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公开(公告)号:EP3591690A1
公开(公告)日:2020-01-08
申请号:EP18760416.0
申请日:2018-01-30
申请人: NHK Spring Co., Ltd.
发明人: TAKAHARA Go , HANAMACHI Toshihiko , TATSUMI Arata
IPC分类号: H01L21/31 , H01L21/3065 , H01L21/683 , H01L21/203
摘要: A substrate supporting unit is provided. The substrate supporting unit possesses a shaft, a first heater, and a stage. The first heater is located in the shaft and is configured to heat an upper portion of the shaft. The stage is located over the shaft and includes a first plate, a second plate over the first plate, and a second heater between the first plate and the second plate.