Includes 71 papers from the Third Conference on Semi-Insulating III-V Materials, held during April 1984 at the Kah-nee-ta Resort on the Warm Springs Indian Reservation in Oregon, USA.

Sections: 1 - Diffusion, Gettering and Annealing; 2 - Dislocations and Extended Defects; 3 - Crystal Growth and Related Problems; 4 - EL2 and Other Point Defects; 5 - Devices as Affected by the Substrate; 6 - Theory and Impurity/Defect State Characterization.