In the following examples, the filled or cross hatched areas in the circle target indicate where PC-DMIS will not take edge measurements.
Example 1
This example is more suitable for larger ring diameters and higher magnification optics where you want to keep the execution time low.
Target pattern start angle of 0, end angle of 358, and 5% coverage
Example 2
This example is more suitable for larger ring diameters and higher magnification optics where longer execution time is acceptable for a more repeatable measurement.
Target pattern start angle of 0, end angle of 358, and 10% coverage
Example 3
This example is more suitable for smaller ring diameters and medium to lower magnification optics.
Target pattern start angle of 0, end angle of 358, and 50% coverage