6. Mechanical Parameters.

The Mosaic was built into a 2.5 l Oxford Instruments blue cryostat. The LN2 hold time when servoing at -1200C and held horizontally, with the fill tube at 12 '0' clock position, was 19.5 hours. The heater servo power required to maintain this temperature was 200mW.

6.1. Mosaic Coplanarity and Spacing.

6.2. Mosaic Alignment within Cryostat.