About: http://webisa.webdatacommons.org/95843248

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	As the mounting board is made of resin such as epoxy resin which has a larger coefficient of thermal expansion than that of ceramic, stress is produced between the base plate and the mounting board when they are directly bonded together.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com