JP5006095B2 - 超音波探触子 - Google Patents
超音波探触子 Download PDFInfo
- Publication number
- JP5006095B2 JP5006095B2 JP2007106926A JP2007106926A JP5006095B2 JP 5006095 B2 JP5006095 B2 JP 5006095B2 JP 2007106926 A JP2007106926 A JP 2007106926A JP 2007106926 A JP2007106926 A JP 2007106926A JP 5006095 B2 JP5006095 B2 JP 5006095B2
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- Prior art keywords
- layer
- matching
- matching layer
- elements
- acoustic impedance
- 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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- Ultra Sonic Daignosis Equipment (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Description
Claims (1)
- 水平方向に配列された複数の振動素子からなる振動素子アレイと、
前記振動素子アレイの上側に設けられ、前記複数の振動素子に対応した配列を有する複数の第1整合素子で構成された素子カット型第1整合層と、
前記第1整合層の上側に設けられた複合型第2整合層と、
前記第2整合層の上側に設けられ、水平方向に一様に連続したゴム系材料からなる軟質層としてのゴム系連続型第3整合層と、
前記第3整合層の上側に設けられ、水平方向に一様に連続した音響レンズと、
を含み、
前記第1整合層、前記第2整合層、前記第3整合層及び前記音響レンズの順で音響インピーダンスが生体の音響インピーダンスに近付けられ、
前記第2整合層は前記第3整合層よりも硬い硬質層であり、
前記第2整合層は、
前記複数の振動素子に対応した配列を有する複数の第2整合素子からなる下層と、
前記下層に接着され前記下層とは異なる材料によって構成された層であって、前記複数の第2整合素子に跨ってそれらの上面に接合される下面と、前記第3整合層の下面に接合される上面と、を有し、水平方向に一様に連続した上層と、
を含み、
前記下層における各第2整合素子の音響インピーダンスと前記上層の音響インピーダンスが実質的に同一であり、前記第2整合層の上下方向の厚みが超音波の波長に対する整合条件を満たし、
それ全体が実質的に同一の音響インピーダンスを有し且つそれ全体が単一の整合層として機能する前記第2整合層の中に異種構造接合面が設けられた、ことを特徴とする超音波探触子。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007106926A JP5006095B2 (ja) | 2007-04-16 | 2007-04-16 | 超音波探触子 |
Applications Claiming Priority (1)
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---|---|---|---|
JP2007106926A JP5006095B2 (ja) | 2007-04-16 | 2007-04-16 | 超音波探触子 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012090707A Division JP5681662B2 (ja) | 2012-04-12 | 2012-04-12 | 超音波探触子 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008270868A JP2008270868A (ja) | 2008-11-06 |
JP5006095B2 true JP5006095B2 (ja) | 2012-08-22 |
Family
ID=40049854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007106926A Active JP5006095B2 (ja) | 2007-04-16 | 2007-04-16 | 超音波探触子 |
Country Status (1)
Country | Link |
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JP (1) | JP5006095B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5261152B2 (ja) * | 2008-11-27 | 2013-08-14 | 日立アロカメディカル株式会社 | 超音波振動子 |
US7905007B2 (en) * | 2009-03-18 | 2011-03-15 | General Electric Company | Method for forming a matching layer structure of an acoustic stack |
JP6326833B2 (ja) * | 2014-01-31 | 2018-05-23 | セイコーエプソン株式会社 | 超音波デバイス、超音波デバイスの製造方法、プローブ、電子機器、超音波画像装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58103369U (ja) * | 1981-12-30 | 1983-07-14 | 株式会社島津製作所 | 超音波探触子 |
JPS60128796A (ja) * | 1983-12-16 | 1985-07-09 | Toshiba Corp | 超音波プロ−ブ |
JPS62233149A (ja) * | 1986-04-02 | 1987-10-13 | 松下電器産業株式会社 | 超音波探触子 |
JPH10253604A (ja) * | 1997-03-07 | 1998-09-25 | Matsushita Electric Ind Co Ltd | 超音波探触子 |
JP2001069594A (ja) * | 1999-08-26 | 2001-03-16 | Matsushita Electric Ind Co Ltd | 超音波探触子 |
JP2001245883A (ja) * | 2000-03-07 | 2001-09-11 | Matsushita Electric Ind Co Ltd | 超音波探触子 |
JP4439851B2 (ja) * | 2003-08-19 | 2010-03-24 | 株式会社オークソニック | 配列型の超音波探触子およびその製造方法 |
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2007
- 2007-04-16 JP JP2007106926A patent/JP5006095B2/ja active Active
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