Patent ID: 7041428

Claim:
A pattern formation material comprising: a base polymer including a first unit represented by Chemical Formula 2 and a second unit represented by Chemical Formula 3; and an acid generator: Chemical Formula 2: Chemical Formula 3: wherein R 1 and R 3 are the same or different and are a hydrogen atom, a chlorine atom, a fluorine atom, an alkyl group or an alkyl group including a fluorine atom; R 2 is a protecting group released by an acid and is any one of the following seven compounds; R 4 is an alkyl group, a cyclic aliphatic group, an aromatic group, a heterocycle, an ester group or an ether group; m is an integer of 0 through 5; and a and b satisfy 0<a<1, 0<b<1 and 0<a+b≦1.