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    • 5. 发明申请
    • HARDMASK COMPOSITION FOR PROCESSING RESIST UNDERLAYER FILM, PROCESS FOR PRODUCING SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE USING THE HARDMASK COMPOSITION, AND SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE PRODUCED BY THE PROCESS
    • 用于加工电阻膜的HARDMASK组合物,使用HARDMASK组合物生产半导​​体集成电路器件的方法以及由该工艺生产的半导体集成电路器件
    • WO2008063016A1
    • 2008-05-29
    • PCT/KR2007/005894
    • 2007-11-21
    • CHEIL INDUSTRIES INC.KIM, Mi YoungKIM, Sang KyunLIM, Sang HakKOH, Sang RanYUN, Hui ChanKIM, Do HyeonUH, Dong SeonKIM, Jong Seob
    • KIM, Mi YoungKIM, Sang KyunLIM, Sang HakKOH, Sang RanYUN, Hui ChanKIM, Do HyeonUH, Dong SeonKIM, Jong Seob
    • G03F7/004
    • C08G77/50C08L83/14G03F7/11G03F7/2022H01L21/02126H01L21/02216H01L21/02282H01L21/0271H01L21/31144H01L21/3122
    • A hardmask composition for processing a resist underlayer film is provided. The hardmask composition comprises an organosilane polymer and a solvent or a mixture of solvents wherein the organosilane polymer is prepared in the presence of an acid catalyst by polycondensation of hjdroly sates of compounds represented by Formulae 1, 2 and 3: ([R)1O]3S-X (1) wherein X is a C6-C30 functional group containing at least one substituted or unsubstituted aromatic ring and R1 is a C1-C6 alkyl group; [R2O]3S-R 3 (2) wherein R2 is a C1-C6 alkyl group and R3 is a C1-C12 alkyl group; and [R4O]3S-Y-S[OR 5]3 (3) wherein R4 and R5 are each independently a C1-C6 alkyl group, and Y is a linking group selected from the group consisting of aromatic rings, substituted or unsubstituted, linear or branched C1-C20 alkylene groups, C1-C20 alkylene groups containing an aromatic ring, a heterocyclic ring, an urea group or an isocyanurate group in the backbone and C2-C20 hydrocarbon groups containing at least one multiple bond. The hardmask composition exhibits excellent film characteristics and good storage stability and allows transferring a good pattern to a material layer due to its satisfactory hardmask characteristics. In addition, the hardmask composition has improved etch resistance against O 2 plasma gas upon subsequent etching for patterning. The hardmask composition can be used to form a highly hjdrophilic thin film, thus being effective in improving the interfacial compatibility of the thin film with an overlying antireflective coating. Further provided is a process for producing a semiconductor integrated circuit device using the hardmask composition.
    • 提供了用于加工抗蚀剂下层膜的硬掩模组合物。 所述硬掩模组合物包含有机硅烷聚合物和溶剂或溶剂混合物,其中有机硅烷聚合物是在酸催化剂存在下通过由式1,2和3表示的化合物的共聚物缩聚制备的:([R] 10] 3S-X(1)其中X是含有至少一个取代或未取代的芳环的C 6 -C 30官能团,R 1是C 1 -C 6烷基; [R2O] 3S-R 3(2)其中R2是C1-C6烷基,R3是C1-C12烷基; 和[R 40] 3S-YS [OR 5] 3(3)其中R 4和R 5各自独立地为C 1 -C 6烷基,Y为选自以下的连接基团:芳环,取代或未取代的直链或 支链C1-C20亚烷基,含有芳香环,杂环,脲基或异氰脲酸酯基的C1-C20亚烷基和含有至少一个多重键的C 2 -C 20烃基。 硬掩模组合物表现出优异的膜特性和良好的储存稳定性,并且由于其令人满意的硬掩模特性,可以将良好的图案转印到材料层。 此外,随后的图案化蚀刻,硬掩模组合物具有改善的对O 2等离子体气体的耐蚀刻性。 硬掩模组合物可以用于形成高亲水性薄膜,因此有效地改善薄膜与上覆抗反射涂层的界面相容性。 还提供了使用硬掩模组合物制造半导体集成电路器件的方法。