This HTML5 document contains 5 embedded RDF statements represented using HTML+Microdata notation.

The embedded RDF content will be recognized by any processor of HTML5 Microdata.

PrefixNamespace IRI
n4google.
isaphttp://webisa.webdatacommons.org/prov/
isahttp://webisa.webdatacommons.org/
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
provhttp://www.w3.org/ns/prov#
xsdhhttp://www.w3.org/2001/XMLSchema#
Subject Item
isa:266640307
rdf:type
prov:Entity
prov:value
An optical head apparatus (such as an optical pickup apparatus) to be used for the reproduction and recording of information associated with an optical disk is provided with, for example, a light source such as a laser diode, lens elements (such as a collimator lens and a coupling lens) which convert light scattered from the light source into an approximately parallel light beam, and an objective
prov:wasQuotedFrom
n4:com
Subject Item
isap:156183208
prov:wasDerivedFrom
isa:266640307
Subject Item
isap:226824773
prov:wasDerivedFrom
isa:266640307