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    • 7. 发明授权
    • Positive-working radiation-sensitive mixture and recording material for
exposure to UV radiation containing polyfunctional compound having
.alpha.-.beta.-keto ester units and sulfonate units
    • 用于暴露于UV辐射的正性辐射敏感混合物和记录材料,其含有具有α-重氮基 - β-酮酯单元和磺酸酯单元的多官能化合物
    • US5256517A
    • 1993-10-26
    • US694353
    • 1991-05-01
    • Horst RoeschertGeorg PawlowskiHans-Joachim MerremRalph DammelWalter Spiess
    • Horst RoeschertGeorg PawlowskiHans-Joachim MerremRalph DammelWalter Spiess
    • G03F7/016G03F7/039H01L21/027G03F7/022G03F7/023
    • G03F7/0163
    • A positive-working radiation-sensitive mixture is described which essentially contains a photoactive component and a water-insoluble binder which is soluble, or at least swellable, in aqueous alkaline solution, wherein a compound is used, as photoactive component, which contains .alpha.-diazo-.beta.-keto ester units and sulfonate units of the formula I ##STR1## in which R.sup.1 and R.sup.2, independently of one another, are an unsubstituted or substituted aliphatic, cycloaliphatic, araliphatic or aromatic radical having 4 to 20 carbon atoms, it being possible for individual CH.sub.2 groups to be replaced by oxygen or sulfur atoms or by N or NH groups and/or contain keto groups,X is an unsubstituted or substituted aliphatic, cycloaliphatic, carbocyclic, heterocyclic or araliphatic radical having 2 to 22 carbon atoms, it being possible for individual CH.sub.2 groups to be replaced by oxygen or sulfur atoms or by the groups --NR.sup.3 --, --C(O)--0--, --C(O)--NR.sup.3 --, ##STR2## --NR.sup.3 --C(O)--NR.sup.4 --, --O--C(O)--NR.sup.3 --, ##STR3## or --O--C(O)--O--, or CH groups to be replaced by ##STR4## in which R.sup.3 and R.sup.4, independently of one another, are hydrogen or an unsubstituted or substituted aliphatic, carbocyclic or araliphatic radical,m is an integer from 3 to 8,n is an integer from 1 to 3, and m>n.The radiation-sensitive mixture is especially suitable for exposure to radiation having a wavelength of about 190 to 300 nm.
    • 描述了一种正性辐射敏感性混合物,其基本上含有光活性组分和在碱性水溶液中可溶或至少可溶胀的水不溶性粘合剂,其中使用化合物作为光敏组分,其含有α- 其中R 1和R 2彼此独立地是具有4至20个碳原子的未取代或取代的脂族,脂环族,芳脂族或芳族基团的重氮基 - β-酮酯单元和磺酸酯单元 各个CH 2基团可以被氧或硫原子或N或NH基团和/或含有酮基取代,X是未取代或取代的具有2至22个碳原子的脂族,脂环族,碳环,杂环或芳脂族基团 各个CH 2基团可以被氧或硫原子或基团-NR 3 - , - C(O)-O-,-C(O)-NR 3 - , - NR 3 -C (O)-NR 4 - , - OC(O)-NR 3 - , - 或 - OC (O)-O-或CH基团,其中R 3和R 4彼此独立地为氢或未取代或取代的脂族,碳环或芳脂族基团,m为3至8的整数 ,n为1〜3的整数,m> n。 辐射敏感混合物特别适用于暴露于波长为约190至300nm的辐射。