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Podcasts›Making an Integrated Circuit›To make this transistor, first oxide then nitride layers are grown

To make this transistor, first oxide then nitride layers are grown artwork

Technology

To make this transistor, first oxide then nitride layers are grown

Making an Integrated Circuit by John C. Bean - WeCanFigureThisOut.org

Jul 24, 20170:11Technology

To make this transistor, first oxide then nitride layers are grown - Making an Integrated Circuit

Related Episodes

Continue listening to more episodes from Making an Integrated Circuit.

Let's go inside an Intel 4004 microprocessor to see an individual transistor

Jul 24, 2017 - 0:13

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