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    • 9. 发明申请
    • PHOTORESIST COMPOSITIONS AND METHOD FOR MULTIPLE EXPOSURES WITH MULTIPLE LAYER RESIST SYSTEMS
    • 多层耐蚀系统多光照的组合物和方法
    • US20090155715A1
    • 2009-06-18
    • US12356187
    • 2009-01-20
    • Kuang-Jung ChenWu-Song HuangWai-Kin LiPushkara Rao VaranasiSen Liu
    • Kuang-Jung ChenWu-Song HuangWai-Kin LiPushkara Rao VaranasiSen Liu
    • G03F7/20G03F7/004
    • G03F7/0045G03F7/0035G03F7/0397G03F7/40
    • A method and a resist composition. The resist composition includes a polymer having repeating units having a lactone moiety, a thermal base generator capable of generating a base and a photosensitive acid generator. The polymer has the properties of being substantially soluble in a first solvent and becoming substantially insoluble after heating the polymer. The method includes forming a film of a photoresist including a polymer, a thermal base generator capable of releasing a base, a photosensitive acid generator, and a solvent. The film is patternwise imaged. The imaging includes exposing the film to radiation, resulting in producing an acid catalyst. The film is developed in an aqueous base, resulting in removing base-soluble regions and forming a patterned layer. The patterned layer is baked above the temperature, resulting in the thermal base generator releasing a base within the patterned layer and the patterned layer becoming insoluble in the solvent.
    • 一种方法和抗蚀剂组合物。 抗蚀剂组合物包括具有内酯部分的重复单元的聚合物,能够产生碱的热碱发生剂和感光酸产生剂。 聚合物具有基本上可溶于第一溶剂的性质,并且在加热聚合物之后变得基本上不溶。 该方法包括形成包含聚合物的光致抗蚀剂膜,能够释放碱的热碱发生器,光敏酸产生剂和溶剂。 该影片被图案化成像。 成像包括将膜暴露于辐射,导致产生酸催化剂。 该膜在水性碱中显影,导致去除碱溶性区域并形成图案层。 图案化层被烘烤高于该温度,导致热基发生器释放图案化层内的基底并且图案化层变得不溶于溶剂。
    • 10. 发明授权
    • Top coat material and use thereof in lithography processes
    • 面漆材料及其在光刻工艺中的应用
    • US07700262B2
    • 2010-04-20
    • US12044004
    • 2008-03-07
    • Wenjie LiMargaret C. LawsonPushkara Rao Varanasi
    • Wenjie LiMargaret C. LawsonPushkara Rao Varanasi
    • G03F7/00G03F7/004
    • G03F7/11G03F7/0046G03F7/2041Y10T428/3154
    • A top coat material for applying on top of a photoresist material is disclosed. The top coat material includes a polymer, which includes at least one fluorosulfonamide monomer unit having one of the following two structures: wherein: M is a polymerizable backbone moiety; Z is a linking moiety selected from the group consisting of —C(O)O—, —C(O)—, —OC(O)—, and —O—C(O)—C(O)—O—; R1 is selected from the group consisting of an alkylene, an arylene, a semi- or perfluorinated alkylene, and a semi- or perfluorinated arylene; p and q are 0 or 1; R2 is selected from the group consisting of hydrogen, fluorine, an alkyl group of 1 to 6 carbons, and a semi- or perfluorinated alkyl group of 1 to 6 carbons; n is an integer from 1 to 6; and R3 is selected from the group consisting of hydrogen, an alkyl, an aryl, a semi- or perfluorinated alkyl, and a semi- or perfluorinated aryl. The top coat material may be used in lithography processes, wherein the top coat material is applied on a photoresist layer. The top coat material is preferably soluble in aqueous alkaline developer. The top coat material is also preferably insoluble in water, and is therefore particularly useful in immersion lithography techniques using water as the imaging medium.
    • 公开了一种用于涂覆在光致抗蚀剂材料上的顶涂层材料。 面漆材料包括聚合物,其包括至少一种具有以下两种结构之一的氟磺酰胺单体单元:其中:M是可聚合主链部分; Z是选自-C(O)O-,-C(O) - , - OC(O) - 和-O-C(O)-C(O)-O-的连接部分; R1选自亚烷基,亚芳基,半或全氟亚烷基,以及半或全氟化亚芳基; p和q为0或1; R2选自氢,氟,1至6个碳的烷基和1至6个碳的半或全氟化烷基; n是1至6的整数; 并且R 3选自氢,烷基,芳基,半或全氟烷基和半或全氟芳基。 面漆材料可以用在光刻工艺中,其中将顶涂层材料施加在光致抗蚀剂层上。 顶涂层材料优选可溶于含水碱性显影剂。 面漆材料也优选不溶于水,因此特别适用于使用水作为成像介质的浸渍光刻技术。