About: http://webisa.webdatacommons.org/218269158

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The present invention is directed to retaining rings, planarizing apparatuses including retaining rings, and to methods for mechanical and/or chemical-mechanical planarization of micro-device workpieces.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com