Meetings; Semiconductor devices; Semiconductors; Test and evaluation; Coupling(Interaction); High power; Annealing; Gallium arsenides; Aluminum gallium arsenides; Heterojunctions; Structural analysis; Failure; Substrates; Lasers; Protons; Nitrides; Reliability; Optical analysis; Solar cells; Resonance; Group iii compounds; Cathodoluminescence; N type semiconductors; Electron irradiation; Wafers; Indium phosphides; Infrared equipment; Thermal radiation; Bipolar transistors; P type semiconductors; Gallium nitrides;