FIELD: cryoelectronics, shielding of magnetic fields. SUBSTANCE: proposed film composite high-temperature superconductor magnetic screen comprises dielectric base and film composite high-temperature superconductor coat. Screen is made of flat dielectric rings covered by high-temperature superconductor film which ensures presence of additional circuits with screening current on internal surface of screen. Furthermore area of mentioned circuits is proportional to width of specified ring and thickness of high-temperature superconductor film. EFFECT: increased quality of magnetic screen, enlarged maximum screened magnetic field. 2 dwg
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