Closeup of a ZIP detector in its mount.  A detector of this kind, made of Si, was operated in the 1998 run.  The photolithographically-fabricated thin film on the surface is the phonon sensor and represents a significant advance over the detectors used in the 1999 run.  Silicon and germanium ZIPs, weighing 100 g and 250 g respectively, will be used in future CDMS II runs at Stanford and in the Soudan mine.