JP2004023781A5 - - Google Patents

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Publication number
JP2004023781A5
JP2004023781A5 JP2002215893A JP2002215893A JP2004023781A5 JP 2004023781 A5 JP2004023781 A5 JP 2004023781A5 JP 2002215893 A JP2002215893 A JP 2002215893A JP 2002215893 A JP2002215893 A JP 2002215893A JP 2004023781 A5 JP2004023781 A5 JP 2004023781A5
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JP
Japan
Prior art keywords
dimensional array
array probe
transducer element
piezoelectric body
probe according
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JP2002215893A
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Japanese (ja)
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JP2004023781A (en
JP4017934B2 (en
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Priority to JP2002215893A priority Critical patent/JP4017934B2/en
Priority claimed from JP2002215893A external-priority patent/JP4017934B2/en
Publication of JP2004023781A publication Critical patent/JP2004023781A/en
Publication of JP2004023781A5 publication Critical patent/JP2004023781A5/ja
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Publication of JP4017934B2 publication Critical patent/JP4017934B2/en
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Claims (8)

超音波診断装置に用いられる二次元アレイ探触子であって、
超音波ビームを放射する振動子と、
その振動子の超音波放射面側に配置された音響レンズと、を備え、
振動子は、二次元的に配置された複数の振動子エレメントを有しており、
音響レンズの超音波放射面は、振動子エレメント毎に、当該振動子エレメントから放射される超音波ビームを拡散するように凸面状または凹面状に形成されていることを特徴とする二次元アレイ探触子。A two-dimensional array probe used in an ultrasonic diagnostic apparatus,
An oscillator that emits an ultrasonic beam;
An acoustic lens disposed on the ultrasonic radiation surface side of the vibrator,
The vibrator has a plurality of vibrator elements arranged two-dimensionally,
The ultrasonic emission surface of the acoustic lens is formed in a convex shape or a concave shape so as to diffuse an ultrasonic beam emitted from the transducer element for each transducer element. Tentacles. 音響レンズは、振動子エレメント毎に個別に形成されたレンズ体を複数備えており、各レンズ体の超音波放射面が凸面状または凹面状に形成されていることを特徴とする請求項１に記載の二次元アレイ探触子。  The acoustic lens includes a plurality of lens bodies individually formed for each transducer element, and an ultrasonic radiation surface of each lens body is formed in a convex shape or a concave shape. The described two-dimensional array probe. 音響レンズは、複数の振動子エレメントに対応する１つのレンズ体を備えており、そのレンズ体は、振動子エレメント毎に、当該振動子エレメントに対応する超音波放射面が凸面状または凹面状に形成されていることを特徴とする請求項１に記載の二次元アレイ探触子。  The acoustic lens includes one lens body corresponding to a plurality of transducer elements, and the lens body has an ultrasonic radiation surface corresponding to the transducer element in a convex shape or a concave shape for each transducer element. The two-dimensional array probe according to claim 1, wherein the two-dimensional array probe is formed. 振動子が、振動子エレメント毎に独立した圧電体を備えていることを特徴とする請求項１〜３のいずれかに記載の二次元アレイ探触子。  The two-dimensional array probe according to any one of claims 1 to 3, wherein the transducer includes an independent piezoelectric body for each transducer element. 振動子は、複数の振動子エレメントに対応する１枚の圧電体と、その圧電体の両面に配置された電極板と、を有し、両電極板の少なくとも一方にアレイ状に電極パターンが形成されていることを特徴とする請求項１〜３のいずれかに記載の二次元アレイ探触子。  The vibrator has one piezoelectric body corresponding to a plurality of vibrator elements, and electrode plates arranged on both surfaces of the piezoelectric body, and an electrode pattern is formed in an array on at least one of the two electrode plates. The two-dimensional array probe according to claim 1, wherein the two-dimensional array probe is provided. 両電極板の一方が共通電極とされていることを特徴とする請求項５に記載の二次元アレイ探触子。  6. The two-dimensional array probe according to claim 5, wherein one of the two electrode plates is a common electrode. 前記の１枚の圧電体は、単一の圧電体または複合圧電体であることを特徴とする請求項５叉は６に記載の二次元アレイ探触子。  7. The two-dimensional array probe according to claim 5, wherein the one piezoelectric body is a single piezoelectric body or a composite piezoelectric body. 音響レンズの超音波放射面側に音響レンズを覆うように配置された保護膜をさらに備えることを特徴とする請求項１〜７のいずれかに記載の二次元アレイ探触子。  The two-dimensional array probe according to any one of claims 1 to 7, further comprising a protective film arranged to cover the acoustic lens on the ultrasonic radiation surface side of the acoustic lens.
JP2002215893A 2002-06-20 2002-06-20 Ultrasonic probe Expired - Fee Related JP4017934B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002215893A JP4017934B2 (en) 2002-06-20 2002-06-20 Ultrasonic probe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002215893A JP4017934B2 (en) 2002-06-20 2002-06-20 Ultrasonic probe

Publications (3)

Publication Number Publication Date
JP2004023781A JP2004023781A (en) 2004-01-22
JP2004023781A5 true JP2004023781A5 (en) 2005-10-13
JP4017934B2 JP4017934B2 (en) 2007-12-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002215893A Expired - Fee Related JP4017934B2 (en) 2002-06-20 2002-06-20 Ultrasonic probe

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JP (1) JP4017934B2 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1937150A4 (en) * 2005-09-27 2010-01-20 Medison Co Ltd Probe for ultrasound diagnosis and ultrasound diagnostic system using the same
KR100856041B1 (en) * 2005-09-29 2008-09-03 주식회사 메디슨 Ultrasound diagnosis device comprising probe having shielding layer-inserted membrane
KR100856044B1 (en) * 2005-09-27 2008-09-03 주식회사 메디슨 Ultrasound diagnosis device comprising multilayer-membrane structured probe
JP5160634B2 (en) * 2007-05-03 2013-03-13 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 Method and apparatus for forming a microbeam using an adjustable fluid lens
JP5038808B2 (en) * 2007-08-02 2012-10-03 株式会社東芝 Ultrasonic transducer and ultrasonic probe with ultrasonic transducer
JP5516180B2 (en) * 2010-07-23 2014-06-11 日本電気株式会社 Oscillator and electronic device
JP6253075B2 (en) * 2012-12-19 2017-12-27 国立研究開発法人産業技術総合研究所 Probe array
KR102126033B1 (en) 2013-10-23 2020-06-23 삼성전자주식회사 Ultrasonic transducer and ultrasonic diagnostic equipment including the same
WO2015075863A1 (en) * 2013-11-20 2015-05-28 株式会社アルバック Ultrasonic probe and method for measuring blood vessel diameter of living subject using ultrasonic probe
FR3051693B1 (en) * 2016-05-31 2018-05-11 Imasonic NETWORK OF ULTRASONIC TRANSDUCER ELEMENTS
DE102018200324A1 (en) * 2018-01-11 2019-07-11 Robert Bosch Gmbh Ultrasonic sensor and fluid tank with ultrasonic sensor
JP7099267B2 (en) * 2018-11-14 2022-07-12 セイコーエプソン株式会社 Ultrasonic devices and ultrasonic sensors

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