Patent ID: 7335465

Claim:
A developer composition for resists, comprising an organic quaternary ammonium base as a main component, said organic quaternary ammonium base having a lower alkyl group or a lower hydroxyalkyl group, wherein the lower alkyl group or lower hydroxyalkyl group has 1 to 5 carbon atoms, wherein said organic quaternary ammonium base is present in an amount from 0.1 to 10% by mass; an anionic surfactant in an amount from 1,000 to 50,000 ppm represented by the following general formula (I): wherein at least one of R 1 and R 2 represents an alkyl or alkoxy group having 5 to 15 carbon atoms and the other one represents a hydrogen atom, or an alkyl or alkoxy group having 5 to 15 carbon atoms, and at least one of R 3 , R 4 and R 5 represents an ammonium sulfonate group or a sulfonic acid-substituted ammonium group and the others represent a hydrogen atom, an ammonium sulfonate group or a sulfonic acid-substituted ammonium group; SO 4 2− in an amount from 50 to 5,000 ppm; and a lower alcohol in an amount from 0.005 to 2.5% by mass.