agn@UNH.CS.CMU.EDU (Andreas Nowatzyk) (10/22/87)
The material is silicon carbide, not silicon nitride. Siemens is one of the vendors of blue LED's: LDB 5410 is one of them. It comes in a clear, 5mm package. -- -- Andreas Nowatzyk (DC5ZV) Carnegie-Mellon University Arpa-net: agn@unh.cs.cmu.edu Computer Science Department Usenet: ...!seismo!unh.cs.cmu.edu!agn