JPS59161800U - ultrasonic transducer - Google Patents

ultrasonic transducer

Info

Publication number
JPS59161800U
JPS59161800U JP1984034047U JP3404784U JPS59161800U JP S59161800 U JPS59161800 U JP S59161800U JP 1984034047 U JP1984034047 U JP 1984034047U JP 3404784 U JP3404784 U JP 3404784U JP S59161800 U JPS59161800 U JP S59161800U
Authority
JP
Japan
Prior art keywords
ultrasonic transducer
layer
synthetic resin
receiving layer
resin foil
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
JP1984034047U
Other languages
Japanese (ja)
Other versions
JPH0453117Y2 (en
Inventor
ラインハルト・レルヒ
Original Assignee
シ−メンス、アクチエンゲゼルシヤフト
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 シ−メンス、アクチエンゲゼルシヤフト filed Critical シ−メンス、アクチエンゲゼルシヤフト
Publication of JPS59161800U publication Critical patent/JPS59161800U/en
Application granted granted Critical
Publication of JPH0453117Y2 publication Critical patent/JPH0453117Y2/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)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Surgical Instruments (AREA)

Abstract

1. An ultrasonic transducer having a supporting body (2), a transmitting layer (4) of a material with a relatively high dielectric constant and high acoustic impedance and a first lambda/4 coupling layer (8) that faces the transmitting layer (4), and a second lambda/4 coupling layer that faces a load, characterised in that the second lambda/4 coupling layer also serves as a receiving layer (6) and that the first lambda/4 coupling layer (8) also serves as backing for the receiving layer (6).

Description

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

第１図、第２図および第一３図はそれぞれこの考案の異
る実施例を示すもので、２は支持体、４は送信層、８は
第一整合層、６は受信層としての第゛二整合層である。1, 2 and 13 respectively show different embodiments of this invention, in which 2 is a support, 4 is a transmitting layer, 8 is a first matching layer, and 6 is a receiving layer.゛Two matching layers.

Claims (1)

【実用新案登録請求の範囲】 １）支持体２と、比較的誘電率が高く音響インピーダン
スの大きい材料から成る送信層４と、送信層接続された
薄い第１のλＩ４整合層８と負荷側に設けられた第二の
入ハ整合層を備える超音波変換器において、第二の入１
４整合層が同時に受信層６として使用されること、第一
の入ハ整合層８が同時に受信層の裏打層となっているこ
とを特徴とする超音波変換器。 ２）受信層６が電気的に直列接続された薄い圧電性合成
樹脂箔１０の堆積であることを特徴とする実用新案登録
請求の範囲第１項記載の超音波変換器。 ３）受信層６が能動圧電性合成樹脂箔１２と受動圧電性
合成樹脂箔１４から成ることを特徴とする実用新案登録
請求の範囲第１項記載の超音波変換器。 ４）受信層６の能動圧電性合成樹脂箔１２が硬い裏打板
上に設けられ、受動圧電性合成樹脂箔１４が負荷側に設
けられていることを特徴とする実用新案登録請求の範囲
第３項記載の超音波変換器。 ５）受信層６の受動圧電性合成樹脂箔１４の厚さが能動
圧電性合成樹脂箔１２の厚さの数倍であることを特徴と
する実用新案登録請求の範囲第３項記載の超音波変換器
。 ６）送信層４がジルコン酸・チタン酸鉛ＰＺＴ又はメタ
ニオブ酸鉛ｐｂ（Ｎｏａ）から成ることを特徴とする実
用新案登録請求の範囲第１項記載の超音波変換器。 ７）第二人ハ整合層の音響インピーダンスが約４ｘ　ｌ
　Ｑ’Ｐａｓ　７ｍであり、第一人１４整合層の音響イ
ンピーダンスが約１４　ｘ　ｌ　Ｑ６Ｐａｓ　７ｍであ
ることを特徴とする実用新案登録請求の範囲第１項又は
第６項記載の超音波変換器。 ８）受信層６が圧電性合成樹脂箔１０，１２゜１４から
成ることを特徴とする実用新案登録請求の範囲第１項乃
至第３項の一つに記載の超音波変換器。 ９）受信層６の圧電性合成樹脂箔１０．　１２゜１４が
ポリフッ化ビニリデンＰＶＤＦ又はポリ塩化ビニルＰＶ
Ｃから成ることを特徴とする実用新案登録請求の範囲第
８項記載の超音波変換器。 川　第一人１４整合層が石英ガラス又はガラス状物質又
は磁器から成ることを特徴とする実用新案登録請求の範
囲第１項記載の超音波変換器。[Claims for Utility Model Registration] 1) A support 2, a transmission layer 4 made of a material with a relatively high dielectric constant and large acoustic impedance, a thin first λI4 matching layer 8 connected to the transmission layer, and a load side In an ultrasonic transducer comprising a second input matching layer provided with a second input
An ultrasonic transducer characterized in that four matching layers are simultaneously used as a receiving layer 6, and a first matching layer 8 simultaneously serves as a backing layer for the receiving layer. 2) Ultrasonic transducer according to claim 1, characterized in that the receiving layer 6 is a stack of thin piezoelectric synthetic resin foils 10 electrically connected in series. 3) The ultrasonic transducer according to claim 1, wherein the receiving layer 6 comprises an active piezoelectric synthetic resin foil 12 and a passive piezoelectric synthetic resin foil 14. 4) Utility model registration claim 3, characterized in that the active piezoelectric synthetic resin foil 12 of the receiving layer 6 is provided on a hard backing plate, and the passive piezoelectric synthetic resin foil 14 is provided on the load side. Ultrasonic transducer as described in section. 5) The ultrasonic wave according to claim 3 of the utility model registration claim, characterized in that the thickness of the passive piezoelectric synthetic resin foil 14 of the receiving layer 6 is several times the thickness of the active piezoelectric synthetic resin foil 12. converter. 6) The ultrasonic transducer according to claim 1, wherein the transmission layer 4 is made of lead zirconate/titanate PZT or lead metaniobate PB (Noa). 7) The acoustic impedance of the second person C matching layer is approximately 4x l
7. The ultrasonic transducer according to claim 1 or 6, wherein the acoustic impedance of the Daiichijin 14 matching layer is approximately 14 x l Q6Pas 7m. 8) The ultrasonic transducer according to one of the claims 1 to 3, characterized in that the receiving layer 6 is made of piezoelectric synthetic resin foil 10, 12, 14. 9) Piezoelectric synthetic resin foil 10 of receiving layer 6. 12゜14 is polyvinylidene fluoride PVDF or polyvinyl chloride PV
The ultrasonic transducer according to claim 8, characterized in that the ultrasonic transducer comprises C. 14. The ultrasonic transducer according to claim 1, wherein the matching layer is made of quartz glass, a glass-like substance, or porcelain.
JP1984034047U 1983-03-15 1984-03-09 ultrasonic transducer Granted JPS59161800U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3309236.2 1983-03-15
DE19833309236 DE3309236A1 (en) 1983-03-15 1983-03-15 ULTRASONIC CONVERTER

