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1700 Series Wafer Reader Appendix E: 1701 Wafer Reader Installation Options
115
As shown in Figure E-0-2, the horizontal mirror attachment lengthens the optical path by
23.9 mm. To compensate, the working distance of the reader in the horizontal
configuration will be 23.9 mm closer to the wafer than a reader mounted vertically with
the same focal setting. The working distance for the vertical configuration is measured
from the bottom of the reader to the top of the wafer.
NOTE The Image Orientation may need to be adjusted, depending on the configuration of the reader and
the mirror attachment sating. Refer to Section 3.4.8: Image Orientation for more information.
Figure E-0-2: Working Distances in Horizontal and Vertical Mounting Configurations