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    • 5. 发明授权
    • Compositions and processes for photolithography
    • 光刻的组成和工艺
    • US09507260B2
    • 2016-11-29
    • US12592160
    • 2009-11-19
    • Deyan WangChunyi WuCheng-Bai XuGeorge G. Barclay
    • Deyan WangChunyi WuCheng-Bai XuGeorge G. Barclay
    • G03F7/039G03F7/20G03F7/004G03F7/038G03F7/11G03F7/075
    • G03F7/0046G03F7/0382G03F7/0392G03F7/0397G03F7/0757G03F7/11G03F7/2041
    • New photoresist compositions are provided that are useful for immersion lithography. In one preferred aspect, photoresist composition are provided that comprise: (i) one or more resins that comprise photoacid-labile groups, (ii) a photoactive component, and (iii) one or more materials that comprise photoacid labile groups and that are distinct from the one or more resins; wherein the deprotection activation energy of photoacid-labile groups of the one or more materials is about the same as or lower than the deprotection activation energy of photoacid-labile groups of the one or more resins. In another preferred aspect, photoresist compositions are provided that comprise (i) one or more resins, (ii) a photoactive component, and (iii) one or more materials that comprise a sufficient amount of acidic groups to provide a dark field dissolution rate of at least one angstrom per second.
    • 提供了可用于浸没式光刻的新的光致抗蚀剂组合物。 在一个优选的方面,提供光致抗蚀剂组合物,其包含:(i)一种或多种包含光酸不稳定基团的树脂,(ii)光活性组分,和(iii)一种或多种包含光致酸不稳定基团并且是不同的 从一种或多种树脂; 其中所述一种或多种材料的光致酸不稳定基团的去保护活化能大约等于或低于所述一种或多种树脂的光致酸不稳定基团的去保护活化能。 在另一个优选的方面,提供光致抗蚀剂组合物,其包含(i)一种或多种树脂,(ii)光活性组分,和(iii)一种或多种包含足够量的酸性基团以提供暗场溶解速率的材料 每秒至少一埃。