Figura 1. (IMAGE) Moscow Institute of Physics and Technology Caption Lámpara de cátodo luminiscente: unidad moduladora del cátodo (1), cátodo (2), modulador (3), electrones emitidos (4), fósforo (5), espejo de aluminio que sirve de ánodo (6), salida del ánodo (7), tubo de vacÃo de vidrio (8). Credit Evgenii Sheshin et al./Journal of Vacuum Science and Technology B Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.