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A PN JUNCTION CONSTRUCTION varies from one manufacturer to the next. Some of the more
commonly used manufacturing techniques are: GROWN, ALLOY or FUSED-ALLOY, DIFFUSED,
and POINT-CONTACT.
CURRENT FLOW in an N-TYPE MATERIAL is similar to conduction in a copper wire. That is,
with voltage applied across the material, electrons will move through the crystal toward the positive
terminal just like current flows in a copper wire.
