In article <6mot3d$f2@nntp02.primenet.com>, bph@primenet.com (Blair P. Houghton) wrote: <<snip>> > GaAs devices have been around a lot longer than that. My > point was they're really expensive and not necessary for > something slow like a keyboard controller. They're mostly > used for microwave RF amplifiers. They're more rad-hard than > silicon, so they are also used for some military logic devices. > > Wow. 1980. I wonder what electromigration has done to it > by now. Probably not a whole lot, considering the traces > on the chip would be about 10 microns wide... 10 mics? Wow, big enough to drive on.. <<big grin>>. I just dumped a boxload of old IBM Keyboards (5153 I think). Should have canabalised them for parts. -----== Posted via Deja News, The Leader in Internet Discussion ==----- http://www.dejanews.com/ Now offering spam-free web-based newsreading
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