KR20060021026A - 고주파 초음파 센서용 음향 정합층 및 그를 이용한 초음파센서의 제조 방법 - Google Patents
고주파 초음파 센서용 음향 정합층 및 그를 이용한 초음파센서의 제조 방법 Download PDFInfo
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- KR20060021026A KR20060021026A KR1020040069824A KR20040069824A KR20060021026A KR 20060021026 A KR20060021026 A KR 20060021026A KR 1020040069824 A KR1020040069824 A KR 1020040069824A KR 20040069824 A KR20040069824 A KR 20040069824A KR 20060021026 A KR20060021026 A KR 20060021026A
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- matching layer
- ultrasonic sensor
- acoustic
- acoustic impedance
- thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/24—Probes
- G01N29/2437—Piezoelectric probes
- G01N29/245—Ceramic probes, e.g. lead zirconate titanate [PZT] probes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/9501—Semiconductor wafers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
- G01N27/128—Microapparatus
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- 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
- G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
- G10K11/025—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators horns for impedance matching
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- Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Ceramic Engineering (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Transducers For Ultrasonic Waves (AREA)
Abstract
Description
Claims (3)
- 압전 세라믹 및 상기 압전 세라믹의 일면에 도포되는 텅스턴이 섞인 고무 재질의 후면재를 포함하여 구성되며, 결합재와의 임피던스 정합을 위한 고주파 초음파 센서의 음향 정합층에 있어서,상기 압전 세라믹의 다른 일면에 접합되도록 배치되며, 그 두께는 파장의 1/4이고, 실리콘 웨이퍼 재질인 제 1정합층;상기 결합재와 접합되는 지연재-상대적으로 그 음향 임피던스 및 결합계수가 낮음-; 및상기 제 1정합층과 상기 지연재 사이에 접합되도록 배치되며, 그 두께는 파장의 1/4이고, 에폭시 복합재 재질인 제 2정합층을 포함하는 고주파 초음파 센서용 음향 정합층.
- 초음파 센서의 제조 방법에 있어서,실리콘 웨이퍼의 일면에 에폭시 복합재를 파장의 1/4 두께가 되도록 도포하여 형성하는 단계;상기 실리콘 웨이퍼를 파장의 1/4 두께가 되도록 연마하는 단계; 및연마된 면에 전극 패턴과 스크라이빙 라인을 형성하고, 상기 실리콘 웨이퍼에 도포한 후, 압전 세라믹을 부착하는 단계를 포함하는 초음파 센서의 제조 방법.
Priority Applications (1)
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KR1020040069824A KR100671419B1 (ko) | 2004-09-02 | 2004-09-02 | 고주파 초음파 센서용 음향 정합층 및 그를 이용한 초음파센서의 제조 방법 |
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KR1020040069824A KR100671419B1 (ko) | 2004-09-02 | 2004-09-02 | 고주파 초음파 센서용 음향 정합층 및 그를 이용한 초음파센서의 제조 방법 |
Publications (2)
Publication Number | Publication Date |
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KR20060021026A true KR20060021026A (ko) | 2006-03-07 |
KR100671419B1 KR100671419B1 (ko) | 2007-01-18 |
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KR1020040069824A KR100671419B1 (ko) | 2004-09-02 | 2004-09-02 | 고주파 초음파 센서용 음향 정합층 및 그를 이용한 초음파센서의 제조 방법 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100794205B1 (ko) * | 2006-07-08 | 2008-01-11 | 센서텍(주) | 초음파 센서 |
KR20150114307A (ko) | 2014-04-01 | 2015-10-12 | 알피니언메디칼시스템 주식회사 | 의료용 초음파 프로브 |
KR20160124156A (ko) * | 2014-02-23 | 2016-10-26 | 퀄컴 인코포레이티드 | 초음파 인증 버튼 |
CN107227968A (zh) * | 2017-07-27 | 2017-10-03 | 贵州大学 | 一种自检锚杆及其使用方法 |
US10481288B2 (en) | 2015-10-02 | 2019-11-19 | Halliburton Energy Services, Inc. | Ultrasonic transducer with improved backing element |
KR102272163B1 (ko) * | 2019-12-30 | 2021-07-05 | 한국원자력연구원 | 구조물 두께 측정 장치 및 방법 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20200082147A (ko) | 2018-12-28 | 2020-07-08 | 현대자동차주식회사 | 차량용 초음파 센서 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4976150A (en) | 1986-12-30 | 1990-12-11 | Bethlehem Steel Corporation | Ultrasonic transducers |
US5541468A (en) | 1994-11-21 | 1996-07-30 | General Electric Company | Monolithic transducer array case and method for its manufacture |
US5488957A (en) | 1994-11-21 | 1996-02-06 | General Electric Company | System and method for promoting adhesion between lens and matching layer of ultrasonic transducer |
KR19990078789A (ko) * | 1999-08-07 | 1999-11-05 | 한진호 | 플라즈마 에칭을 이용한 의료용 초음파 탐촉자 |
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2004
- 2004-09-02 KR KR1020040069824A patent/KR100671419B1/ko active IP Right Grant
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100794205B1 (ko) * | 2006-07-08 | 2008-01-11 | 센서텍(주) | 초음파 센서 |
KR20160124156A (ko) * | 2014-02-23 | 2016-10-26 | 퀄컴 인코포레이티드 | 초음파 인증 버튼 |
KR20150114307A (ko) | 2014-04-01 | 2015-10-12 | 알피니언메디칼시스템 주식회사 | 의료용 초음파 프로브 |
US10481288B2 (en) | 2015-10-02 | 2019-11-19 | Halliburton Energy Services, Inc. | Ultrasonic transducer with improved backing element |
CN107227968A (zh) * | 2017-07-27 | 2017-10-03 | 贵州大学 | 一种自检锚杆及其使用方法 |
CN107227968B (zh) * | 2017-07-27 | 2023-06-16 | 贵州大学 | 一种自检锚杆及其使用方法 |
KR102272163B1 (ko) * | 2019-12-30 | 2021-07-05 | 한국원자력연구원 | 구조물 두께 측정 장치 및 방법 |
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KR100671419B1 (ko) | 2007-01-18 |
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