• Title/Summary/Keyword: Nano fountain-pen

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Numerical Analysis of the Flow Characteristics in the Nano Fountain-Pen Using Membrane Pumping (박막펌핑을 이용한 Nano Fountain-Pen의 유동 특성에 관한 수치적 연구)

  • Lee, J.H.;Lee, Y.K.;Lee, S.H.;Kim, Hun-Mo;Kim, Youn-J.
    • The KSFM Journal of Fluid Machinery
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    • v.9 no.2 s.35
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    • pp.19-24
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    • 2006
  • Nano fountain-pen is a novel device to make the constant patterning in micro process using new designed probe. Fountain-pen nanolithography (FPN) is applied for constant supply of liquid in conjunction of patterns and surface variation in the micro process. In this study, nuo fountain-pen is composed with reservoir, micro channels, tip and scondary chamber. Instead of traditional method only using capillary force, liquid can be definitely and exactly injected with membrane pumping by the repulse force of tip. It is dfficult to perform experiments in the micro range so that we carried out a numerical analysis for internal flow, using a commercial code, FlUENT, The velocity, pressure and flow rate are obtained under laminar, unsteady, three-dimensional incompressible flow with no-slip condition, and results are graphically described.

A Study on Dynamic Analysis of Nano Fountain Pen (나노 파운틴펜의 동적해석에 관한 연구)

  • Lee, Young-Kwan;Kim, Hun-Mo;Kim, Youn-Jae;Lee, Suk-Han
    • Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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    • 2006.05a
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    • pp.922-929
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    • 2006
  • In this study, flow characteristics of the FPN (Fountain Pen Nano-Lithography) using active membrane pumping are investigated. This FPN has integrated chamber, micro channel, and high capacity reservoir for continuous ink feed. The most important aspect in this probe provided control of fluid injection using active membrane pumping in chamber. The flow rates in channel by capillary force are theoretically analyzed, including the control of mass flow rates by deflection of membrane. The above results are compared with numerical simulations that calculated by commercial code, FLUENT. The velocity of fluid in micro channel shows linear behaviors. And the mass flows are proportional to the second order function of pumping pressure that is imposed to membrane.

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A Study on Flow Characteristics of Fountain-pen Nano-Lithography with Active Membrane Pumping (능동적 박막 펌핑에 의한 파운틴 펜 나노 리소그래피 유동 특성에 관한 연구)

  • Lee Jin-Hyoung;Lee Young-Kwan;Lee Sung-Kun;Lee Suk-Han;Kim Youn-Jea;Kim Hun-Mo
    • Transactions of the Korean Society of Mechanical Engineers B
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    • v.30 no.8 s.251
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    • pp.722-730
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    • 2006
  • In this study, the flow characteristics of a FPN (Fountain Pen Nano-Lithography) using active membrane pumping are investigated. The FPN has integrated chamber, micro channel, and high capacity reservoir for continuous ink feed. The most important aspect in this probe provided control of fluid injection using active membrane pumping in chamber. The flow rates in channel by capillary force are theoretically analyzed, including the control of the mass flow rates by the deflection of the membrane. The above results are compared with the numerical simulations that calculated by commercial code, FLUENT. The velocity of the fluid in micro channel shows linear behaviors. And the mass flows are proportional to the second order function of the pumping pressure that is imposed to the membrane.

Fountain pen nanolithography의 개발

  • 류경주;홍상현;허진희;김덕수;김훈모;정일섭;이석한
    • Proceedings of the Korean Society of Precision Engineering Conference
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    • 2003.10a
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    • pp.251-251
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    • 2003
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