• 제목/요약/키워드: Nano-Fabrication

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집속이온빔을 이용한 실리콘 나노 패터닝: 시뮬레이션과 가공 (Silicon Nano Patterning Using Focused ion Beam: Simulation and Fabrication)

  • 한진;민병권;이상조
    • 한국정밀공학회:학술대회논문집
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    • 한국정밀공학회 2006년도 춘계학술대회 논문집
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    • pp.489-490
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    • 2006
  • To establish fabrication techniques for nano structure understanding of focused ion beam (FIB) milling process is required. In this study the mathematical model containing the factors related to FIB milling is developed to acquire the optimal fabrication condition. Then, the model is verified by comparison with various nano pattern fabricated in actual FIB system. Consequently, it is demonstrated that the nano patterns with the smallest pitch can be fabricated using developed FIB milling model.

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Roll-to-Roll UV 나노 임프린팅 리소그래피에 의한 대면적 17인치의 나노 와이어 그리드의 제작 (Fabrication of a 17inch Area Size Nano-Wire Grid using Roll-to-Roll UV Nano-Imprinting Lithography)

  • 허종욱;남수용
    • 한국인쇄학회지
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    • 제29권3호
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    • pp.17-30
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    • 2011
  • The polarizer is an important optical element used in a variety of applications. Nano-wire grid polarizers in the form of sub-wavelength metallic gratings are an attractive alternative to conventional polarizers, because they provide high extinction ratio. This study has been carried out to fabrication of the 17inch area size nano-wire grid polarizer(NWGP) The master for NWGPs with a pitch of 200nm and the area size $730mm{\times}450mm$ were fabricated using laser interference lithography and aluminum sputtering and wet etching. And The NWGP fabrication process was using by the Roll to-Roll UV imprinting and was applied to flexible PET film. The results were a transmission of light (Tp) 46.7%, reflectance (Rs) 40.1% and Extinction ratio of above 16 for the visible light range.

Fabrication of silicon nano-ribbon and nano-FETs by using AFM anodic oxidation

  • 황민영;최창용;정지철;안정준;구상모
    • 한국전기전자재료학회:학술대회논문집
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    • 한국전기전자재료학회 2009년도 추계학술대회 논문집
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    • pp.54-54
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    • 2009
  • AFM anodic oxidation has the capability of patterning complex nano-patterns under relatively high speeds and low voltage. We report the fabrication using a atomic force microscopy (AFM) of silicon nano-ribbon and nano-field effect transistors (FETs). The fabricated nano-patterns have great potential characteristics in various fields due to their interesting electronic, optical and other profiles. The results shows that oxide width and the separation between the oxide patterns can be optimally controlled. The subsequently fabricated silicon nano-ribbon and nano-FET working devices were controled by various tip-sample bias-voltages and scan speed of AFM anodic oxidation. The results may be applied for highly integration circuits and sensitive optical sensor applications.

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양극산화 알루미늄막을 이용한 나노패턴 성형용 금형제작에 대한 연구 (A Study on the Fabrication of Nano-Pattern Mold Using Anodic Aluminum Oxide Membrane)

  • 오정길;김종선;강정진;김종덕;윤경환;황철진
    • 소성∙가공
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    • 제19권2호
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    • pp.73-78
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    • 2010
  • Recently, many researches on the development of super-hydrophobic surface have been concentrated on the fabrication of nano-patterned products. Nano-patterned mold is a key to replicate nano-patterned products by mass production process such as injection molding and UV molding. The present paper proposes the new fabricating method of nano-patterned mold at low cost. The nano-patterned mold was fabricated by electroforming the anodic aluminum oxide membrane filled with UV curable resin in nano-hole by capillary phenomenon. As a result, the final mold with nano-patterns which have the holes with the diameter of 100~200 nm was fabricated. Furthermore, the UV-molded products with clear nano- patterns which have the pillars with the diameter of 100~200nm were achieved.

Switching Issues for High Density MRAM

  • Kim K.;Cho Y.J.;Hwang I.J.;Kim K.S.;Jeong W.C.;Lee J.E.;Kim T W.
    • 한국자기학회:학술대회 개요집
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    • 한국자기학회 2005년도 동계학술연구발표회 및 2차 아시안포럼
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    • pp.216-216
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    • 2005
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집적도를 높인 평면형 가스감지소자 어레이 제작기술 (New Fabrication method of Planar Micro Gas Sesnor Array)

  • 정완영
    • 대한전자공학회:학술대회논문집
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    • 대한전자공학회 2003년도 하계종합학술대회 논문집 II
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    • pp.727-730
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    • 2003
  • Thin tin oxide film with nano-size particle was prepared on silicon substrate by hydrothermal synthetic method and successive sol-gel spin coating method. The fabrication method of tin oxide film with ultrafine nano-size crystalline structure was tried to be applied to fabrication of micro gas sensor array on silicon substrate. The tin oxide film on silicon substrate was well patterned by chemical etching upto 5${\mu}{\textrm}{m}$width and showed very uniform flatness. The tin oxide film preparation method and patterning method were successfully applied to newly proposed 2-dimensional micro sensor fabrication.

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AAO를 이용한 나노 패턴 마스터 제작에 관한 연구 (Study on Fabrication of Highly Ordered Nano Patterned Master by Using Anodic Aluminum Oxidation)

  • 신홍규;권종태;서영호;김병희
    • 한국소성가공학회:학술대회논문집
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    • 한국소성가공학회 2007년도 춘계학술대회 논문집
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    • pp.368-370
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    • 2007
  • AAO(Anodic Aluminum Oxidation) method has been known that it is practically useful for the fabrication of nano-structures and makes it possible to fabricate the highly ordered nano masters on large surface and even on the 2.5 or 3D surface at low cost comparing to the expensive e-beam lithography or the conventional silicon processing. In this study, by using the multi-step anodizing and etching processes, highly ordered nano patterned master with concave shapes was fabricated. By varying the processing parameters, such as initial matter and chemical conditions; electrical and thermal conditions; time scheduling; and so on, the size and the pitch of the nano pattern can be controlled. Consequently, various alumina/aluminum nano structures can be easily available in any size and shape by optimized anodic oxidation in various aqueous acids. The resulting good filled uniform nano molded structure through hot embossing molding process shows the validity of the fabricated nano pattern masters.

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