JP2004523259A5 - - Google Patents

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Publication number
JP2004523259A5
JP2004523259A5 JP2002545577A JP2002545577A JP2004523259A5 JP 2004523259 A5 JP2004523259 A5 JP 2004523259A5 JP 2002545577 A JP2002545577 A JP 2002545577A JP 2002545577 A JP2002545577 A JP 2002545577A JP 2004523259 A5 JP2004523259 A5 JP 2004523259A5
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JP
Japan
Prior art keywords
diaphragm
ultrasonic transducer
binding material
opening
substrate
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.)
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Application number
JP2002545577A
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English (en)
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JP2004523259A (ja
JP4067964B2 (ja
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Priority claimed from PCT/US2001/042032 external-priority patent/WO2002043593A1/en
Publication of JP2004523259A publication Critical patent/JP2004523259A/ja
Publication of JP2004523259A5 publication Critical patent/JP2004523259A5/ja
Application granted granted Critical
Publication of JP4067964B2 publication Critical patent/JP4067964B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Claims (5)

  1. 医学的画像記録に使用される超音波トランスデューサであって、
    向かい合って配置される第一面と第二面を有し、前記第一面から前記第二面に延びる開口を含む基板と、
    前記開口内部に少なくとも部分的に配され、放出する超音波を集中させるための球体の一部であるアーチ型をしている隔膜と、
    前記隔膜と物理的に繋がっている複数の電極と、
    前記隔膜および前記基板と物理的に繋がっている結合物質、
    を含む超音波トランスデューサ。
  2. 前記隔膜が薄層の圧電物質を含むことを特徴とする、請求項1の超音波トランスデューサ。
  3. 前記隔膜が遊離フィルムを含むことを特徴とする、請求項1の超音波トランスデューサ。
  4. 前記結合物質が、前記開口内部に少なくとも部分的に配され、
    前記結合物質が前記隔膜に隣接して、前記隔膜を支持し、該隔膜によって生じた音波を減衰させることを特徴とする、請求項1の超音波トランスデューサ。
  5. 前記複数の電極のうち少なくとも1個は、前記隔膜の表面に形成され、放射した音波をさらに集中させるように作動する環状電極であることを特徴とする、請求項1の超音波トランスデューサ。
JP2002545577A 2000-12-01 2001-09-06 小型超音波トランスデューサ Expired - Lifetime JP4067964B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US25077500P 2000-12-01 2000-12-01
PCT/US2001/042032 WO2002043593A1 (en) 2000-12-01 2001-09-06 Miniature ultrasound transducer

Publications (3)

Publication Number Publication Date
JP2004523259A JP2004523259A (ja) 2004-08-05
JP2004523259A5 true JP2004523259A5 (ja) 2005-08-18
JP4067964B2 JP4067964B2 (ja) 2008-03-26

Family

ID=22949089

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002545577A Expired - Lifetime JP4067964B2 (ja) 2000-12-01 2001-09-06 小型超音波トランスデューサ

Country Status (6)

Country Link
US (1) US6641540B2 (ja)
EP (1) EP1337184A1 (ja)
JP (1) JP4067964B2 (ja)
AU (2) AU8919601A (ja)
CA (1) CA2429940C (ja)
WO (1) WO2002043593A1 (ja)

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