| http://www.w3.org/ns/prov#value | - The radiation-sensitive composition according to claim 1, wherein said copolymer has the general formula: ##STR11## wherein R1 is a hydrogen atom or a methyl group, R2 is a methyl group, an ethyl group, a propyl group or a butyl group, Ar is a substituted or unsubstituted phenylene group, X is --SO2 --, and m and n are individually an integer not less than 1.
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