About: http://webisa.webdatacommons.org/324501296

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	Unfortunately, the materials that presently qualify for use as a substrate are ceramics, such as silicon and gallium arsenide, that have a very poor thermal conductance.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au