Tracker Tray Core Material Selection

The tracker tray sandwich support structure will be used to support the silicon payload and must survive the launch environment. The sandwich tray structure is made from three key components: the closeout frame, face sheets and honeycomb core. This document summarizes the core material considerations and presents the options, which best fit the needs of the GLAST program. The requirements, material options, and key issues are addressed and summarized. Core selection recommendations are made based on the discussion presented herein.