KR101711204B1 - 단일입력 다중출력 표면탄성파 디바이스 - Google Patents
단일입력 다중출력 표면탄성파 디바이스 Download PDFInfo
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- KR101711204B1 KR101711204B1 KR1020100106534A KR20100106534A KR101711204B1 KR 101711204 B1 KR101711204 B1 KR 101711204B1 KR 1020100106534 A KR1020100106534 A KR 1020100106534A KR 20100106534 A KR20100106534 A KR 20100106534A KR 101711204 B1 KR101711204 B1 KR 101711204B1
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/25—Constructional features of resonators using surface acoustic waves
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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
- G01N29/02—Analysing fluids
- G01N29/022—Fluid sensors based on microsensors, e.g. quartz crystal-microbalance [QCM], surface acoustic wave [SAW] devices, tuning forks, cantilevers, flexural plate wave [FPW] devices
-
- 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
- G01N29/02—Analysing fluids
- G01N29/036—Analysing fluids by measuring frequency or resonance of acoustic waves
-
- 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
- G01N29/32—Arrangements for suppressing undesired influences, e.g. temperature or pressure variations, compensating for signal noise
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6423—Means for obtaining a particular transfer characteristic
- H03H9/6433—Coupled resonator filters
- H03H9/644—Coupled resonator filters having two acoustic tracks
- H03H9/6443—Coupled resonator filters having two acoustic tracks being acoustically coupled
- H03H9/6453—Coupled resonator filters having two acoustic tracks being acoustically coupled by at least an interdigital transducer overlapping both tracks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/025—Change of phase or condition
- G01N2291/0255—(Bio)chemical reactions, e.g. on biosensors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/025—Change of phase or condition
- G01N2291/0256—Adsorption, desorption, surface mass change, e.g. on biosensors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/04—Wave modes and trajectories
- G01N2291/042—Wave modes
- G01N2291/0423—Surface waves, e.g. Rayleigh waves, Love waves
-
- 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
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
Description
도 2는 종래기술에 따른 SAW 디바이스의 모식도이다;
도 3은 입력 IDT의 삽입손실에 대한 시뮬레이션 결과이다;
도 4는 본 발명의 제2 예에 따른 SAW 디바이스의 모식도이다;
도 5는 본 발명의 제3 예에 따른 SAW 디바이스의 모식도이다;
도 6은 본 발명의 실시예 1에 따라 4개의 SAW 단위센서(S1, S2, S3, S4)를 포함하는 SAW 센서의 모식도이다;
도 7은 실험예 1에 따라 4개의 SAW 단위센서(S1, S2, S3, S4)에서 입력에 대한 출력(Output1, Output2, Output3, Output4)의 주파수 특성을 측정한 결과를 모두 나타낸 결과이다;
도 8 내지 11은 실험예 1에서 입력에 대한 출력(Output1, Output2, Output3, Output4)의 주파수를 측정한 결과를 개별적으로 나타낸 결과이다(도 8: 센서S1의 출력 주파수(Output1), 도 9: 센서S2의 출력 주파수(Output2), 도 10: 센서S3의 출력 주파수(Output3), 도 11: 센서S4의 출력 주파수(Output4));
도 12는 실험예 2에서 대각선 방향의 단위센서(S2, S3)의 출력 IDT 간의 간섭을 측정한 결과이다;
도 13는 실험예 2에서 대응하는 방향의 단위센서(S2, S4)의 출력 IDT 간의 간섭을 측정한 결과이다;
도 14는 실험예 2에서 인접한 방향의 단위센서(S3, S4)의 출력 IDT 간의 간섭을 측정한 결과이다;
도 15는 실험예 3에 따른 SAW 바이오센서의 단면도이다;
도 16은 실험예 3에 따라 4개의 단위센서(S1, S2, S3, S4)에 리셉터와 타겟물질 반응에 의한 입출력 사이의 주파수 특성을 측정한 결과이다;
도 17은 실험예 3의 결과에서 기준 센서 대비 농도 별 주파수 감소량을 나타낸 그래프이다.
<도면의 주요 부호에 대한 설명>
100, 101, 102: SAW 디바이스
110: 압전 기판
121: 입력 IDT
131a, 132a, 133a, 134a, 131b, 132b, 133b, 134b: 출력 IDT
141a, 142a, 143a, 144a, 141b, 142b, 143b, 144b: 지연선부
Claims (15)
- 압전 기판,
상기 압전 기판에 형성되어 전기적 신호를 표면탄성파 신호로 변환하는 단일 입력 IDT(Inter Digital Transducer),
상기 단일 입력 IDT의 횡 방향으로 나란히 배열되고, 상기 압전 기판에 형성되어 표면탄성파 신호를 다시 전기적 신호로 변환하는 2 이상의 출력 IDT, 및
상기 입력 IDT와 상기 출력 IDT 사이에 있는 지연선부를 포함하되,
상기 입력 IDT의 핑거의 길이(Win )는 입력 IDT의 삽입손실(insertion loss, IL)이 -30dB가 되는 길이로서 300λ 미만이고,
상기 입력 IDT의 핑거의 길이(Win ) 및 상기 출력 IDT의 핑거의 길이(Wout )와 상기 출력 IDT 의 개수(m)와의 관계는 하기 식 (2)으로 표현되는, 표면탄성파 디바이스.
