JP2008093222A - 超音波探触子 - Google Patents
超音波探触子 Download PDFInfo
- Publication number
- JP2008093222A JP2008093222A JP2006279452A JP2006279452A JP2008093222A JP 2008093222 A JP2008093222 A JP 2008093222A JP 2006279452 A JP2006279452 A JP 2006279452A JP 2006279452 A JP2006279452 A JP 2006279452A JP 2008093222 A JP2008093222 A JP 2008093222A
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- Prior art keywords
- acoustic matching
- matching layer
- axis direction
- ultrasonic probe
- chemical
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- 239000000523 sample Substances 0.000 title claims abstract description 20
- 239000000126 substance Substances 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 239000011889 copper foil Substances 0.000 description 7
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 230000035515 penetration Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000009545 invasion Effects 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0607—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements
- B06B1/0622—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements on one surface
- B06B1/0633—Cylindrical array
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49005—Acoustic transducer
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Transducers For Ultrasonic Waves (AREA)
Abstract
【解決手段】バッキング材1上に複数の圧電素子2を長軸方向に円弧状に並べ、前記圧電素子2上に音響整合層8を設けて前記長軸方向に沿った両側面を樹脂モールド10し、前記音響整合層8上に耐薬品フィルム12を介在させて音響レンズ11を被着してなるコンベックス型の超音波探触子の製造方法において、前記音響整合層8の表面及び少なくとも前記長軸方向の両端面に露出した音響整合層8、圧電素子2及びバッキング材1を覆って前記耐薬品フィルム12を貼り付けた後、前記音響レンズ11を被着した製造方法とする。
【選択図】図1
Description
超音波探触子は例えば医用の超音波診断装置に超音波の送受波源として用いられる。このようなものの一つに、複数の圧電素子を長軸方向に円弧状に並べたコンベックス型があり、通常では短軸方向に曲率を有する音響レンズが被着される。そして、医用では、消毒液に浸されるため、耐薬品フィルムが音響レンズの内周に設けられる。
第2図は一従来例を説明する超音波探触子の図で、同図(a)は長軸方向の、同図(b)は短軸方向の断面図である。
しかしながら、上記構成の超音波探触子では、コンベックス型とする円弧状の曲率が大きくなる(曲率半径が小さくなる)ほど、例えば曲率半径が20mm以下になり、開口角が180度を超える場合、音響レンズ11の内周に耐薬品フィルム12を貼り付けることが困難になる問題があった。これらの場合、例えば耐薬品フィルム12のシワ等によって、音響レンズ11の内周との間に気泡等を生じた場合には、超音波の減衰が大きく探触子としての機能が損なわれて不良品となる問題を生ずる。
本発明は耐薬品フィルムの貼り付けを容易にしたコンベックス型とする超音波探触子の製造方法を提供することを目的とする。
本発明の請求項2では、前記耐薬品フィルムは前記音響整合層の表面及び前記長軸方向の両側面及び前記両端面を含む全外周に貼り付けられる。これにより、両側面の樹脂モールド上にも耐薬品フィルムを貼り付けるので、全外周を薬品から保護する。なお、両側面は樹脂モールドされるので、両端面からの侵入よりも軽減する。
Claims (2)
- バッキング材上に複数の圧電素子を長軸方向に円弧状に並べ、前記圧電素子上に音響整合層を設けて前記長軸方向に沿った両側面を樹脂モールドし、前記音響整合層上に耐薬品フィルムを介在させて音響レンズを被着してなるコンベックス型の超音波探触子の製造方法において、前記音響整合層の表面及び少なくとも前記長軸方向の両端面に露出した音響整合層、圧電素子及びバッキング材を覆って前記耐薬品フィルムを貼り付けた後、前記音響レンズを被着してなる超音波探触子の製造方法。
- 請求項1において、前記耐薬品フィルムは前記音響整合層の表面及び前記長軸方向の両側面及び前記両端面を含む全外周に貼り付けられた超音波探触子の製造方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006279452A JP5241091B2 (ja) | 2006-10-13 | 2006-10-13 | 超音波探触子 |
US11/973,819 US8189850B2 (en) | 2006-10-13 | 2007-10-10 | Ultrasonic probe and method of fabrication thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006279452A JP5241091B2 (ja) | 2006-10-13 | 2006-10-13 | 超音波探触子 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008093222A true JP2008093222A (ja) | 2008-04-24 |
JP5241091B2 JP5241091B2 (ja) | 2013-07-17 |
Family
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JP2006279452A Active JP5241091B2 (ja) | 2006-10-13 | 2006-10-13 | 超音波探触子 |
Country Status (2)
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US (1) | US8189850B2 (ja) |
JP (1) | JP5241091B2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010029523A (ja) * | 2008-07-30 | 2010-02-12 | Fujifilm Corp | 体腔内超音波探触子 |
CN102667417A (zh) * | 2009-10-29 | 2012-09-12 | 罗伯特·博世有限公司 | 用于在流体介质中使用的超声波换能器 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009069555A1 (ja) * | 2007-11-29 | 2009-06-04 | Hitachi Medical Corporation | 超音波探触子及びこれを用いた超音波診断装置 |
