FIELD: nuclear engineering for medicine. SUBSTANCE: method involves manufacturing assembly of capsule and cable with tip, covering core with coat distinguished by low activation within reactor, activating core in reactor, its charging in capsule, and encapsulating it. Capsule is produced from pipe made of stainless steel. Radionuclides of iridium-192 or cobalt-60 are used as cores for ionizing radiation sources. EFFECT: enhanced mechanical strength of capsule, environmental safety in source manufacture, improved strength of pipe-to-cable joint. 4 cl
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