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Aucbvax.1722 fa.arms-d utzoo!duke!mhtsa!ucbvax!FONER@MIT-AI Sat Jun 13 22:03:04 1981 IC vacuum tubes. This may well be kinda peripheral to the subject of Arms-D (Please! No comments about THIS issue on the list!), but it seems to me that IC vacuum tubes don't have much use. At such high voltages, the conductor spacing in the chips makes for a pretty sparse layout. Denser than conventional tubes, to be sure, but still pretty space-hogging.

After all, the same thing is the reason why modern IC's run at low voltages, especially internally... to decrease the amount of dialectric insulation necessary. With a given dielectric (silicon or something like it), lower voltages mean smaller interconductor spacing.

However...

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