The four-layer diode was the key to William Shockley's plan to revolutionize AT&T's phone system. It was a great device in theory, but not in practice -- at least not at the time when Shockley ...

You will learn about semiconductor light-emitting diodes (LEDs) and lasers ... Conventional laser stimulated emission theory, Maxwell–Boltzmann vs. Fermi vs. Bose statistics, Quantum solution to the ...

This diode is found in most power MOSFETs and conducts ... which turn the heater on if it hasn’t reached its threshold temperature yet. In theory, these resistors could be replaced with ...