Patent ID: 6287746
Filing Date: 2001-09-11
Classification: G03F,Y10S

Abstract:
A chemically amplified resist comprising photoacid generator contained at 0.2 parts to 25 parts by weight and polymer contained at 75 parts to 99.8 parts by weight and copolymerized between compound, and monomer, said polymer having an average molecular weight ranging between 1,000 and 50,000 and expressed by the general formula: ##STR47##wherein R.sup.1,R.sup.4 and R.sup.6 represent a hydrogen atom or a methyl group, R.sup.2,R.sup.5 and R.sup.7 represent a bridged hydrocarbon group having the carbon number from 7 to 22, R.sup.3 represents a hydrogen atom, a methyl group or an acetyl group, R.sup.8 represents a group decomposed by acid, m equals 0 or 1, n equals 0 or 1, i equals 0 or 1, k equals zero or 1, x+y+z=1, x ranges from 0.05 to 0.75, y ranges from zero to 0.8 and z ranges from 0.15 to 0.6.