Professor dad-joked the whole class

Today in Advanced Microfabrication, we were talking about diffusion into silicon. One of the key measurements of diffusion is Q, or the total number of dopants in the substrate. For some reason, sometimes you use Q in the equations, and sometimes you use 2*Q.

He then asked us, "So if you have 5Q and then 5 more Q, how many do you have?"

"Uh.. 10 Q?"

"You're welcome! hahahahahahahahah"

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📅︎ Feb 07 2014
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