LayTec announced that Epistar Corp. has qualified LayTec´s in-situ metrology
system Pyro 400 for its GaN LED production. The LED manufacturer based in
Taiwan will now use LayTec’s GaN surface temperature sensing with Pyro 400.
According to LayTec, the Pyro 400 metrology system controls the real GaN
surface temperature during epitaxial growth on infrared …
via Solid State Lighting Net: http://www.sslighting.net/documents/articles/news/123504.html#top