JP4934300B2 - 熱伝導性を高めた超音波トランスデューサ - Google Patents
熱伝導性を高めた超音波トランスデューサ Download PDFInfo
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- JP4934300B2 JP4934300B2 JP2005243683A JP2005243683A JP4934300B2 JP 4934300 B2 JP4934300 B2 JP 4934300B2 JP 2005243683 A JP2005243683 A JP 2005243683A JP 2005243683 A JP2005243683 A JP 2005243683A JP 4934300 B2 JP4934300 B2 JP 4934300B2
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/54—Control of the diagnostic device
- A61B8/546—Control of the diagnostic device involving monitoring or regulation of device temperature
-
- 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
- B06B1/0644—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 a single piezoelectric element
- B06B1/0662—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 a single piezoelectric element with an electrode on the sensitive surface
- B06B1/0681—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 a single piezoelectric element with an electrode on the sensitive surface and a damping structure
- B06B1/0685—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 a single piezoelectric element with an electrode on the sensitive surface and a damping structure on the back only of piezoelectric elements
-
- 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
- G10K11/002—Devices for damping, suppressing, obstructing or conducting sound in acoustic devices
-
- 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
- G10K11/004—Mounting transducers, e.g. provided with mechanical moving or orienting device
-
- 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
- Y10T29/42—Piezoelectric device making
-
- 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
-
- 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
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/4908—Acoustic transducer
-
- 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
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49169—Assembling electrical component directly to terminal or elongated conductor
- Y10T29/49171—Assembling electrical component directly to terminal or elongated conductor with encapsulating
- Y10T29/49172—Assembling electrical component directly to terminal or elongated conductor with encapsulating by molding of insulating material
-
- 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
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49194—Assembling elongated conductors, e.g., splicing, etc.
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Medical Informatics (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Radiology & Medical Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Mechanical Engineering (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biophysics (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Transducers For Ultrasonic Waves (AREA)
Description
12 取得サブシステム
14 処理サブシステム
16 被検体
18 トランスデューサ・アレイ
42 遠隔接続サブシステム
52 トランスデューサ・アセンブリ
54 レンズ
56 バッキング層
58 支持プレート
59 中央プレート
60 サーキットリ
62 接地平面
64 電気シールド
66 トランスデューサ・アセンブリ断面側面図
68 トランスデューサ素子のアレイ
70 第一のマッチング層
72 第二のマッチング層
74 バッキング層の複合構造
76 バッキング材の層
78 熱伝導性要素の層
Claims (9)
- トランスデューサに用いられるバッキング材の複合構造(74)であって、
