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    • 9. 发明申请
    • RESIST SENSITIZER
    • 耐性敏感剂
    • WO2010005428A1
    • 2010-01-14
    • PCT/US2008/069413
    • 2008-07-08
    • MASSACHUSETTS INSTITUTE OF TECHNOLOGY (MIT)FEDYNYSHYN, Theodore, H.
    • FEDYNYSHYN, Theodore, H.
    • G03F7/004G03F7/039G03F7/075G03F7/20
    • G03F7/0754G03F7/0045G03F7/0392G03F7/2041
    • Methods and compositions for enhancing the sensitivity of a resist composition are disclosed. In one aspect, compositions for use with a matrix material (e.g., a lithographically sensitive polymeric material) are formulated with an acid generator and a sensitizer, where the sensitizer can be present in a relatively small amount. The sensitizer includes a compound with one or more silicon-silicon bonds, and can act to enhance the efficiency of acid generation when the resist is impinged by a selected lithographic radiation. The methods of the present invention can be especially useful in performing short wavelength (e.g., less than 200 nm) lithography, or for processes such as e-beam lithography, which traditionally suffer from low throughput.
    • 公开了用于提高抗蚀剂组合物的灵敏度的方法和组合物。 在一个方面,与基质材料(例如,光刻性敏感的聚合物材料)一起使用的组合物用酸产生剂和敏化剂配制,其中敏化剂可以以相对少的量存在。 敏化剂包括具有一个或多个硅 - 硅键的化合物,并且当抗蚀剂被所选择的光刻辐射照射时,可以起提高酸产生效率的作用。 本发明的方法在执行短波长(例如,小于200nm)光刻或者传统上具有低生产量的诸如电子束光刻的过程中尤其有用。