Publications (2)

Publication Number Publication Date
JPS59161800U true JPS59161800U (en) 1984-10-30
JPH0453117Y2 JPH0453117Y2 (en) 1992-12-14

Family

ID=6193523

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984034047U Granted JPS59161800U (en) 1983-03-15 1984-03-09 ultrasonic transducer

Country Status (5)

Country Link
EP (1) EP0118837B1 (en)
JP (1) JPS59161800U (en)
AT (1) ATE35338T1 (en)
CA (1) CA1252558A (en)
DE (2) DE3309236A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009066519A1 (en) * 2007-11-21 2009-05-28 Konica Minolta Medical & Graphic, Inc. Oscillator for ultrasonic wave reception, manufacturing method thereof, ultrasonic wave probe, and ultrasonic wave medical diagnostic imaging system

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3422115A1 (en) * 1984-06-14 1985-12-19 Siemens AG, 1000 Berlin und 8000 München ULTRASONIC TRANSDUCER SYSTEM
DE3430186A1 (en) * 1984-08-16 1986-02-27 Siemens AG, 1000 Berlin und 8000 München METHOD FOR PRODUCING A POROUS PIEZOELECTRIC MATERIAL AND MATERIAL PRODUCED BY THIS METHOD
DE3501808A1 (en) * 1985-01-21 1986-07-24 Siemens AG, 1000 Berlin und 8000 München ULTRASONIC CONVERTER
EP0212352B1 (en) * 1985-08-09 1989-09-27 Siemens Aktiengesellschaft Ultrasonic generator
DE3839057A1 (en) * 1988-11-18 1990-05-23 Fraunhofer Ges Forschung Array-type probe
DE3932959C1 (en) * 1989-10-03 1991-04-11 Richard Wolf Gmbh, 7134 Knittlingen, De
US5263004A (en) * 1990-04-11 1993-11-16 Hewlett-Packard Company Acoustic image acquisition using an acoustic receiving array with variable time delay
DE69119136T2 (en) * 1990-04-11 1996-12-12 Hewlett Packard Co Acoustic image acquisition
DE19714606A1 (en) * 1997-04-09 1998-10-15 Itt Mfg Enterprises Inc Ultra sound transmitter and receiver for motor vehicle distance warning system
WO1999032858A1 (en) * 1997-12-23 1999-07-01 Simmonds Precision Products, Inc. Ultrasonic liquid gauging system
DE102007027277A1 (en) * 2007-06-11 2008-12-18 Endress + Hauser Flowtec Ag ultrasonic sensor
US20110062824A1 (en) * 2009-09-15 2011-03-17 Fujifilm Corporation Ultrasonic transducer, ultrasonic probe and producing method
US11806749B2 (en) * 2021-10-28 2023-11-07 Baker Hughes, A Ge Company, Llc Ultrasonic transducer for flow measurement

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57141199A (en) * 1981-02-25 1982-09-01 Aloka Co Ltd Ultrasonic wave probe

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4016530A (en) * 1975-06-02 1977-04-05 Goll Jeffrey H Broadband electroacoustic converter
NL7904924A (en) * 1979-06-25 1980-12-30 Philips Nv ACOUSTIC TRANSDUCER.
US4427912A (en) * 1982-05-13 1984-01-24 Ausonics Pty. Ltd. Ultrasound transducer for enhancing signal reception in ultrasound equipment

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57141199A (en) * 1981-02-25 1982-09-01 Aloka Co Ltd Ultrasonic wave probe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009066519A1 (en) * 2007-11-21 2009-05-28 Konica Minolta Medical & Graphic, Inc. Oscillator for ultrasonic wave reception, manufacturing method thereof, ultrasonic wave probe, and ultrasonic wave medical diagnostic imaging system

Also Published As

Publication number Publication date
EP0118837A2 (en) 1984-09-19
EP0118837A3 (en) 1985-05-15
ATE35338T1 (en) 1988-07-15
EP0118837B1 (en) 1988-06-22
DE3309236A1 (en) 1984-09-20
CA1252558A (en) 1989-04-11
DE3472318D1 (en) 1988-07-28
JPH0453117Y2 (en) 1992-12-14

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