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WO2009069281A1 - 超音波探触子、超音波撮影装置 - Google Patents

超音波探触子、超音波撮影装置 Download PDF

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Publication number
WO2009069281A1
WO2009069281A1 PCT/JP2008/003454 JP2008003454W WO2009069281A1 WO 2009069281 A1 WO2009069281 A1 WO 2009069281A1 JP 2008003454 W JP2008003454 W JP 2008003454W WO 2009069281 A1 WO2009069281 A1 WO 2009069281A1
Authority
WO
WIPO (PCT)
Prior art keywords
denotes
ultrasonic
static transducer
ultrasonic probe
mhz
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.)
Ceased
Application number
PCT/JP2008/003454
Other languages
English (en)
French (fr)
Inventor
Kunio Hashiba
Mikio Izumi
Katsunori Asafusa
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
Hitachi Healthcare Manufacturing Ltd
Original Assignee
Hitachi Ltd
Hitachi Medical 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 Hitachi Ltd, Hitachi Medical Corp filed Critical Hitachi Ltd
Priority to JP2009543657A priority Critical patent/JP5208126B2/ja
Priority to US12/744,996 priority patent/US20100312119A1/en
Priority to EP08853268.4A priority patent/EP2215968A4/en
Publication of WO2009069281A1 publication Critical patent/WO2009069281A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0292—Electrostatic transducers, e.g. electret-type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

　高画質化が可能なパルス特性を維持しながら、多重反射を低減する静電型トランスデューサを備えた超音波探触子及びそれを用いた超音波診断装置を提供する。 　静電型トランスデューサを備えた超音波探触子プローブについて、音響レンズの吸収係数をα［ｄＢ／ｍｍ／ＭＨｚ］、音響レンズの最大厚さをｄ［ｍｍ］、静電型トランスデューサの中心周波数をｆｃ［ＭＨｚ］としたときに、６．５／ｆｃ＜αｄの条件を満たし、静電型トランスデューサの１チャンネル当たりのインダクタンス値をＬ［Ｈ］、静電型トランスデューサの１チャンネル当たりの静電容量をＣ［ｐＦ］、静電型トランスデューサの中心周波数をｆｃ［ＭＨｚ］として、Ｌ＜１／（（３πｆｃ）２×Ｃ）の条件を満たすように構成する。
PCT/JP2008/003454 2007-11-28 2008-11-25 超音波探触子、超音波撮影装置 Ceased WO2009069281A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009543657A JP5208126B2 (ja) 2007-11-28 2008-11-25 超音波探触子、超音波撮影装置
US12/744,996 US20100312119A1 (en) 2007-11-28 2008-11-25 Ultrasonic probe and ultrasonic imaging apparatus
EP08853268.4A EP2215968A4 (en) 2007-11-28 2008-11-25 Ultrasonic probe and ultrasonic imaging apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-306747 2007-11-28
JP2007306747 2007-11-28

Publications (1)

Publication Number Publication Date
WO2009069281A1 true WO2009069281A1 (ja) 2009-06-04

Family

ID=40678192

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/003454 Ceased WO2009069281A1 (ja) 2007-11-28 2008-11-25 超音波探触子、超音波撮影装置

Country Status (4)

Country Link
US (1) US20100312119A1 (ja)
EP (1) EP2215968A4 (ja)
JP (1) JP5208126B2 (ja)
WO (1) WO2009069281A1 (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011105269A1 (ja) 2010-02-26 2011-09-01 株式会社 日立メディコ 超音波探触子とそれを用いた超音波撮像装置
WO2013125626A1 (ja) * 2012-02-23 2013-08-29 日立アロカメディカル株式会社 超音波診断装置及び超音波探触子
JP2014090515A (ja) * 2014-02-06 2014-05-15 Canon Inc 静電容量型トランスデューサの制御装置、及び静電容量型トランスデューサの制御方法
JP2015202182A (ja) * 2014-04-14 2015-11-16 コニカミノルタ株式会社 超音波探触子及び超音波画像診断装置
US9238250B2 (en) 2009-12-11 2016-01-19 Canon Kabushiki Kaisha Control apparatus for capacitive electromechanical transducer, and method of controlling the capacitive electromechanical transducer

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018100015A1 (en) * 2016-12-01 2018-06-07 Koninklijke Philips N.V. Cmut probe, system and method
US20210173061A1 (en) * 2019-07-12 2021-06-10 Airmar Technology Corporation Broadband Ultrasonic Transducer Assembly with Acoustic Lens
US11504093B2 (en) * 2021-01-22 2022-11-22 Exo Imaging, Inc. Equalization for matrix based line imagers for ultrasound imaging systems
US12053330B2 (en) 2021-06-23 2024-08-06 Exo Imaging, Inc. Systems and methods for testing MEMS arrays and associated ASICs

