About: http://webisa.webdatacommons.org/144508814

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	A reticle in accordance with claim 1 wherein said alignment marks include alphanumeric and other patterns which when in a best degree of focus provide said bright spot image in a microscope.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com