About: http://webisa.webdatacommons.org/125816559

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 the third substrate 56, the lid body 57 formed by ceramic, glass or a metal such as kovar is joined via a joining material 58 such as a kovar ring or low-melting-point glass.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com