| 摘要 |
FIELD: tomography, nondestructive test systems, telemechanical monitoring of industrial technologies. ^ SUBSTANCE: proposed method includes irradiation of LiF or NaF crystals through radiation-resistant mask tightly abutting against them and made in the form of metal screen with mesh aperture measuring 6-10m and more by means of cyclotron He+ ion beam at energy of 3 2 MeV, beam current of 100 to 300 nA, and beam fluence 1 . 1018 to 2 . 1019 m2. ^ EFFECT: enhanced recording efficiency. ^ 3 cl, 2 dwg |
