About: http://webisa.webdatacommons.org/329652658

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	If the protrusions have the form of fins, at least one hole or notch is preferably arranged between two fins in top view on the first main face.The heat sink is preferably formed of a metal, especially preferably of aluminium.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com