24 Oct
2004
24 Oct
'04
9:05 a.m.
>>>> "Jules" == Jules Richardson
<julesrichardsonuk(a)yahoo.co.uk> writes:
Jules> Does anyone know when blue LEDs first became commercially
Jules> available? The pair of Apollos that arrived at the museum
Jules> yesterday both have rectangular blue LEDs fitted alongside the
Jules> amber and green on the front of the machine - the systems date
Jules> from 1990 though...
Sounds a bit early, but the silicon carbide ones go back a ways. I
wonder if the Cree website might tell.
I'm pretty sure a friend of mine showed me some back when I still
worked at DEC, which would make it 1994 or before.
paul