Patent ID: 8911920

Claim:
A method for fabricating a portion of an integrated circuit, the method comprising: fabricating an extreme ultraviolet (EUV) mask comprising: providing a photomask substrate having a border region; forming a first photoresist over the photomask substrate, the first photoresist having a border region overlying the border region of the photomask substrate; exposing an inner portion of the border region of the first photoresist; exposing an outer portion of the border region of the first photoresist; removing the inner portion of the border region of the first photoresist and removing the outer portion of the border region of the first photoresist to expose the border region of the photomask substrate; etching the border region of the photomask substrate using the first photoresist as a mask to form the EUV mask with a non-reflective border; and removing the first photoresist from the EUV mask; forming a second photoresist over a layer of a partially-fabricated integrated circuit; patterning the second photoresist by exposure to EUV light reflected from the EUV mask to expose portions of the layer of the partially-fabricated integrated circuit; removing the portions of the layer of the partially-fabricated integrated circuit; and removing the second photoresist.