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    • 4. 发明授权
    • Method for forming fine pattern of semiconductor device
    • 用于形成半导体器件精细图案的方法
    • US07977035B2
    • 2011-07-12
    • US11617445
    • 2006-12-28
    • Jae Chang Jung
    • Jae Chang Jung
    • G03F7/20
    • H01L21/32139H01L21/0337H01L21/0338
    • A method for manufacturing a fine pattern of a semiconductor device comprising: forming hard mask patterns having a thickness of t1 over an underlying layer; forming a light penetrable thin film having a thickness of t2 over the hard mask pattern; forming a light absorbable thin film over light penetrable thin film; performing an exposure process on the resulting structure without use of an exposure mask while controlling an amount of exposure energy such that an exposure light reaches a depth T measured from a top surface of the light penetrable thin film to a top surface of the underlying layer such that t2
    • 一种用于制造半导体器件的精细图案的方法,包括:在下层上形成厚度为t1的硬掩模图案; 在硬掩模图案上形成厚度为t2的可透光薄膜; 在光穿透薄膜上形成可吸收光的薄膜; 在不使用曝光掩模的同时对所得到的结构进行曝光处理,同时控制曝光能量的量,使得曝光光达到从透光薄膜的顶表面到底层的顶表面测量的深度T, t2