The graph tends to show shifting, rounded curves that resemble the lumpy, bubble-shaped shmoo character in the Li'l Abner comic strip series. The term is also a verb: "to shmoo" is to run the test.

In this entire process the failures across the chip while testing is analyzed and debugged such that we do not lose hold on the yield. In such cases the Shmoo plots found to be useful to get a quick ...