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POROUS SUBSTRATE HOLDER WITH THINNED PORTIONS

  • US 20090280248A1
  • Filed: 05/06/2008
  • Published: 11/12/2009
  • Est. Priority Date: 05/06/2008
  • Status: Abandoned Application
First Claim
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1. A substrate support system comprising a substrate holder for supporting a substrate, the substrate holder comprising a central portion such that the substrate is spaced apart from the central portion when the substrate is supported by the substrate holder, the central portion having one or more recesses defining thinned portions of the central portion, the central portion being formed of a material having a porosity between about 10%-40% and configured to allow gas flow therethrough.

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