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US07214467B2 Photosensitive resin composition 有权
感光树脂组合物

Photosensitive resin composition
摘要:
The photosensitive resin composition of the present invention is an excellent photosensitive resin composition: exhibiting significant transmissibility at the use of an exposure light source of 160 nm or less, more specifically F2 excimer laser light, where line edge roughness and development time dependence are small and a problem of footing formation is improved; and comprising a resin which decomposes by an action of acid to increase the solubility in alkali developer, in which the resin contains a specific repeat unit; a compound capable of generating an acid upon irradiation with one of an actinic ray and a radiation, in which the compound includes at least two kinds of compounds selected from the group consisting of specific compounds (B1), (B2), (B3) and (B4).
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