Electronics and main thing manufacture in it - electro assembly joints - refers to the high production engineering demanding from specialists high extent of professionalism. Scientific bases of sampling of designs and materials of one-piece contact joints, tools and the equipment, used in production engineering of formation of electro assembly joints in electronics products are stated. Physical and chemical processes of creation soldered connections, the wire microwelded joints, application of intensifying affecting in processes, and also a quality monitoring of quality of joints are observed. The book is intended for technical specialists, post-graduate students and students of the technical universities specializing in area of the production technology of electronic equipment.