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    • 2. 发明申请
    • METHODS OF FORMING FINE PATTERNS OF SEMICONDUCTOR DEVICE
    • 形成半导体器件精细图案的方法
    • US20110027993A1
    • 2011-02-03
    • US12794890
    • 2010-06-07
    • Seongho MoonYool KangHyoungHee KimSeokhwan OhSo-Ra HanSeongwoon Choi
    • Seongho MoonYool KangHyoungHee KimSeokhwan OhSo-Ra HanSeongwoon Choi
    • H01L21/308
    • H01L21/32139G03F7/40H01L21/0273H01L21/0338H01L21/31144
    • A method of forming fine patterns of a semiconductor device is provided. The method includes forming plural preliminary first mask patterns, which are spaced apart from each other by a first distance in a direction parallel to a surface of a substrate, on the substrate; forming an acid solution layer on the substrate to cover the plural preliminary first mask patterns; forming plural first mask patterns which are spaced apart from each other by a second distance larger than the first distance, of which upper and side portions are surrounded by acid diffusion regions having first solubility; exposing the first acid diffusion regions by removing the acid solution layer; forming a second mask layer having second solubility lower than the first solubility in spaces between the acid diffusion regions; and forming plural second mask patterns located between the plural first mask patterns, respectively, by removing the acid diffusion regions by the dissolvent.
    • 提供了形成半导体器件的精细图案的方法。 该方法包括在基板上形成在平行于基板的表面的方向上彼此间隔开第一距离的多个初步第一掩模图案; 在所述基板上形成酸溶液层以覆盖所述多个初步第一掩模图案; 形成彼此间隔开大于第一距离的第二距离的多个第一掩模图案,其中上侧部分和第二部分被具有第一溶解度的酸性扩散区域包围; 通过除去酸溶液层暴露第一酸扩散区; 在所述酸扩散区之间形成第二掩模层,所述第二掩模层的第二溶解度低于所述第一溶解度; 以及分别通过所述溶剂除去所述酸扩散区而形成位于所述多个第一掩模图案之间的多个第二掩模图案。
    • 6. 发明授权
    • Chemically amplified resist composition
    • 化学放大抗蚀剂组合物
    • US06280903B1
    • 2001-08-28
    • US09618142
    • 2000-07-17
    • Yool KangSang-Jun ChoiDong-Won JungChun-Geun ParkYoung-Bum Koh
    • Yool KangSang-Jun ChoiDong-Won JungChun-Geun ParkYoung-Bum Koh
    • G03C1492
    • G03F7/039G03F7/0045
    • Copolymers and terpolymers are used in chemically amplified resists. The terpolymers are of the formula: wherein R3 is selected from the group consisting of hydrogen and a C1 to C10 aliphatic hydrocarbon, wherein said aliphatic hydrocarbon contains substituents selected from the group consisting of hydrogen, hydroxy, carboxylic acid, carboxylic anhydride, and combinations thereof. R4 is selected from the group consisting of hydrogen and a C1 to C10 aliphatic hydrocarbon, wherein said aliphatic hydrocarbon contains substituents selected from the group consisting of hydrogen, hydroxy, carboxylic acid, carboxylic anhydride, and combinations thereof; R5 is selected from the group consisting of hydrogen and methyl; R6 is selected from the group consisting of t-butyl and tetrahydropyranyl; M and n are each integers; and wherein n/(m+n) ranges from about 0.1 to about 0.5.
    • 共聚物和三元共聚物用于化学增强抗蚀剂。 三元共聚物具有下式:其中R 3选自氢和C 1至C 10脂族烃,其中所述脂族烃包含选自氢,羟基,羧酸,羧酸酐及其组合的取代基 。 R 4选自氢和C 1至C 10脂族烃,其中所述脂族烃包含选自氢,羟基,羧酸,羧酸酐及其组合的取代基; R5选自氢和甲基; R6选自叔丁基和四氢吡喃基; M和n分别是整数; 并且其中n /(m + n)为约0.1至约0.5。
    • 10. 发明授权
    • Methods for forming line patterns in semiconductor substrates
    • 在半导体衬底中形成线图案的方法
    • US06803176B2
    • 2004-10-12
    • US10227067
    • 2002-08-23
    • Sang-jun ChoiYool KangJoo-tae MoonJeong-hee ChungSang-gyun Woo
    • Sang-jun ChoiYool KangJoo-tae MoonJeong-hee ChungSang-gyun Woo
    • G03F740
    • G03F7/40
    • A method for forming a fine pattern in a semiconductor substrate, by coating a target layer to be etched on a semiconductor substrate with a resist composition including at least one compound capable of forming a photoresist pattern by a photolithography process, and a free radical initiator. The free radical initiator is capable of being decomposed by a thermal process at a temperature equal to or higher than the glass transition temperature of the at least one compound. A lithography process is performed on the resist compound layer to form a photoresist pattern. The resist compound layer having the photoresist pattern formed therein is heated to a temperature equal to or higher than the glass transition temperature of the at least one compound, and wherein a partial cross-linking reaction in the resist composition occurs.
    • 一种在半导体衬底中形成精细图案的方法,其中通过用光刻工艺将包含至少一种能形成光致抗蚀剂图案的化合物的抗蚀剂组合物涂覆在半导体衬底上的待蚀刻靶材层和自由基引发剂。 自由基引发剂能够在等于或高于至少一种化合物的玻璃化转变温度的温度下被热处理分解。 在抗蚀剂化合物层上进行光刻工艺以形成光致抗蚀剂图案。 将其中形成有光致抗蚀剂图案的抗蚀剂化合物层加热到等于或高于至少一种化合物的玻璃化转变温度的温度,并且其中发生抗蚀剂组合物中的部分交联反应。