| 摘要 |
The positive-working radiation sensitive resin composition which has high sensitivity, high resolution and no residues in development and ability to form a pattern having a good profile. The positive-working radiation sensitive resin composition contains a mixed radiation sensitive novolak resin comprising the mixture of 1,2-naphthoquinonediazide-4-sulfonic acid ester of an alkali soluble novolak resin and 1,2-naphthoquinonediazide-5-sulfonic acid ester of an alkali soluble novolak resin, wherein the ratio by weight of the 1,2-naphthoquinonediazide-4-sulfonyl group and 1,2-naphthoquinonediazide-5-sulfonyl group ranges from 5:95 to 20:80.
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