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MEMS based contact conductivity electrostatic chuck

机译:基于MEMS的接触电导静电卡盘

摘要

The present invention is directed to a method for clamping and processing a semiconductor substrate using a semiconductor processing apparatus. According to one aspect of the present invention, a multi-polar electrostatic chuck and associated method is disclosed which provides heating or cooling of a substrate by thermal contact conduction between the electrostatic chuck and the substrate. The multi-polar electrostatic chuck includes a semiconductor platform having a plurality of protrusions that define gaps therebetween, wherein a surface roughness of the plurality of protrusions is less than 100 Angstroms. The electrostatic chuck further includes a voltage control system operable to control a voltage applied to the electrostatic chuck to thus control a contact heat transfer coefficient of the electrostatic chuck, wherein the heat transfer coefficient of the electrostatic chuck is primarily a function of a contact pressure between the substrate and the plurality of protrusions.
机译:本发明涉及一种使用半导体处理设备夹持和处理半导体衬底的方法。根据本发明的一个方面,公开了一种多极静电吸盘及其相关方法,其通过静电吸盘与基板之间的热接触传导来提供基板的加热或冷却。所述多极静电吸盘包括半导体平台,所述半导体平台具有在其间限定间隙的多个突起,其中所述多个突起的表面粗糙度小于100埃。静电吸盘还包括电压控制系统,该电压控制系统可操作为控制施加到静电吸盘的电压,从而控制静电吸盘的接触传热系数,其中,静电吸盘的传热系数主要是接触压力之间的函数。基板和多个突起。

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