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    • 3. 发明申请
    • Method for forming resist pattern and method for manufacturing a semiconductor device
    • 用于形成抗蚀剂图案的方法和用于制造半导体器件的方法
    • US20090081593A1
    • 2009-03-26
    • US12292170
    • 2008-11-13
    • Junichi KonEi Yano
    • Junichi KonEi Yano
    • H01L21/02G03F7/20
    • G03F7/0397G03F7/0045Y10S430/114Y10S430/115Y10S430/12Y10S430/121Y10S430/122Y10S430/128Y10S430/143
    • The resist material contains a photo-acid generator having an absorption peak to exposure light having a wavelength of less than 300 nm, and a second photo-acid generator having an absorption peak to exposure light having a wavelength of 300 nm or more. The method for forming a resist pattern comprises a step for selectively exposing which exposes a coating film of the resist material to an exposure light having a wavelength of less than 300 nm, and a step for selectively exposing by using an exposure light having a wavelength of 300 nm or more. The semiconductor device comprises a pattern formed by the resist pattern. The method for forming a semiconductor device comprises a step for forming a resist pattern on an underlying layer by the aforementioned manufacturing method, and a step for patterning the underlying layer by etching using the resist pattern as a mask.
    • 抗蚀剂材料包含具有对波长小于300nm的曝光光具有吸收峰的光酸产生器和具有波长为300nm或更大的曝光光的吸收峰的第二光酸产生器。 形成抗蚀剂图案的方法包括用于选择性曝光的步骤,其将抗蚀剂材料的涂膜暴露于波长小于300nm的曝光光,以及通过使用具有波长为 300nm以上。 半导体器件包括由抗蚀剂图案形成的图案。 用于形成半导体器件的方法包括通过上述制造方法在下层形成抗蚀剂图案的步骤,以及通过使用抗蚀剂图案作为掩模通过蚀刻对下层进行图案化的步骤。