An Integrated Multi-channel Charged Particle Sensing System

A novel hybrid circuit featuring Application Specific Integrated Circuits has been developed which, when fitted with Microchannel Plate electron multipliers, can be used for position-sensitive detection of charged particles, ultra violet radiation and X rays. The integrated circuit consists of an array of charge-sensing electrodes with a corresponding array of amplifiers and counters - all integrated on a single chip and giving parallel detection. This has significant advantages over existing position sensitive detection systems. Data collected with the detector installed in a photoclectron spectrometer are presented.