Efficient Hot-Zone Design for Czochralski Solar Silicon Growth
Date Issued
2006
Date
2006
Author(s)
Hsieh, Chao-Kun
DOI
zh-TW
Abstract
The solar cell industry need low cost monocrystalline wafer to enlarge it’s application due to it’s remarkable high material cost. Reducing manufacturing cost is the most important task in the photovoltaics (PV) industry without down grading the quality of the solar ingot.
In this paper, the hot-zone of the Kayex CG 6000 puller is well systematic designed through hot-zone simulation and experiment verification to raise throughput (in term of production per hours (PPH) and reduce production cost.
The new generation hot-zone design including thermal shield cone, inside insulation and bottom insulation were developed through the software simulation and experiment verification. Without sacrificing the quality of solar ingot, the power consumption was significantly reduced from the original 84KW to 68KW. Also PPH is greatly promoted from original 1.34 kg/hr to 2.21 kg/hr.
Subjects
單晶生長
柴式法
熱場設計
monocrystal growth
CZ method
hot-zone design
SDGs
Type
thesis
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