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논문 기본 정보

자료유형
학술저널
저자정보
(영남대학교) (폴텍) (STR) (영남대학교)
저널정보
한국태양광발전학회 Current Photovoltaic Research Current Photovoltaic Research Vol.8 No.1
발행연도
수록면
17 - 26 (10page)

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초록· 키워드

It is clear that monocrystalline Silicon (Si) ingots are the key raw material for semiconductors devices. In the present industries markets, most of monocrystalline Silicon (Si) ingots are made by Czochralski Process due to their advantages with low production cost and the big crystal diameters in comparison with other manufacturing process such as Float-Zone technique. However, the disadvantage of Czochralski Process is the presence of impurities such as oxygen or carbon from the quartz and graphite crucible which later will resulted in defects and then lowering the efficiency of Si wafer. The heat transfer plays an important role in the formation of Si ingots. However, the heat transfer generates convection in Si molten state which induces the defects in Si crystal. In this study, a crystal growth simulation software was used to optimize the Si crystal growth process. The furnace and system design were modified. The results showed the melt-crystal interface shape can affect the Si crystal growth rate and defect points. In this study, the defect points and desired interface shape were controlled by specific crystal growth rate condition.
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목차

  1. ABSTRACT
  2. 1. 서론
  3. 2. 수학적 모델링 & 이론
  4. 3. Melt - Crystal interface
  5. 4. Improve of the czochralski process by Crystal Growth - Simulation
  6. 5. Result and discussion
  7. 6. Conclusion
  8. References

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UCI(KEPA) : I410-ECN-0101-2020-530-000465091