KR101891401B1 - 미세유체 소자 및 이의 제조방법 - Google Patents
미세유체 소자 및 이의 제조방법 Download PDFInfo
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- KR101891401B1 KR101891401B1 KR1020160116705A KR20160116705A KR101891401B1 KR 101891401 B1 KR101891401 B1 KR 101891401B1 KR 1020160116705 A KR1020160116705 A KR 1020160116705A KR 20160116705 A KR20160116705 A KR 20160116705A KR 101891401 B1 KR101891401 B1 KR 101891401B1
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- substrate
- channel
- conductive
- transducer
- microfluidic device
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- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
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- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
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- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
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Abstract
본 발명은, 미세입자의 속성에 따라 탄성파의 제어가 가능하고, 고가의 장비와 복잡한 공정 절차 없이 제작이 가능한 탄성파 기판 미세유체 소자를 제공할 수 있다.
Description
도 1b는, 본 발명의 일 실시예에 따른, 본 발명에 의한 미세유체 소자를 예시적으로 나탄내 것이다.
도 1c는, 본 발명의 일 실시예에 따른, 본 발명에 의한 미세유체 소자에 의한 정상 표면 탄성파를 예시적으로 나타낸 것이다.
도 1d는, 본 발명의 일 실시예에 따른, 본 발명에 의한 미세유체 소자에 의한 입자 제어를 예시적으로 나타낸 것이다.
도 1e는, 본 발명의 다른 실시예에 따른, 본 발명에 의한 미세유체 소자를 예시적으로 나타낸 것이다.
도 2a는, 본 발명의 일 실시예에 따른, 본 발명에 의한 미세유체 소자의 제조방법의 흐름도를 예시적으로 나타낸 것이다.
도 2b는, 본 발명의 일 실시예에 따른, 본 발명에 의한 미세유체 소자의 제조방법의 공정을 예시적으로 나타낸 것이다.
도 2c는, 본 발명의 일 실시에에 따른, 본 발명에 의한 전도성 미세유동 채널의 형성단계를 예시적으로 나탄내 것이다.
도 3은, 본 발명의 실시예 1에 따른, 본 발명에 의한 미세유체 소자를 이용한 선형 패터닝 실험 결과를 나타낸 것이다.
도 4는, 본 발명의 실시예 2에 따른, 본 발명에 의한 미세유체 소자를 이용한 선형 농축 실험 결과를 나타낸 것이다.
도 5는, 본 발명의 실시예 3에 따른, 본 발명에 의한 미세유체 소자를 이용한 직교모드의 표면 탄성파의 미세입자 배열의 실험 결과를 나타낸 것이다.
Claims (14)
- 제1 기판층;
상기 제1 기판층의 적어도 일면에 형성된 제2 기판층; 및
상기 제1 기판층의 표면에 형성되고, 상기 제2 기판층 내에 내재된 복수개의 트랜스듀서(transducer);
를 포함하고,
상기 트랜스듀서는, 전도성 미세유동 채널을 포함하고,
상기 제1 기판층 상에 형성되고, 상기 제2 기판층 내에 내재된 제어대상 채널을 포함하고,
상기 제어대상 채널은, 제어대상 유체가 흐르는 미세유동 채널을 포함하고,
전도성 물질의 농도, 점성, 또는 주입량을 조절하여 인가된 전기 에너지 대비 탄성파의 변환 비율; 탄성파의 세기, 또는 탄성파의 파장을 제어하는 것인, 미세유체 소자.
- 제1항에 있어서,
상기 전도성 미세유동 채널은, 전도성 채널층(electrically conducting channel layer)을 포함하고,
상기 전도성 채널층은, 상기 전도성 미세유동 채널의 일부분 또는 전체를 차지하는 전도성 물질을 포함하는 것인, 미세유체 소자.
- 제2항에 있어서,
상기 전도성 채널층은, 액상의 전도성 물질; 또는 전도성 물질을 포함하는 용액, 현탁액, 또는 페이스트; 를 포함하는 것인, 미세유체 소자.
