Patent ID: 6824951
Filing Date: 2004-11-30
Classification: G03F,Y10S

Abstract:
A photoresist composition for resist a flow process comprising:a photoresist polymer selected from the group consisting of Formulas 3 through 5; a photoacid generator; a crosslinking agent selected from the group consisting of compounds of Formulas 1 and 2; and an organic solvent; wherein R1, R2, R3 and R4 individually represent H or C1-C10 alkyl; wherein R5, R6 and R7 are individually selected from the group consisting of H, C1-C10 alkyl and C1-C10 alkoxy; wherein R8 and R9 are individually selected from the group consisting of H, C1-C10 alkyl and C3-C20 aryl; and the ratio of a:b:c is 20Ëœ70 mol %: 10Ëœ70 mol %: 0Ëœ50 mol %; wherein R10 is an acid labile protecting group; R11 is selected from the group consisting of H, C1-C10 alkyl and C3-C20 aryl; and the ratio of d:e:f is 20Ëœ70 mol %: 10Ëœ70 mol %: present in an amount up to 50 mol %; wherein R12 is selected from the group consisting of H, C1-C10 alkyl and C1-C10 alkyl alcohol; R13 is an acid labile protecting group; R14, R15, R16 and R17 are individually selected from the group consisting of H and C1-C10 alkyl; R18 and R19 are individually selected from the group consisting of H and CH3; Y is C1-C10 alkylene or C1-C10 alkylene containing an ether (â€”Oâ€”) group; n is an integer ranging from 0 to 2; and the ratio of g:h:i:j:k is 1Ëœ20 mol % 0Ëœ20 mol %: 10Ëœ50 mol %: 40Ëœ50 mol %: 0Ëœ10 mol %.