An opposite kind of semi-conductor is made by "injecting" the element with only 3 valence electrons into the silicon wafer. (the empty places where a 4th electron should be are called holes)
An opposite kind of semi-conductor is made by "injecting" the element with only 3 valence electrons into the silicon wafer. (the empty places where a 4th electron should be are called holes)
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Transcribed Image Text:An opposite kind of semi-conductor is made by "injecting" the element
with only 3 valence electrons into the silicon wafer. (the empty places where a
4th electron should be are called holes)
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