Invention Application
WO2012021215A2 APPARATUS AND METHOD FOR TEMPERATURE CONTROL DURING POLISHING 审中-公开
抛光期间温度控制的装置和方法

APPARATUS AND METHOD FOR TEMPERATURE CONTROL DURING POLISHING
Abstract:
Embodiments of the present invention relate to apparatus and method for improve uniformity of a polishing process. Embodiments of the present invention provide a heating mechanism configured to apply thermal energy to a perimeter of a substrate during polishing, or a cooling mechanism configured to cool a central region of the substrate during polishing, or a biased heating mechanism configured to create a temperature step differential on a given radius of a polishing pad.
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