FIELD: electronics. SUBSTANCE: process includes placement of gold foil between case and crystal and brazing. Foil surface is treated chemically in solution of hydrochloric acid at temperature 18-25 C for the course of 3-5 min followed by rinsing in cold deionized water at same temperature for the course of not less than 1 min and drying in atmosphere of hot air at temperature 70-80 C for the course not less than 5 min. EFFECT: enhanced efficiency of process. 1 dwg, 1 tbl
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