JP2005296536A - 超音波探触子 - Google Patents
超音波探触子 Download PDFInfo
- Publication number
- JP2005296536A JP2005296536A JP2004121031A JP2004121031A JP2005296536A JP 2005296536 A JP2005296536 A JP 2005296536A JP 2004121031 A JP2004121031 A JP 2004121031A JP 2004121031 A JP2004121031 A JP 2004121031A JP 2005296536 A JP2005296536 A JP 2005296536A
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- JP
- Japan
- Prior art keywords
- ultrasonic probe
- shield case
- piezoelectric plate
- withstand voltage
- matching layer
- 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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Classifications
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- 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
- B06B1/067—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 which is used as, or combined with, an impedance matching layer
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Abstract
【構成】圧電板の外周側面をシールドケースで覆い、前記圧電板及び前記シールドケースを含めた超音波の送受波面に音響整合層を設けてなる超音波探触子において、前記シールドケースの少なくとも開口端面を含む先端側に耐電圧材を設けた構成とする。前記圧電板は遮蔽板によって分割され、前記遮蔽板の端面を含めた先端側に耐電圧材を設けた分割型の超音波探触子とする。また、前記耐電圧材はポリイミドテープとする。
【選択図】図1
Description
超音波探触子は例えば圧電板1、内ケース2、シールドケース3、外ケース4及び音響整合層5を備えてなる。圧電板1は両主面に図示しない駆動電極を有し、表面側の駆動電極は裏面側に接続部が延出する。そして、一対のリード線6が裏面側に接続する。
Claims (3)
- 圧電板の外周側面をシールドケースで覆い、前記圧電板及び前記シールドケースを含めた超音波の送受波面に音響整合層を設けてなる超音波探触子において、
前記シールドケースの少なくとも開口端面を含む先端側に耐電圧材を設けたことを特徴とする超音波探触子。 - 前記圧電板は遮蔽板によって分割され、前記遮蔽板の端面を含めた先端側に前記耐電圧材を設けた請求項1の超音波探触子。
- 前記耐電圧材はポリイミドテープである請求項1又は2の超音波探触子。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004121031A JP4551111B2 (ja) | 2004-04-16 | 2004-04-16 | 超音波探触子 |
| US11/102,058 US7187108B2 (en) | 2004-04-16 | 2005-04-08 | Ultrasonic probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004121031A JP4551111B2 (ja) | 2004-04-16 | 2004-04-16 | 超音波探触子 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005296536A true JP2005296536A (ja) | 2005-10-27 |
| JP4551111B2 JP4551111B2 (ja) | 2010-09-22 |
Family
ID=35135715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004121031A Expired - Lifetime JP4551111B2 (ja) | 2004-04-16 | 2004-04-16 | 超音波探触子 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US7187108B2 (ja) |
| JP (1) | JP4551111B2 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10743757B2 (en) | 2017-09-28 | 2020-08-18 | Nihon Dempa Kogyo Co., Ltd. | Ultrasonic transducer |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8456957B2 (en) * | 2008-01-29 | 2013-06-04 | Schneider Electric USA, Inc. | Ultrasonic transducer for a proximity sensor |
| US7804742B2 (en) * | 2008-01-29 | 2010-09-28 | Hyde Park Electronics Llc | Ultrasonic transducer for a proximity sensor |
| KR101145152B1 (ko) * | 2009-10-29 | 2012-05-15 | 삼성메디슨 주식회사 | 초음파 진단장치용 프로브 및 그 제조방법 |
| JP5411072B2 (ja) * | 2010-06-29 | 2014-02-12 | 株式会社日本自動車部品総合研究所 | 超音波センサ |
| US20120274182A1 (en) * | 2011-04-27 | 2012-11-01 | Tung Thih Electronic Co., Ltd. | Ultrasonic sensor |
| EP3295494B1 (en) * | 2015-05-11 | 2022-04-06 | Measurement Specialties, Inc. | Impedance matching layer for ultrasonic transducers with metallic protection structure |
| CN109562414B (zh) * | 2016-07-29 | 2021-02-26 | 皇家飞利浦有限公司 | 用于超声换能器的热和跌落冲击管理的系统、方法和装置 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07274297A (ja) * | 1994-03-25 | 1995-10-20 | Nippon Dempa Kogyo Co Ltd | 分割型の超音波探触子 |
| JPH09294300A (ja) * | 1996-04-26 | 1997-11-11 | Olympus Optical Co Ltd | 超音波探触子及びその製造方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4387720A (en) * | 1980-12-29 | 1983-06-14 | Hewlett-Packard Company | Transducer acoustic lens |
| JPS59225044A (ja) * | 1983-06-07 | 1984-12-18 | 松下電器産業株式会社 | 超音波トランスジユ−サ |
| US5577507A (en) * | 1994-11-21 | 1996-11-26 | General Electric Company | Compound lens for ultrasound transducer probe |
| JP3484358B2 (ja) | 1998-10-09 | 2004-01-06 | 日本電波工業株式会社 | 超音波探触子 |
| JP4118737B2 (ja) | 2002-06-03 | 2008-07-16 | 日本電波工業株式会社 | 超音波探触子 |
-
2004
- 2004-04-16 JP JP2004121031A patent/JP4551111B2/ja not_active Expired - Lifetime
-
2005
- 2005-04-08 US US11/102,058 patent/US7187108B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07274297A (ja) * | 1994-03-25 | 1995-10-20 | Nippon Dempa Kogyo Co Ltd | 分割型の超音波探触子 |
| JPH09294300A (ja) * | 1996-04-26 | 1997-11-11 | Olympus Optical Co Ltd | 超音波探触子及びその製造方法 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10743757B2 (en) | 2017-09-28 | 2020-08-18 | Nihon Dempa Kogyo Co., Ltd. | Ultrasonic transducer |
Also Published As
| Publication number | Publication date |
|---|---|
| US7187108B2 (en) | 2007-03-06 |
| US20050236930A1 (en) | 2005-10-27 |
| JP4551111B2 (ja) | 2010-09-22 |
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