About: http://webisa.webdatacommons.org/283393229

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	The quarter wave plate as defined in claim 1, wherein one of the optically anisotropic layers A and B is a layer made from discotic liquid crystal molecules, and the other is a polymer film.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com