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    • 2. 发明申请
    • METHOD FOR FORMING RESIST PATTERNS AND METHOD FOR PRODUCING PATTEREND SUBSTRATES EMPLOYING THE RESIST PATTERNS
    • 形成电阻图案的方法和生产使用电阻图案的图案基板的方法
    • WO2012133932A1
    • 2012-10-04
    • PCT/JP2012/059290
    • 2012-03-29
    • FUJIFILM CORPORATIONOHTSU, AkihikoNISHIMAKI, Katsuhiro
    • OHTSU, AkihikoNISHIMAKI, Katsuhiro
    • G03F7/00
    • H01L21/3065B82Y10/00B82Y40/00G03F7/0002
    • [Objective] To enable the widths of protrusions of a resist pattern after residual film etching steps to be a desired value greater than or equal to the widths of the protrusions of the resist pattern prior to the residual film etching steps. [Constitution] Residual film etching steps for etching a resist film (2) onto which a pattern (13) of protrusions and recesses (13) has been formed includes: a first etching step that employs a first etching gas including a sedimentary gas that generates sediment (4) during etching to etch the resist film under conditions such that the sediment (4) is deposited on the side walls (2a) of protrusions of a resist pattern while residual film (2b) is etched. The conditions are set such that steps following the first etching step etch the resist film (2) such that the widths of the protrusions (2a) including the deposited sediment (4) become a desired width greater than or equal to the widths of the protrusions (2a) prior to the residual film etching steps.
    • [目的]为了使剩余膜蚀刻工序后的抗蚀剂图案的突起的宽度成为大于或等于残留膜蚀刻步骤之前的抗蚀剂图案的突起的宽度的期望值。 [构成]用于蚀刻蚀刻形成有突起和凹陷(13)的图案(13)的抗蚀剂膜(2)的残留膜蚀刻步骤包括:第一蚀刻步骤,其使用包括产生沉积气体的沉积气体的第一蚀刻气体 在蚀刻期间蚀刻抗蚀剂膜的沉淀物(4),使得沉积物(4)沉积在抗蚀剂图案的突起的侧壁(2a)上,同时蚀刻残余膜(2b)。 条件被设置为使得在第一蚀刻步骤之后的步骤蚀刻抗蚀剂膜(2),使得包括沉积的沉积物(4)的突起(2a)的宽度变成大于或等于突起的宽度的期望宽度 (2a)之前的剩余膜蚀刻步骤。