FIELD: nuclear instrumentation. SUBSTANCE: process involves independent thermal vacuum treatment of thermoelectric coolant cleaned in advance by boiling in alcohol. It includes treatment in vacuum chamber, assembly of pickup and final degassing. Workstock of Si (Li) detector is put into vacuum chamber while assembling with p silicon not compensated with lithium in chamber. Then drift of lithium and final degassing at temperature 110-120 C for the course of time required for compensation of volume of detector are conducted at the same time. EFFECT: prolonged service life of pickup, reduced manufactured time. 1 dwg
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