Patent ID: 6555277
Filing Date: 2003-04-29
Classification: G03F

Abstract:
A method of repairing a photolithography mask, said mask being used for the creation of device features having deep-sub-micron dimensions, comprising the steps:providing a photolithographic mask, said photolithographic mask comprising a pattern of light sensitive material created on the surface thereof, said pattern of light sensitive material comprising at least one line pattern having a width, said at least one line pattern comprising at least one interruption of said at least one line pattern, said at least one interruption having a length, said at least one interruption of said at least one line pattern comprising a damaged line pattern; and etching the surface of said photolithographic mask over the surface of said at least one interruption, said etching extending over a length about equal to said length of said at least one interruption and over a width equal to between about &frac23; and Â¾ of said width of said at least one line pattern.