KR101906967B1 - 나노갭 센서 및 이의 제조 방법 - Google Patents
나노갭 센서 및 이의 제조 방법 Download PDFInfo
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- KR101906967B1 KR101906967B1 KR1020120035600A KR20120035600A KR101906967B1 KR 101906967 B1 KR101906967 B1 KR 101906967B1 KR 1020120035600 A KR1020120035600 A KR 1020120035600A KR 20120035600 A KR20120035600 A KR 20120035600A KR 101906967 B1 KR101906967 B1 KR 101906967B1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y15/00—Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/1023—Microstructural devices for non-optical measurement
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- 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
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- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/483—Physical analysis of biological material
- G01N33/487—Physical analysis of biological material of liquid biological material
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- G01N33/48721—Investigating individual macromolecules, e.g. by translocation through nanopores
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Abstract
Description
도 2는 도 1의 나노갭 센서의 A-A'단면도이다.
도 3은 다른 실시예에 따른 나노갭 센서의 개략적인 구조를 보이는 단면도이다.
도 4a 내지 도 4l은 실시예에 따른 나노갭 센서의 제조방법을 설명하는 도면들이다.
도 5a 내지 도 5h는 다른 실시예에 따른 나노갭 센서의 제조방법을 설명하는 도면들이다.
115...개구 120...마이크로포어층
125...마이크로포어 130...그래핀 시트
132...불활성영역 134...나노전극영역
141...제1전극 142...제2전극
151...제1 전극패드 152...제2 전극패드
210...수조 241...제3전극
242...제4전극
Claims (22)
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 기판 상에 절연물질로 이루어진 마이크로포어층을 형성하는 단계;
상기 마이크로포어층 상에 그래핀으로 이루어진 나노 전극을 형성하는 단계;
상기 마이크로포어층을 관통하는 마이크로포어(micropore)를 형성하는 단계; 및
상기 나노 전극을 관통하며 상기 마이크로포어와 마주하는 나노갭(nanoogap)을 형성하는 단계:를 포함하며,
상기 나노 전극을 형성하는 단계는
상기 마이크로포어층 상에 그래핀 시트를 형성하는 단계;
상기 그래핀 시트가 물리적으로는 수 마이크론 크기의 폭을 가지고 전기적으로는 나노 크기의 폭을 가지도록, 상기 그래핀 시트의 영역 중 일부 영역을 전기적으로 불활성화시키는 단계;를 포함하며,
상기 일부 영역을 전기적으로 불활성화시키는 단계는
상기 그래핀 시트 상에 금속층을 형성하는 단계;
상기 금속층을 소정의 나노 영역 및 상기 나노 영역 양단에 각각 연결되는 제1전극과 제2전극을 포함하는 형상으로 패터닝하여 상기 그래핀 시트상의 일부 영역을 노출시키는 단계;
상기 일부 영역을 표면 처리하여 불활성영역을 형성하는 단계;
상기 금속층에서 상기 나노 영역 부분을 식각하는 단계;를 포함하는, 나노갭 센서 제조방법. - 삭제
- 제15항에 있어서,
상기 표면 처리는 F, Cl, 또는 Br을 사용하는, 나노갭 센서 제조방법. - 제15항에 있어서,
상기 금속층을 패터닝할 때, 전자빔 리소그라피(electron beam lithography) 방법을 사용하는 나노갭 센서 제조방법. - 제15항에 있어서,
상기 금속층에서 상기 나노 영역 부분을 식각하는 단계 이전에,
상기 제1전극 및 제2전극에 각각 연결되는 제1 전극패드 및 제2 전극패드를 형성하는 단계;를 더 포함하는 나노갭 센서 제조방법. - 제15항에 있어서,
상기 금속층에서 상기 나노 영역 부분을 식각하는 단계 이전에,
상기 제1전극 및 제2전극에 각각 연결되는 제1 전극패드 및 제2 전극패드를 형성하는 단계;를 더 포함하는 나노갭 센서 제조방법. - 제20항에 있어서,
상기 제1 전극패드 및 제2 전극패드를 형성하는 단계에서 포토 리소그라피(photo lithography) 공정을 사용하는 나노갭 센서 제조방법. - 제15항에 있어서,
상기 나노갭을 형성하는 단계는
TEM(transmission electron microscope) 장비를 이용하는 나노갭 센서 제조방법.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020120035600A KR101906967B1 (ko) | 2012-04-05 | 2012-04-05 | 나노갭 센서 및 이의 제조 방법 |
| US13/605,711 US9068914B2 (en) | 2012-04-05 | 2012-09-06 | Nanogap sensor and method of manufacturing the same |
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| KR1020120035600A KR101906967B1 (ko) | 2012-04-05 | 2012-04-05 | 나노갭 센서 및 이의 제조 방법 |
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| Publication Number | Publication Date |
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| KR20130113206A KR20130113206A (ko) | 2013-10-15 |
| KR101906967B1 true KR101906967B1 (ko) | 2018-10-11 |
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| KR1020120035600A Active KR101906967B1 (ko) | 2012-04-05 | 2012-04-05 | 나노갭 센서 및 이의 제조 방법 |
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| US10029915B2 (en) | 2012-04-04 | 2018-07-24 | International Business Machines Corporation | Functionally switchable self-assembled coating compound for controlling translocation of molecule through nanopores |
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| WO2015077751A1 (en) * | 2013-11-25 | 2015-05-28 | Northeastern University | Freestanding ultra thin membranes and transfer-free fabrication thereof |
| KR101489154B1 (ko) | 2014-06-26 | 2015-02-03 | 국민대학교산학협력단 | 잔류응력을 이용한 나노갭 센서의 제조방법 및 이에 의해 제조되는 나노갭 센서 |
| CN112816679B (zh) * | 2015-02-05 | 2024-05-28 | 哈佛大学校长及研究员协会 | 一种用于感测分子穿过纳米孔的移位的方法 |
| US11163022B2 (en) | 2015-06-12 | 2021-11-02 | Allegro Microsystems, Llc | Magnetic field sensor for angle detection with a phase-locked loop |
| CN108700542A (zh) * | 2015-12-14 | 2018-10-23 | 瓦伦汀·杜布瓦 | 裂纹结构、使用裂纹结构的隧穿结以及制作其的方法 |
| GB201610187D0 (en) * | 2016-06-10 | 2016-07-27 | Univ Leiden And Stichting Voor Fundamenteel Onderzoek Der Materie | Method |
| US10168299B2 (en) | 2016-07-15 | 2019-01-01 | International Business Machines Corporation | Reproducible and manufacturable nanogaps for embedded transverse electrode pairs in nanochannels |
| CN108470777B (zh) * | 2018-03-13 | 2020-01-07 | 华东师范大学 | 用于透射电镜原位通电芯片的拥有纳米级间距小电极的材料测试单元制备方法 |
| CN110797457B (zh) * | 2019-10-22 | 2021-10-12 | 华东师范大学 | 一种多层存储结构透射电子显微镜原位电学测试单元制备方法 |
| US12011715B2 (en) | 2020-11-11 | 2024-06-18 | International Business Machines Corporation | Tailorable electrode capping for microfluidic devices |
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| US9068914B2 (en) | 2015-06-30 |
| US20130265031A1 (en) | 2013-10-10 |
| KR20130113206A (ko) | 2013-10-15 |
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