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发明名称
矽单晶之制造方法
摘要
目的:在藉左科拉斯基法、利用石英坩埚制造矽单晶之方法,在不受晶体直径及熔融矽初始进料量变化之影响、产率高之条件下,制造氧浓度分布均匀之矽单晶。结构:依据坩埚转速(Ω)、坩埚温度(T)及熔融矽与坩埚内壁接触面积与熔融矽与大气接触面积之比例(β)三个参数之关系,以估计生长中矽单晶内之氧浓度,并结合温度(T)及比例(β),以1/β×Exp(-E/T)为函数,利用石英熔入熔融矽内之溶解能(E)以控制转速(Ω)及温度(T)中之至少一个,调节矽单晶内之氧浓度,使估计之氧浓度与目标浓度一致。
申请公布号
TW200643233
申请公布日期
2006.12.16
申请号
TW095121128
申请日期
2006.06.14
申请人
世创电子材料公司
发明人
岸田丰;竹林圣记;玉林辉幸
分类号
C30B15/20(2006.01);C30B15/00(2006.01)
主分类号
C30B15/20(2006.01)
代理机构
代理人
甯育丰
主权项
地址
德国
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