) 超音波センサ
JPH09331599A (ja) 空中超音波センサ