This HTML5 document contains 4 embedded RDF statements represented using HTML+Microdata notation.

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

PrefixNamespace IRI
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#
n4freepatentsonline.
Subject Item
isa:395363077
rdf:type
prov:Entity
prov:value
These metals may be used alone or at least two types of them may be used in combination at an optional ratio.The film thickness of the reflective layer is usually at least 3 nm, and usually at most 400 nm, preferably from 50 to 300 nm.The cover layer is made of a material transparent and low birefringence for laser beam used for recording and reproduction.
prov:wasQuotedFrom
n4:com
Subject Item
isap:414753717
prov:wasDerivedFrom
isa:395363077