发明授权
US4539285A Photosensitive negative diazo composition with two acrylic polymers for photolithography 失效
具有两种用于光刻的丙烯酸聚合物的感光负性重氮组合物

Photosensitive negative diazo composition with two acrylic polymers for
photolithography
摘要:
An improved resin coated substrate is prepared by coating a suitable substrate, such as aluminum with a composition comprising a salt having the structure A-N.sub.2.sup.+ X.sup.- wherein A is an aromatic or heterocyclic residue and X is an anion of an acid; and a binder composition comprising both an acrylic polymer and an acid containing acrylic copolymer.
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