About: http://webisa.webdatacommons.org/118478581

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	Therefore, it is desirable that a metal such as Cr (chromium) is vapor-deposited on the outer circumference of the waveguide member 101, as a reflective coating 101C as shown in FIG. 15A.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr