Patent attributes
A system includes an imaging device suitable for effectively positioning a probe for testing a semiconductor wafer. The system includes an objective lens for sensing the device under test and an imaging device sensing a first video sequence including multiple frames of an overlapping region of the device under test. A video signal is provided to a display including multiple frames of the overlapping region of the device under test. An operator indicating a region of the video signal of devices under test and the system in response presenting an enlarged view of a plurality of different regions of the device under test in a plurality of windows free from user input, where the region and the plurality of different regions are simultaneously displayed on the display.