About: http://webisa.webdatacommons.org/375135091

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	FIG. 4 is a side cross-sectional view of a diffraction grating having a glass substrate, a polymer grating layer, a metal coating layer, a polymer coating layer, and a glass cover in accordance with the present invention.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es