Patent ID: 7759025

Claim:
A half-tone type phase-shifting mask provided with a light-shielding pattern and a semi-light shielding pattern, comprising: a transparent substrate; a half-tone film provided on a part on which the light-shielding pattern is to be formed and a part on which the semi-light shielding pattern is to be formed in the transparent substrate, wherein the semi-light shielding pattern includes a first semi-light shielding pattern composed of the half-tone film and a second semi-light shielding pattern composed of the half-tone film and having a smaller dimension than that of the first semi-light shielding pattern, and a part on which the light-shielding pattern is to be formed and a part of the second semi-light shielding pattern have a first light transmittance, while a part of the first semi-light shielding pattern has a second light transmittance different from the first light transmittance within the half-tone film; and a light-shielding film provided on the half-tone film residing in a part on which the light-shielding pattern is to be formed within the half-tone film.