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用热壁CVD法在SiC衬底上生长SiCGe合金的热场分析与设计
引用本文:蒲红斌,陈治明,李留臣,封先锋,张群社,沃立民,黄媛媛. 用热壁CVD法在SiC衬底上生长SiCGe合金的热场分析与设计[J]. 人工晶体学报, 2004, 33(5): 712-716
作者姓名:蒲红斌  陈治明  李留臣  封先锋  张群社  沃立民  黄媛媛
作者单位:西安理工大学自动化与信息工程学院,西安710048;西安理工大学自动化与信息工程学院,西安710048;西安理工大学自动化与信息工程学院,西安710048;西安理工大学自动化与信息工程学院,西安710048;西安理工大学自动化与信息工程学院,西安710048;西安理工大学自动化与信息工程学院,西安710048;西安理工大学自动化与信息工程学院,西安710048
基金项目:国家自然科学基金资助项目(No.6037601)西安理工大学科技创新项目
摘    要:采用有限元法,对热壁CVD法SiCGe合金生长炉中加热组件的感应加热和温度分布进行了研究.分析了感应线圈匝数和石墨衬托的厚度对磁矢势和温度分布的影响,获取了感应线圈数越多感应生成焦耳热越大且越均匀的结论,得出了随石墨厚度的增加升温速率而增加,相反轴向温度均匀性而变差的设计准则.模拟结果表明选取16匝线圈和10mm左右的石墨壁厚为优化的设计参数.

关 键 词:SiCGe  热壁CVD  感应加热  温度场  有限元
文章编号:1000-985X(2004)05-0712-05

Analysis and Design of Temperature Field of SiCGe Alloy Growth by Hot-wall Chemical Vapor Deposition on SiC Substrates
PU Hong-bin,CHEN Zhi-ming,U Liu-chen,FENG Xian-feng,ZHANG Qun-she,WO Li-min,HUANG Yuan-yuan. Analysis and Design of Temperature Field of SiCGe Alloy Growth by Hot-wall Chemical Vapor Deposition on SiC Substrates[J]. Journal of Synthetic Crystals, 2004, 33(5): 712-716
Authors:PU Hong-bin  CHEN Zhi-ming  U Liu-chen  FENG Xian-feng  ZHANG Qun-she  WO Li-min  HUANG Yuan-yuan
Abstract:The induction heating process and temperature distribution of a SiCGe alloy hot-wall chemical vapor deposition (HWCVD) furnace were studied by using the finite element method. The effects of both the number of induction coils and thickness of graphite susceptor on the distribution of magnetic vector potential and temperature are investigated. The calculations suggest that the larger and more homogeneous the Joule heating generate the more of induction coil turns are. By increasing the thickness of graphite susceptor, the heating rate increases, but just the reverse the temperature profiles at graphite susceptor inner wall along the axial direction go from bad to worse. All simulations results indicate that the design parameters can been optimized as 16 turns of coil and 10mm thickness of graphite susceptor.
Keywords:SiCGe  hot-wall CVD  induction heating  temperature field  finite element
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