Patent ID: 7851137

Claim:
A method of manufacturing a semiconductor device comprising: forming a film to be processed above a substrate; forming a resist layer above the film to be processed; transferring a first pattern to the resist layer to form a second pattern, which corresponds to the first pattern, in the resist layer by using a reticle, the reticle including the first pattern, the first pattern comprising first two pattern lines in line and a first space between the first two pattern lines, the first two pattern lines being transferred to second two pattern lines in line in the second pattern, the first space being transferred to a second space between the second two pattern lines in the second pattern, the second space having a space width narrower than a smallest processing space width; performing trimming processing on the resist layer including the second pattern to thereby increase the space width of the second space in the second pattern; and patterning the film to be processed using the resist layer, on which the trimming processing has been performed, as a mask.