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Old 10th February 2015, 11:21 AM   #1
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Default Transistor differences due to manufacturing?

What is it in the manufacturing process of a batch of transistors that causes differences in gain?
Any technology sufficiently advanced is indistinguishable from magic
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Old 10th February 2015, 11:57 AM   #2
AndrewT is online now AndrewT  Scotland
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Join Date: Jul 2004
Location: Scottish Borders
they are laying a thickness of atoms on to a previous layer of atoms.

Different thicknesses will change the parameters. different contaminants will change the parameters.

It is the controlling of thickness and contamination that limits the devices.
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