Model SMM 770 Scanning Magnetic Microscope System
TRISTAN TECHNOLOGIES --Page 8
Figure 6-2 Passive Newport table vs. Newport table with activator and without activators
and load of 500lbs........................................................................................................... 54
Figure 6-3 Magnet test ring (option 77B) ............................................................................ 56
Figure 6-4 Field profile along Z axis of magnetic ring........................................................ 56
Figure 6-5 Field profile along y and x axis of magnetic ring .............................................. 57
Figure 6-6: Noise spectra of SMM-770 system with 5.5 Gauss external applied field, Gain
x100 58
Figure 6-7: Noise spectra of SMM-770 system with 5.5 Gauss external applied field, Gain
x20 59
Figure 6-8: MS770 mu-metal shield engineering drawings. ............................................... 60
Figure 6-9 Option MS-770 two layer mu metal shield ........................................................ 61
Figure 7-1 Elapsed time for SQUID tip coldwon to operating temperatures ...................... 62
Figure 7-2 Unsubtracted background................................................................................... 73
Figure 7-3 Subtracted background....................................................................................... 74
Table of Tables
Table 1
System Parameters
..................................................................................................... 23
Table 3-2:
SQUID performance tested with
iMAG
®
................................................................. 23
Table 3-3:
Iterative Calibration Results for SMM-770
............................................................... 25
Table 4
Pt thermometer calibration
......................................................................................... 62
