About: http://webisa.webdatacommons.org/427717388

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. 7 is a plan view showing a grating having a function equivalent to a split prism of a composite optical element in the optical pickup according to the present invention.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com