Patent ID: 7440869

Claim:
A method of mapping yield information of semiconductor dice, the method comprising: obtaining yield information of a first die that was formed on a first location on a first wafer in accordance with a first die placement; obtaining yield information of a second die that was formed on a second location on a second wafer in accordance with a second die placement, wherein the first die placement and the second die placement have different layouts; wherein a portion of the first location corresponds to a portion of the second location such that the portion of the first location would overlap with the portion of the second location if the first location was on the second wafer; defining a plurality of pixel elements, wherein each pixel element corresponds to a different location on a wafer, and wherein at least one of the plurality of pixel elements corresponds to the portion of the first location that corresponds to the portion of the second location; determining an average yield for the at least one of the plurality of pixel elements based on the yield information of the first die and the second die; and determining a deviation for the at least one of the plurality of pixel elements based on the average yield of the at least one of the plurality of pixel elements and the yield information of the first die and the second die.