Let's go inside an Intel 4004 microprocessor to see an individual transistor
Jul 24, 2017 - 0:13
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And finally, here is the circuit symbol for the transistor
And finally, here is the circuit symbol for the transistor is an episode from Making an Integrated Circuit by John C. Bean - WeCanFigureThisOut.org. This technology episode is made for listeners who follow Making an Inte...
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And finally, here is the circuit symbol for the transistor is an episode from Making an Integrated Circuit by John C. Bean - WeCanFigureThisOut.org. This technology episode is made for listeners who follow Making an Integrated Circuit and w...
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Published Jul 24, 2017, 0:08 long, audio available.
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To make this transistor, first oxide then nitride layers are grown
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A shadow mask then exposes a photographic emulsion
Jul 24, 2017 - 0:12
Exposed nitride is then etched away
Jul 24, 2017 - 0:07
Oxygen reacts with the Si to grow more oxide
Jul 24, 2017 - 0:12
By heating in silane, polycrystal Si is then grown
Jul 24, 2017 - 0:04
A stripe is exposed in a second photographic emulsion
Jul 24, 2017 - 0:10
Exposed polycrystal Si is etched away leaving the transistor gate
Jul 24, 2017 - 0:09