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003339700A (ja) * 2002-05-27 2003-12-02 Toshiba Medical System Co Ltd 超音波プローブ及び超音波診断装置
JP2005509466A (ja) * 2001-07-31 2005-04-14 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 改善された感度をもつ超微細加工された超音波トランスデューサ（ｍｕｔ）
JP2007510450A (ja) * 2003-11-03 2007-04-26 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 単結晶トランスデューサを用いた多重超音波ビーム送信
WO2007046180A1 (ja) * 2005-10-18 2007-04-26 Hitachi, Ltd. 超音波トランスデューサ、超音波探触子および超音波撮像装置
JP2007130357A (ja) * 2005-11-14 2007-05-31 Hitachi Medical Corp 超音波探触子、超音波診断装置
JP2007301023A (ja) * 2006-05-09 2007-11-22 Hitachi Medical Corp 超音波探触子

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US3958559A (en) * 1974-10-16 1976-05-25 New York Institute Of Technology Ultrasonic transducer
SU1122374A1 (ru) * 1982-07-05 1984-11-07 Институт Тепло-И Массообмена Им.А.В.Лыкова Акустическа линза
JP3625564B2 (ja) * 1996-02-29 2005-03-02 株式会社日立メディコ 超音波探触子及びその製造方法
US6958255B2 (en) * 2002-08-08 2005-10-25 The Board Of Trustees Of The Leland Stanford Junior University Micromachined ultrasonic transducers and method of fabrication
US7670290B2 (en) * 2002-08-14 2010-03-02 Siemens Medical Solutions Usa, Inc. Electric circuit for tuning a capacitive electrostatic transducer
JP4256309B2 (ja) * 2003-09-29 2009-04-22 株式会社東芝 超音波プローブおよび超音波診断装置
US20070197917A1 (en) * 2005-12-22 2007-08-23 Bagge Jan P Continuous-focus ultrasound lens
US8456958B2 (en) * 2006-02-21 2013-06-04 Vermon S.A. Capacitive micro-machined ultrasonic transducer for element transducer apertures
WO2007115283A2 (en) * 2006-04-04 2007-10-11 Kolo Technologies, Inc. Modulation in micromachined ultrasonic transducers
US7745973B2 (en) * 2006-05-03 2010-06-29 The Board Of Trustees Of The Leland Stanford Junior University Acoustic crosstalk reduction for capacitive micromachined ultrasonic transducers in immersion
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005509466A (ja) * 2001-07-31 2005-04-14 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 改善された感度をもつ超微細加工された超音波トランスデューサ（ｍｕｔ）
JP2003339700A (ja) * 2002-05-27 2003-12-02 Toshiba Medical System Co Ltd 超音波プローブ及び超音波診断装置
JP2007510450A (ja) * 2003-11-03 2007-04-26 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 単結晶トランスデューサを用いた多重超音波ビーム送信
WO2007046180A1 (ja) * 2005-10-18 2007-04-26 Hitachi, Ltd. 超音波トランスデューサ、超音波探触子および超音波撮像装置
JP2007130357A (ja) * 2005-11-14 2007-05-31 Hitachi Medical Corp 超音波探触子、超音波診断装置
JP2007301023A (ja) * 2006-05-09 2007-11-22 Hitachi Medical Corp 超音波探触子

Non-Patent Citations (3)

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"A Single Distributed Model for cMUT", PROCEEDINGS OF 2004 IEEE ULTRASONICS SYMPOSIUM, pages 248 - 251
"A Surface Micromechined Electrostatic Ultrasonic Air Transducer", PROCEEDINGS OF 1994 IEEE ULTRASONICS SYMPOSIUM, pages 1241 - 1244
See also references of EP2215968A4

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9238250B2 (en) 2009-12-11 2016-01-19 Canon Kabushiki Kaisha Control apparatus for capacitive electromechanical transducer, and method of controlling the capacitive electromechanical transducer
US10084394B2 (en) 2009-12-11 2018-09-25 Canon Kabushiki Kaisha Control apparatus for capacitive electromechanical transducer, and method of controlling the capacitive electromechanical transducer
WO2011105269A1 (ja) 2010-02-26 2011-09-01 株式会社 日立メディコ 超音波探触子とそれを用いた超音波撮像装置
US9138203B2 (en) 2010-02-26 2015-09-22 Hitachi Medical Corporation Ultrasonic probe and ultrasonic imaging apparatus using the same
WO2013125626A1 (ja) * 2012-02-23 2013-08-29 日立アロカメディカル株式会社 超音波診断装置及び超音波探触子
CN104135938A (zh) * 2012-02-23 2014-11-05 日立阿洛卡医疗株式会社 超声波诊断装置和超声波探头
JPWO2013125626A1 (ja) * 2012-02-23 2015-07-30 日立アロカメディカル株式会社 超音波診断装置及び超音波探触子
US9476861B2 (en) 2012-02-23 2016-10-25 Hitachi, Ltd. Ultrasound diagnostic device and ultrasound probe
JP2014090515A (ja) * 2014-02-06 2014-05-15 Canon Inc 静電容量型トランスデューサの制御装置、及び静電容量型トランスデューサの制御方法
JP2015202182A (ja) * 2014-04-14 2015-11-16 コニカミノルタ株式会社 超音波探触子及び超音波画像診断装置

Also Published As

Publication number Publication date
US20100312119A1 (en) 2010-12-09
EP2215968A4 (en) 2017-08-02
JP5208126B2 (ja) 2013-06-12
JPWO2009069281A1 (ja) 2011-04-07
EP2215968A1 (en) 2010-08-11

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