About: http://webisa.webdatacommons.org/207462437

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	To provide an EMI shield between each chip and the environment, the heat sink is made of a conductive material, such as aluminum, and is electrically connected to a reference plane in the printed wiring board base.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com