대한기계학회논문집B (Transactions of the Korean Society of Mechanical Engineers B)

  • 제30권10호
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  • Pages.942-949
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  • 2006
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  • 1226-4881(pISSN)
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  • 2288-5324(eISSN)
대한기계학회 (The Korean Society of Mechanical Engineers)
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열 잉크젯 프린트헤드의 집중질량 모델링

Lumped Modeling of Thermal Inkjet Print Head

  • 이유섭 (삼성종합기술원 Micro Systems Lab.)
  • 발행 : 2006.10.01
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⟨ 이전 논문 다음 논문 ⟩

초록

A lumped model is proposed to predict liquid ejection characteristics of a thermally driven inkjet print head. The model is based on a two-dimensional heat conduction equation, an empirical pressure-temperature equation and a nonlinear hydraulic flow-pressure equation. It has been simulated through the construction of an equivalent R-C circuit, and subsequently analyzed using SIMULINK and a circuit simulation tool, PLECS. Using the model, heating and cooling characteristics of the head are predicted to be in agreement with the IR temperature measurements. The effects of the head geometry on the drop ejection are also analyzed using the nonlinear hydraulic model. The present model can be used as a design tool for a better design of thermal inkjet print heads.

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참고문헌

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