複数の熱伝導性要素(78)の間に交互に配置されたバッキング材(76)の複数の層を備えており、前記複数の熱伝導性要素(78)は、前記トランスデューサの中心領域で前記トランスデューサの周辺領域よりも高密度に配設され、前記トランスデューサの中心から当該バッキング材の複合構造(74)上の複数の点へ熱を伝達するように構成されており、
前記複数の熱伝導性要素(78)の合計体積が、前記バッキング材の体積の5体積%未満である、バッキング材の複合構造(74)。 - 第一の表面及び第一の裏面を有する第一の層として配設された複数のトランスデューサ素子(68)と、
第二の表面及び第二の裏面を有する第二の層として配設された吸収材であって、前記第一の裏面に隣接して配設されて前記第一の裏面に音響的に結合されており、全体に伝導性要素を分散させたバッキング材の複合構造(74)を含んでいる吸収材と、
を備え、
前記複合構造(74)は、前記複数の熱伝導性要素(78)がトランスデューサ・アセンブリ(52)の中心領域で前記トランスデューサの周辺領域よりも高密度に配設されるように、複数の前記バッキング材(76)の各々の層が、前記複数の熱伝導性要素(78)の各々の層と交互に積層された構成を含んでおり、
前記複数の熱伝導性要素(78)の合計体積が、前記バッキング材の体積の5体積%未満である、トランスデューサ・アセンブリ(52)。 - 前記バッキング材の複合構造(74)に結合されており、前記バッキング材の複合構造(74)から熱放散構造への熱経路を設けるように構成されている熱伝導性構造(59)をさらに含んでいる請求項2に記載のアセンブリ。
- 前記熱伝導性構造(59)が、前記バッキング材の前記複合構造(74)の複数の点からプローブの裏面領域に向かって熱を伝達する熱経路を形成する請求項3に記載のアセンブリ。
- 前記熱伝導性構造(59)が、前記バッキング材の前記複合構造(74)の複数の点から
能動的冷却機構に熱を伝達する熱経路を形成し、前記能動的冷却機構が、冷却材を用いて熱の除去を促す熱変換冷却構成を含む請求項3又は4に記載のアセンブリ。 - 第一の表面及び第一の裏面を有し、前記複数のトランスデューサ素子(68)の表面に隣接して配置された第一のマッチング層(70)と、
第二の表面及び第二の裏面を有し、前記第一のマッチング層(70)の前記第一の表面に隣接して配設された第二のマッチング層(72)と、
前記第二のマッチング層(72)の前記第二の表面に隣接して配設されたレンズ(54)と、
を備え、
前記レンズ(54)は、前記複数のトランスデューサ素子(68)、前記第一のマッチング層(70)及び前記第二のマッチング層(72)を覆う部分を含む、
請求項2乃至5のいずれかに記載のアセンブリ。 - 請求項2乃至6のいずれかに記載のトランスデューサ・アセンブリ(18)を含んでおり、超音波データを取得するように構成されている取得サブシステム(12)と、
該取得サブシステム(12)を介して取得された前記超音波データを処理するように構成されている処理サブシステム(14)と、
を備えた超音波システム(10)。 - トランスデューサ・アセンブリ(52)に用いられるバッキング材の複合構造(74)を形成する方法であって、
バッキング材(76)の複数の層を形成するようにバッキング材のブロックをダイス加工するステップと、
前記バッキング材の複合構造(74)を形成するように複数の熱伝導性要素(78)の間に前記バッキング材(76)の複数の層を交互に配設するステップと、
を備え、
前記複数の熱伝導性要素(78)は、トランスデューサ・アセンブリ(52)の中心領域で前記トランスデューサの周辺領域よりも高密度に配設され、
前記複数の熱伝導性要素(78)の合計体積が、前記バッキング材の体積の5体積%未満である、方法。 - バッキング材の複合構造(74)を形成する方法であって、
複数の熱伝導性要素(78)を隔設された関係で型に配置するステップと、
前記バッキング材の複合構造(74)を形成するように前記複数の熱伝導性要素(78)の周囲に吸収材材料を注型するステップと、
を備え、
前記複数の熱伝導性要素(78)は、トランスデューサ・アセンブリ(52)の中心領域で前記トランスデューサの周辺領域よりも高密度に配設され、
前記複数の熱伝導性要素(78)の合計体積が、前記バッキング材の体積の5体積%未満である、方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/929,019 US7105986B2 (en) | 2004-08-27 | 2004-08-27 | Ultrasound transducer with enhanced thermal conductivity |
US10/929,019 | 2004-08-27 |
Publications (2)
Publication Number | Publication Date |
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JP2006061696A JP2006061696A (ja) | 2006-03-09 |
JP4934300B2 true JP4934300B2 (ja) | 2012-05-16 |
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JP2005243683A Active JP4934300B2 (ja) | 2004-08-27 | 2005-08-25 | 熱伝導性を高めた超音波トランスデューサ |
Country Status (4)
Country | Link |
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US (2) | US7105986B2 (ja) |
JP (1) | JP4934300B2 (ja) |
CN (1) | CN100536784C (ja) |
FR (1) | FR2879394B1 (ja) |
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US7358645B2 (en) * | 2004-08-19 | 2008-04-15 | Siemens Medical Solutions Usa, Inc. | Backing, transducer array and method for thermal survival |
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JP2006061696A (ja) | 2006-03-09 |
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FR2879394A1 (fr) | 2006-06-16 |
CN100536784C (zh) | 2009-09-09 |
CN1799510A (zh) | 2006-07-12 |
US20060043839A1 (en) | 2006-03-02 |
US7694406B2 (en) | 2010-04-13 |
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