| 摘要 |
A photosensitive resin composition which has a quenching function and satisfactory long-term stability and which, in particular, can be prevented from suffering sensitivity abnormality caused by change with time during storage (change from given sensitivity); and a method of forming a pattern from the composition. The resist composition contains a base resin comprising, as the main component, a silicon-containing polymer which is a siloxane or silsesquioxane polymer or the like, the composition containing, as a quencher, a specific sulfonium compound in place of a nitrogenous compound.
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