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衬底温度的控制方法、装置及薄膜沉积设备
Authors
叶继春
张胜
+4 more
杨映虎
邬苏东
韩灿
高平奇
Publication date
19 August 2015
Publisher
Abstract
本发明公开了一种衬底温度的控制方法、装置及薄膜沉积设备。其中,所述衬底置于中空的样品台上,所述样品台的中空区域通有流通的冷却剂,通过以下方式实现对衬底温度的控制:测量流入样品台的冷却剂的温度,得到流入温度;测量流出样品台的冷却剂的温度,得到流出温度;计算所述流入温度和所述流出温度的差值;根据所述差值调节冷却剂的流量,通过冷却剂的流量来控制衬底的温度。本发明实现了衬底温度的精确控制,保证了沉积薄膜的质量,大大提高了工艺的可控性和重复性
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Last time updated on 22/01/2018