Patent ID: 8219938

Claim:
A method for generating a dose correction map, the method comprising: obtaining a first dose correction map for a first photolithography mask, the first dose correction map including a function of first chip or die identities; determining a first transformation matrix from the first chip or die identities of the first photolithography mask into an orthogonal coordinate system; determining a second transformation matrix from second chip or die identities of a second photolithography mask into the orthogonal coordinate system; performing a transformation on the first dose correction map for the first photolithography mask using the first and second transformation matrices; and generating a second dose correction map for the second photolithography mask using the transformed first does correction map for the first photolithography mask using a computer system, wherein the first photolithography mask uses a same manufacturing stack and reactive ion etching processes as the second photolithography mask but the second photolithography mask uses a different bulk or low power technology or a different filter size than what the first photolithography mask uses.