US20100256502A1 (en) * | 2009-04-06 | 2010-10-07 | General Electric Company | Materials and processes for bonding acoustically neutral structures for use in ultrasound catheters |
US10923099B2 (en) * | 2014-05-14 | 2021-02-16 | Koninklijke Philips N.V. | Acoustical lens and ultrasound transducer probe |
CN106805994B (zh) * | 2015-11-27 | 2020-02-18 | 中科绿谷(深圳)医疗科技有限公司 | 超声探头及其制备方法 |
KR102031056B1 (ko) * | 2017-07-20 | 2019-10-15 | 한국과학기술연구원 | 사용자 맞춤형 음향렌즈를 이용하는 집속 초음파 자극 장치 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08612A (ja) * | 1994-06-21 | 1996-01-09 | Toshiba Medical Eng Co Ltd | 超音波プローブ |
JP3038167U (ja) * | 1996-11-26 | 1997-06-06 | 信越化学工業株式会社 | 超音波診断装置用音響レンズ |
JPH09238399A (ja) * | 1996-02-29 | 1997-09-09 | Hitachi Medical Corp | 超音波探触子及びその製造方法 |
JPH105227A (ja) * | 1996-06-19 | 1998-01-13 | Toshiba Medical Eng Co Ltd | 体腔内超音波プローブ |
Family Cites Families (14)
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JPS4861126A (ja) * | 1971-12-02 | 1973-08-27 | ||
US3979565A (en) * | 1975-08-11 | 1976-09-07 | Westinghouse Electric Corporation | Metal enclosed transducer assembly |
US4283649A (en) * | 1978-09-21 | 1981-08-11 | Murata Manufacturing Co., Ltd. | Piezoelectric ultrasonic transducer with resonator laminate |
US4439642A (en) * | 1981-12-28 | 1984-03-27 | Polaroid Corporation | High energy ultrasonic transducer |
US4755975A (en) * | 1985-02-08 | 1988-07-05 | Ngk Spark Plug Co., Ltd. | Piezoelectric transducer for transmitting or receiving ultrasonic waves |
JPH03275044A (ja) | 1990-03-23 | 1991-12-05 | Hitachi Medical Corp | 超音波探触子 |
JP3117494B2 (ja) | 1991-08-12 | 2000-12-11 | 積水化学工業株式会社 | 分岐管継手 |
GB9126082D0 (en) * | 1991-12-06 | 1992-02-05 | Nat Res Dev | Acoustic non-destructive testing |
US5894452A (en) * | 1994-10-21 | 1999-04-13 | The Board Of Trustees Of The Leland Stanford Junior University | Microfabricated ultrasonic immersion transducer |
US5600610A (en) * | 1995-01-31 | 1997-02-04 | Gas Research Institute | Electrostatic transducer and method for manufacturing same |
US6775388B1 (en) * | 1998-07-16 | 2004-08-10 | Massachusetts Institute Of Technology | Ultrasonic transducers |
WO2003032678A2 (en) * | 2001-10-09 | 2003-04-17 | Frank Joseph Pompei | Ultrasonic transducer for parametric array |
JP2003230195A (ja) * | 2002-02-06 | 2003-08-15 | Hosiden Corp | エレクトレットコンデンサマイクロホン |
US6865140B2 (en) * | 2003-03-06 | 2005-03-08 | General Electric Company | Mosaic arrays using micromachined ultrasound transducers |
-
2006
- 2006-10-13 JP JP2006279452A patent/JP5241091B2/ja active Active
-
2007
- 2007-10-10 US US11/973,819 patent/US8189850B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08612A (ja) * | 1994-06-21 | 1996-01-09 | Toshiba Medical Eng Co Ltd | 超音波プローブ |
JPH09238399A (ja) * | 1996-02-29 | 1997-09-09 | Hitachi Medical Corp | 超音波探触子及びその製造方法 |
JPH105227A (ja) * | 1996-06-19 | 1998-01-13 | Toshiba Medical Eng Co Ltd | 体腔内超音波プローブ |
JP3038167U (ja) * | 1996-11-26 | 1997-06-06 | 信越化学工業株式会社 | 超音波診断装置用音響レンズ |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010029523A (ja) * | 2008-07-30 | 2010-02-12 | Fujifilm Corp | 体腔内超音波探触子 |
CN102667417A (zh) * | 2009-10-29 | 2012-09-12 | 罗伯特·博世有限公司 | 用于在流体介质中使用的超声波换能器 |
JP2013509122A (ja) * | 2009-10-29 | 2013-03-07 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 流体媒体に使用するための超音波変換器 |
US8988971B2 (en) | 2009-10-29 | 2015-03-24 | Robert Bosch Gmbh | Ultrasonic transducer for use in a fluid medium |
CN102667417B (zh) * | 2009-10-29 | 2016-01-20 | 罗伯特·博世有限公司 | 用于在流体介质中使用的超声波换能器 |
Also Published As
Publication number | Publication date |
---|---|
JP5241091B2 (ja) | 2013-07-17 |
US20080089538A1 (en) | 2008-04-17 |
US8189850B2 (en) | 2012-05-29 |
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