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    • 3. 发明授权
    • Positive resist composition and resist pattern forming method
    • 正抗蚀剂组合物和抗蚀剂图案形成方法
    • US08062825B2
    • 2011-11-22
    • US11719179
    • 2005-11-28
    • Tomoyuki AndoTakako Hirosaki
    • Tomoyuki AndoTakako Hirosaki
    • G03F7/004
    • G03F7/0397G03F7/0392Y10S430/106Y10S430/111
    • A positive resist composition having excellent size controllability, and a resist pattern forming method are provided. This positive resist composition contains a resin component (A) comprising an alkali soluble constituent unit (a1) which comprises a constituent unit (a11) derived from (α-methyl)hydroxystyrene, and a constituent unit (a2) which has an acid dissociable dissolution inhibiting group including an acid dissociable dissolution inhibiting group (II) represented by the following general formula (II) and/or a specific chain acid dissociable dissolution inhibiting group (III); an acid generator component (B) which generates an acid upon exposure; and preferably contains an aromatic amine (C).
    • 提供具有优异的尺寸控制性的正型抗蚀剂组合物和抗蚀剂图案形成方法。 该正性抗蚀剂组合物含有包含碱可溶性结构单元(a1)的树脂组分(A),其包含衍生自(α-甲基)羟基苯乙烯的构成单元(a11)和具有酸解离溶解性的构成单元(a2) 包括由以下通式(II)表示的酸解离溶解抑制基团(II)和/或特定链酸解离溶解抑制基团(III)的组合物。 酸性发生剂组分(B),其在暴露时产生酸; 优选含有芳香族胺(C)。
    • 4. 发明授权
    • Positive resist composition and method of forming resist pattern
    • 正型抗蚀剂组合物和形成抗蚀剂图案的方法
    • US07727701B2
    • 2010-06-01
    • US10586694
    • 2005-01-14
    • Takuma HojoKiyoshi IshikawaTomoyuki Ando
    • Takuma HojoKiyoshi IshikawaTomoyuki Ando
    • G03F7/039G03F7/20G03F7/30G03F7/38
    • G03F7/0397G03F7/0392Y10S430/106Y10S430/122Y10S430/126
    • A positive resist composition that exhibits a large exposure margin, and excellent levels of resolution and dry etching resistance, as well as a method of forming a resist pattern that uses the positive resist composition. This resist composition includes a resin component (A), which contains acid dissociable, dissolution inhibiting groups and displays increased alkali solubility under the action of acid, and an acid generator component (B) that generates acid on exposure, wherein the resin component (A) contains a structural unit (a1) represented by a general formula (I) shown below, a structural unit (a2) in which a hydroxyl group within the above general formula (I) has been protected by substituting the hydrogen atom thereof with an acid dissociable, dissolution inhibiting group (II) represented by a general formula (II) shown below, and a structural unit (a3) in which a hydroxyl group within the above general formula (I) has been protected by substituting the hydrogen atom thereof with an acyclic acid dissociable, dissolution inhibiting group (III).
    • 显示出大的曝光裕度,优异的分辨率和耐干蚀刻性的阳性抗蚀剂组合物,以及形成使用正性抗蚀剂组合物的抗蚀剂图案的方法。 该抗蚀剂组合物包括含有酸解离的溶解抑制基团并在酸的作用下显示增加的碱溶性的树脂组分(A)和在曝光时产生酸的酸产生剂组分(B),其中树脂组分 )包含由下述通式(I)表示的结构单元(a1),其中通过用酸取代上述通式(I)中的羟基已被保护的结构单元(a2) 由下述通式(II)表示的可离解的溶解抑制基团(II)和其中通式(I)中的羟基用其取代氢原子进行保护的结构单元(a3) 无环酸解离,溶解抑制组(III)。
    • 5. 发明申请
    • Positive Resist Composition and Method of Forming Resist Pattern
    • 正电阻组合物和形成抗蚀剂图案的方法
    • US20080241747A1
    • 2008-10-02
    • US10586694
    • 2005-01-14
    • Takuma HojoKiyoshi IshikawaTomoyuki Ando
    • Takuma HojoKiyoshi IshikawaTomoyuki Ando
    • G03F7/004G03F7/26
    • G03F7/0397G03F7/0392Y10S430/106Y10S430/122Y10S430/126
    • A positive resist composition that exhibits a large exposure margin, and excellent levels of resolution and dry etching resistance, as well as a method of forming a resist pattern that uses the positive resist composition. This resist composition includes a resin component (A), which contains acid dissociable, dissolution inhibiting groups and displays increased alkali solubility under the action of acid, and an acid generator component (B) that generates acid on exposure, wherein the resin component (A) contains a structural unit (a1) represented by a general formula (I) shown below, a structural unit (a2) in which a hydroxyl group within the above general formula (I) has been protected by substituting the hydrogen atom thereof with an acid dissociable, dissolution inhibiting group (II) represented by a general formula (II) shown below, and a structural unit (a3) in which a hydroxyl group within the above general formula (I) has been protected by substituting the hydrogen atom thereof with an acyclic acid dissociable, dissolution inhibiting group (III).
    • 显示出大的曝光裕度,优异的分辨率和耐干蚀刻性的阳性抗蚀剂组合物,以及形成使用正性抗蚀剂组合物的抗蚀剂图案的方法。 该抗蚀剂组合物包括含有酸解离的溶解抑制基团并在酸的作用下显示增加的碱溶性的树脂组分(A)和在曝光时产生酸的酸产生剂组分(B),其中树脂组分 )包含由下述通式(I)表示的结构单元(a1),其中通过用酸取代上述通式(I)中的羟基已被保护的结构单元(a2) 由下述通式(II)表示的可离解的溶解抑制基团(II)和其中通式(I)中的羟基用其氢原子进行保护而被保护的结构单元(a3) 无环酸解离,溶解抑制组(III)。