An electrostatic decelerating and scan expansion lens system (10) includes a mesh element (56) and operates in a cathode-ray tube (12) that incorporates a microchannel plate (24). The lens system is positioned downstream of the deflection structure (42 and 44) and provides linear magnification of the...http://www.google.com.au/patents/US4752714?utm_source=gb-gplus-sharePatent US4752714 - Decelerating and scan expansion lens system for electron discharge tube incorporating a microchannel plate