(2) - 삭제
- 삭제
- 삭제
- 제 1 항에 있어서,
상기 출력 IDT의 핑거의 길이(Wout )가 50 λ일 때, 상기 단일 입력 IDT에 대한 출력 IDT 의 개수는 2 ~ 12인, 표면탄성파 디바이스. - 제 1 항에 있어서,
상기 표면탄성파는 러브파(Love wave) 인, 표면탄성파 디바이스. - 제 6 항에 있어서,
상기 압전 기판 상에 유전체막 또는 폴리머가 형성된, 표면탄성파 디바이스. - 제 1 항에 있어서,
외부 공진자가 상기 입력 IDT 에 연결되어 있는, 표면탄성파 디바이스. - 제 1 항에 있어서,
상기 출력 IDT 들이 형성된 방향에 대하여 입력 IDT을 중심으로 대향하는 방향에 출력 IDT 들이 더욱 형성되어 있는, 표면탄성파 디바이스. - 제 1 항에 있어서,
상기 지연선부에는 타겟 물질에 대하여 특이적으로 반응하는 리셉터가 형성된 표면탄성파 센서인, 표면탄성파 디바이스. - 삭제
- 삭제
- 삭제
- 삭제
- 삭제
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020100106534A KR101711204B1 (ko) | 2010-10-29 | 2010-10-29 | 단일입력 다중출력 표면탄성파 디바이스 |
| US13/172,431 US8695428B2 (en) | 2010-10-29 | 2011-06-29 | Single input multi-output surface acoustic wave device |
| EP11181086.7A EP2447713B1 (en) | 2010-10-29 | 2011-09-13 | Single-input multi-output surface acoustic wave device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020100106534A KR101711204B1 (ko) | 2010-10-29 | 2010-10-29 | 단일입력 다중출력 표면탄성파 디바이스 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20120045167A KR20120045167A (ko) | 2012-05-09 |
| KR101711204B1 true KR101711204B1 (ko) | 2017-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020100106534A Expired - Fee Related KR101711204B1 (ko) | 2010-10-29 | 2010-10-29 | 단일입력 다중출력 표면탄성파 디바이스 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US8695428B2 (ko) |
| EP (1) | EP2447713B1 (ko) |
| KR (1) | KR101711204B1 (ko) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2557420B1 (en) * | 2011-08-12 | 2015-10-14 | Nxp B.V. | Semiconductor device having Au-Cu electrodes and method of manufacturing semiconductor device |
| WO2013182229A1 (en) * | 2012-06-05 | 2013-12-12 | Epcos Ag | Saw filter with improved stop band suppression |
| KR101911437B1 (ko) * | 2012-06-27 | 2018-10-24 | 삼성전자주식회사 | Saw 배열 센서 |
| US9726646B1 (en) * | 2013-05-29 | 2017-08-08 | National Technology & Engineering Solutions Of Sandia, Llc | Resonant surface acoustic wave chemical detector |
| CN103490135B (zh) * | 2013-09-12 | 2015-07-15 | 电子科技大学 | Ltcc延迟线组件 |
| WO2017151869A1 (en) * | 2016-03-02 | 2017-09-08 | Cornell University | Surface acoustic wave (saw)-based inertial sensor, methods, and applications |
| WO2018003282A1 (ja) * | 2016-06-28 | 2018-01-04 | 株式会社村田製作所 | 弾性波装置 |
| CN108896665A (zh) * | 2018-08-27 | 2018-11-27 | 国网山东省电力公司电力科学研究院 | 工作场所防噪耳塞的适用性评估方法 |
| CN116315533A (zh) * | 2023-02-08 | 2023-06-23 | 西安交通大学 | 一种谐振器及紧凑型极窄带高温超导滤波器 |
| DE102023119113B3 (de) | 2023-07-19 | 2024-10-31 | Leibniz-Institut für Festkörper- und Werkstoffforschung Dresden e.V. (IFW Dresden e.V.) | Modulare Vorrichtung zur Bestimmung von richtungsabhängigen Eigenschaften von Schichten und Schichtsystemen |
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| JP2006258768A (ja) * | 2005-03-18 | 2006-09-28 | Japan Radio Co Ltd | 弾性波センサ |
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2010
- 2010-10-29 KR KR1020100106534A patent/KR101711204B1/ko not_active Expired - Fee Related
-
2011
- 2011-06-29 US US13/172,431 patent/US8695428B2/en not_active Expired - Fee Related
- 2011-09-13 EP EP11181086.7A patent/EP2447713B1/en not_active Not-in-force
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| JP2006258768A (ja) * | 2005-03-18 | 2006-09-28 | Japan Radio Co Ltd | 弾性波センサ |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2447713A2 (en) | 2012-05-02 |
| KR20120045167A (ko) | 2012-05-09 |
| US8695428B2 (en) | 2014-04-15 |
| US20120105174A1 (en) | 2012-05-03 |
| EP2447713B1 (en) | 2017-11-08 |
| EP2447713A3 (en) | 2013-04-24 |
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