Let's go inside an Intel 4004 microprocessor to see an individual transistor
Jul 24, 2017 - 0:13
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To make this transistor, first oxide then nitride layers are grown
To make this transistor, first oxide then nitride layers are grown is an episode from Making an Integrated Circuit by John C. Bean - WeCanFigureThisOut.org. This technology episode is made for listeners who follow Making...
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To make this transistor, first oxide then nitride layers are grown 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 Circu...
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Published Jul 24, 2017, 0:11 long, audio available.
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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
Phosphorus ions then penetrate thin oxide to create the source and drain
Jul 24, 2017 - 0:12