A proposal for a supporting structure for the Hybrid Pixel Detectors of RICH2

This document is a proposal for the supporting structure of the Hybrid Pixel Detectors (HPD) that the Collaboration Board has accepted as a baseline solution for the RICH detectors. Layout, structural, thermal, electronic, magnetic and optical considerations have been taken into account in order to produce a design that could satisfy all the requirements. As the HPD is not an industrial large-series product, but a new type of detector whose development hasn’t been completed yet, the outline of its interfaces as well as its shape had to be considered a preliminary one, making assumptions where precise information was missing.