发明授权
US5216135A Diazodisulfones 失效
重氮二砜

Diazodisulfones
摘要:
A diazodisulfone of the formula: ##STR1## wherein R.sup.1 is a C.sub.3-8 branched or cyclic alkyl group, and R.sup.2 is a C.sub.1-8 straight-chain, branched or cyclic alkyl group, is effective as a photoacid generator when used in a photoresist material for light of 300 nm or less.
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