To make this transistor, first oxide then nitride layers are grown
Jul 24, 2017 - 0:11
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Let's go inside an Intel 4004 microprocessor to see an individual transistor
Let's go inside an Intel 4004 microprocessor to see an individual transistor is an episode from Making an Integrated Circuit by John C. Bean - WeCanFigureThisOut.org. This technology episode is made for listeners who fol...
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Let's go inside an Intel 4004 microprocessor to see an individual 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 Integr...
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Published Jul 24, 2017, 0:13 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