ATE548860T1 - Akustischer anpassungs werkstoff,verfahren zur herstellung desselben und ultraschallübertrager mit diesem wekstoff - Google Patents

Akustischer anpassungs werkstoff,verfahren zur herstellung desselben und ultraschallübertrager mit diesem wekstoff

Info

Publication number
ATE548860T1
ATE548860T1 AT00974950T AT00974950T ATE548860T1 AT E548860 T1 ATE548860 T1 AT E548860T1 AT 00974950 T AT00974950 T AT 00974950T AT 00974950 T AT00974950 T AT 00974950T AT E548860 T1 ATE548860 T1 AT E548860T1
Authority
AT
Austria
Prior art keywords
producing
same
ultrasonic transducers
acoustic
acoustic adaptation
Prior art date
Application number
AT00974950T
Other languages
English (en)
Inventor
Hideki Morozumi
Daisuke Bessyo
Kenzo Ohji
Takeshi Nagai
Original Assignee
Panasonic 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
Priority claimed from JP32256499A external-priority patent/JP4277393B2/ja
Priority claimed from JP32633999A external-priority patent/JP2001145194A/ja
Priority claimed from JP2000164276A external-priority patent/JP2001346295A/ja
Priority claimed from JP2000303342A external-priority patent/JP2002112394A/ja
Priority claimed from JP2000303341A external-priority patent/JP2002112393A/ja
Priority claimed from JP2000317451A external-priority patent/JP4439710B2/ja
Application filed by Panasonic Corp filed Critical Panasonic Corp
Application granted granted Critical
Publication of ATE548860T1 publication Critical patent/ATE548860T1/de

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2876—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding
    • H04R1/288—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding for loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
AT00974950T 1999-11-12 2000-11-10 Akustischer anpassungs werkstoff,verfahren zur herstellung desselben und ultraschallübertrager mit diesem wekstoff ATE548860T1 (de)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP32256499A JP4277393B2 (ja) 1999-11-12 1999-11-12 超音波発生器
JP32633999A JP2001145194A (ja) 1999-11-17 1999-11-17 超音波発生器及びその製造方法
JP2000164276A JP2001346295A (ja) 2000-06-01 2000-06-01 音響整合部材とその製造方法
JP2000303342A JP2002112394A (ja) 2000-10-03 2000-10-03 熱膨張率の異なる物体の結合体とそれを用いた超音波送受信器及びその製造方法
JP2000303341A JP2002112393A (ja) 2000-10-03 2000-10-03 熱膨張率の異なる物体の結合体とそれを用いた超音波送受信器
JP2000317451A JP4439710B2 (ja) 2000-10-18 2000-10-18 音響整合部材とその製造方法
PCT/JP2000/007981 WO2001037609A1 (en) 1999-11-12 2000-11-10 Acoustic matching material, method of manufacture thereof, and ultrasonic transmitter using acoustic matching material

Publications (1)

Publication Number Publication Date
ATE548860T1 true ATE548860T1 (de) 2012-03-15

Family

ID=27554602

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00974950T ATE548860T1 (de) 1999-11-12 2000-11-10 Akustischer anpassungs werkstoff,verfahren zur herstellung desselben und ultraschallübertrager mit diesem wekstoff

Country Status (7)

Country Link
US (1) US6545947B1 (de)
EP (1) EP1170978B1 (de)
KR (1) KR100423381B1 (de)
CN (1) CN1145407C (de)
AT (1) ATE548860T1 (de)
AU (1) AU1308601A (de)
WO (1) WO2001037609A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6788620B2 (en) * 2002-05-15 2004-09-07 Matsushita Electric Industrial Co Ltd Acoustic matching member, ultrasound transducer, ultrasonic flowmeter and method for manufacturing the same
US7084552B2 (en) * 2003-01-16 2006-08-01 The Ultran Group, Inc. Anisotropic acoustic impedance matching material
WO2005020631A1 (ja) * 2003-08-22 2005-03-03 Matsushita Electric Industrial Co., Ltd. 音響整合体およびその製造方法、ならびに超音波センサおよび超音波送受信装置
WO2012008476A1 (ja) 2010-07-14 2012-01-19 日本碍子株式会社 セラミックフィルタ
US20140130607A1 (en) * 2011-07-13 2014-05-15 Panasonic Corporation Manufacturing method of acoustic matching member, acoustic matching member, ultrasonic transmitter/ receiver unit incorporating acoustic matching member, and ultrasonic flow meter device
US10442724B2 (en) 2015-09-25 2019-10-15 Hitachi Ltd. Joining material and joined body using same
CN110400869A (zh) * 2019-06-19 2019-11-01 中国科学院声学研究所东海研究站 一种可控声阻抗的介质及其声阻抗调控方法
US11664779B2 (en) 2019-07-03 2023-05-30 Toyota Motor Engineering & Manufacturing North America, Inc. Acoustic impedance matching with bubble resonators
JP7296581B2 (ja) * 2019-08-08 2023-06-23 パナソニックＩｐマネジメント株式会社 超音波センサ

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4211948A (en) * 1978-11-08 1980-07-08 General Electric Company Front surface matched piezoelectric ultrasonic transducer array with wide field of view
US4297607A (en) * 1980-04-25 1981-10-27 Panametrics, Inc. Sealed, matched piezoelectric transducer
GB2225426B (en) * 1988-09-29 1993-05-26 Michael John Gill A transducer
JP3039971B2 (ja) * 1989-09-19 2000-05-08 株式会社日立製作所 接合型圧電装置及び製造方法並びに接合型圧電素子
JP2920776B2 (ja) * 1990-04-13 1999-07-19 東芝セラミックス株式会社 超音波プローブ
GB2246349B (en) 1990-07-24 1994-06-22 British Gas Plc Method for bonding together hollow glass spheres
US5553035A (en) * 1993-06-15 1996-09-03 Hewlett-Packard Company Method of forming integral transducer and impedance matching layers
JP3295547B2 (ja) 1994-08-19 2002-06-24 株式会社リコー Ｇ３プロトコル測定装置
JP3580879B2 (ja) * 1995-01-19 2004-10-27 浜松ホトニクス株式会社 電子管デバイス
EP0766071B1 (de) * 1995-09-28 2002-04-10 Endress + Hauser Gmbh + Co. Ultraschallwandler

Also Published As

Publication number Publication date
US6545947B1 (en) 2003-04-08
CN1342385A (zh) 2002-03-27
KR100423381B1 (ko) 2004-03-18
WO2001037609A1 (en) 2001-05-25
AU1308601A (en) 2001-05-30
KR20020007291A (ko) 2002-01-26
EP1170978A1 (de) 2002-01-09
EP1170978B1 (de) 2012-03-07
CN1145407C (zh) 2004-04-07
EP1170978A4 (de) 2009-03-18

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