- 제2항에 있어서,
상기 전도성 물질은, Ag, Pt, Au, Mg, Al, Zn, Fe, Cu, Ni 및 Pd의 금속입자; 무기 및 고분자 전해질; 인듐(In), 주석(Sn), 아연(Zn), 갈륨(Ga), 세륨(Ce), 카드뮴(Cd), 마그네슘(Mg), 베릴륨(Be), 은(Ag), 몰리브덴(Mo), 바나듐(V), 구리(Cu), 이리듐(Ir), 로듐(Rh), 루세늄(Ru), 텅스텐(W), 코발트(Co), 니켈(Ni), 망간(Mn), 알루미늄(Al), 및 란탄(La) 중에서 선택된 1종 이상을 포함하는 전도성 산화물 또는 이들의 합금; 및 탄소나노튜브, 탄소분말, 그래핀 및 흑연의 탄소물질; 로 이루어진 군에서 선택된 1종 이상을 포함하는 것인, 미세유체 소자.
- 삭제
- 제1항에 있어서,
상기 제1 기판은, 압전체 기판 또는 압전체 코팅층을 포함하는 플렉서블한 기판이고,
상기 압전체 기판 및 상기 압전체 코팅층은, α-AlPO4(Berlnite), α-SiO2(Quartz), LiTaO3, LiNbO3, SrxBayNb2O8, Pb5-Ge3O11, Tb2(MoO4)3, Li2B4O7, Bi12SiO20, Bi12GeO2, PZT(lead zirconate titanate), BTO(barium titanate), BFO(bismuth ferric oxide), PTO(platinum oxide), ZnO, CdS, GaN, AlN, VDF, ZnMgO, InN, GeTe, ZnSnO3, KNbO3, NaNBO3, P(VDF-TrFe), P(VDFTeFE), TGS, PZT-PVDF, PZT-실리콘 러버, PZT-에폭시, PZT-발포폴리머, PZT-발포우레탄, 및 PVDF(polyvinylidene difluoride)로 이루어진 군에서 선택된 1종 이상을 포함하는 것인, 미세유체 소자.
- 제1항에 있어서,
상기 제2 기판층은, 광경화성 폴리머, 열경화성 폴리머 또는 이 둘을 포함하고,
상기 제2 기판층은, 투명 폴리머 기판인 것인, 미세유체 소자.
- 제1항에 있어서,
상기 트랜스듀서에 교류전압 신호의 입력을 위한 전압입력 단자; 를 더 포함하는 것인, 미세유체 소자.
- 제1항에 있어서,
상기 트랜스듀서는, 상기 전도성 미세유동 채널과 상기 제1 기판층이 상호작용하여 인가된 전기 에너지를 탄성파로 변환하고,
상기 탄성파는, 표면 탄성파 또는 벌크 탄성파인 것인, 미세유체 소자.
- 삭제
- 제1항에 있어서,
상기 트랜스듀서는, 한 쌍 이상의 서로 마주보는 트랜스듀서 페어를 포함하고,
상기 트랜스듀서 페어는, 제어대상 채널을 중심으로 탄성파가 교차되도록 배치되는 것인, 미세유체 소자.
- 제1 기판을 준비하는 단계;
제2 기판의 트랜스듀서 영역 및 제어대상 채널 영역에 미세유동 채널 형태의 트렌치를 형성하는 단계;
상기 제1 기판의 일면에, 상기 제2 기판의 트렌치가 형성된 면을 배치시키는 단계;
상기 제1 기판과 제2 기판을 비가역적으로 접합하는 단계; 및
상기 트랜스듀서 영역에 형성된 미세유동 채널의 일부분 또는 전체를 전도성 물질로 채워 전도성 미세유동 채널을 형성하는 단계;
를 포함하고,
상기 전도성 물질의 농도, 점성, 또는 주입량을 조절하여 인가된 전기 에너지 대비 탄성파의 변환 비율; 탄성파의 세기, 또는 탄성파의 파장을 제어하는 것인, 미세유체 소자의 제조방법.
- 제12항에 있어서,
상기 미세유동 채널 형태의 트렌치를 형성하는 단계는, 마스크 패턴에 의한 포토 리쏘그래피 또는 몰드 공법을 이용하는 것인, 미세유체 소자의 제조방법.
- 제12항에 있어서,
상기 배치시키는 단계 이전에, 상기 제1 기판, 상기 제2 기판 또는 이 둘의 적어도 일면에 플라즈마 표면처리하는 단계; 를 더 포함하는 것인, 미세유체 소자의 제조방법.
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PCT/KR2017/003865 WO2018030609A1 (ko) | 2016-08-12 | 2017-04-10 | 미세유체 소자 및 이의 제조방법 |
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ITTO20070554A1 (it) * | 2007-07-26 | 2009-01-27 | Fond Istituto Italiano Di Tec | Dispositivo per il controllo del moto di fluidi in micro o nanocanali tramite onde acustiche superficiali. |
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