A method of fabricating a semiconductor wafer support chuck apparatus having a first sintered layer and a second sintered layer. The method comprising the steps of providing the first sintered layer having a plurality of gas distribution ports and providing the second sintered layer having a plurality...http://www.google.co.uk/patents/US6572814?utm_source=gb-gplus-sharePatent US6572814 - Method of fabricating a semiconductor wafer support chuck apparatus having small diameter gas distribution ports for distributing a heat transfer gas
