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    • 2. 发明申请
    • METHOD OF FORMING FINE PATTERN AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE
    • 形成精细图案的方法和制造半导体器件的方法
    • US20120329224A1
    • 2012-12-27
    • US13495510
    • 2012-06-13
    • Yoo-chul KongJin-kwan LeeGyung-jin MinSeong-soo Lee
    • Yoo-chul KongJin-kwan LeeGyung-jin MinSeong-soo Lee
    • H01L21/308H01L21/336
    • H01L21/31144H01L21/0332H01L27/11556H01L27/11582
    • A method of forming a fine pattern and a method of manufacturing a semiconductor device. The method of forming a fine pattern includes: forming a hard mask layer on a to-be-etched layer; forming on the hard mask layer a first mask pattern including a plurality of elongated openings that are arranged at predetermined intervals in a first direction and a second direction different from the first direction and are offset from each other in adjacent columns in the second direction; forming on the hard mask layer a second mask pattern including at least two linear openings that each pass through the elongated openings in the adjacent columns and extend in the first direction; forming a hard mask pattern by etching the hard mask layer by using the second mask pattern as an etch mask; and etching the to-be-etched layer by using the hard mask pattern.
    • 形成精细图案的方法和制造半导体器件的方法。 形成精细图案的方法包括:在被蚀刻层上形成硬掩模层; 在所述硬掩模层上形成第一掩模图案,所述第一掩模图案包括多个细长开口,所述第一掩模图案沿着第一方向以不同于第一方向的第二方向以预定间隔布置,并且在相邻列中沿第二方向彼此偏移; 在所述硬掩模层上形成包括至少两个线性开口的第二掩模图案,每个所述至少两个线性开口穿过所述相邻列中的所述细长开口并在所述第一方向上延伸; 通过使用第二掩模图案作为蚀刻掩模来蚀刻硬掩模层来形成硬掩模图案; 并通过使用硬掩膜图案蚀刻被蚀刻层。
    • 5. 发明授权
    • Semiconductor memory device having self-aligned contacts and method of fabricating the same
    • 具有自对准触点的半导体存储器件及其制造方法
    • US06885052B2
    • 2005-04-26
    • US09790240
    • 2001-02-21
    • Tae-hyuk AhnMyeong-cheol KimJung-hyeon LeeByeong-yun NamGyung-jin Min
    • Tae-hyuk AhnMyeong-cheol KimJung-hyeon LeeByeong-yun NamGyung-jin Min
    • H01L27/10H01L21/60H01L21/8242H01L27/108H01L29/76H01L29/94H01L31/119
    • H01L27/10855H01L21/76897H01L27/10814H01L27/10888
    • A semiconductor memory device having self-aligned contacts, capable of preventing a short-circuit between contacts for bit lines and contacts for storage electrodes and improving a process margin, and a method of fabricating the same are provided. The semiconductor memory device having self-aligned contacts includes a plurality of gate electrode patterns arranged in parallel on a semiconductor substrate, in which a plurality of first spacers are formed along the sidewalls of the gate electrode patterns, a first interdielectric layer formed on the entire surface of a resultant in which the first spacers are formed, a plurality of bit line patterns arranged in parallel on the first interdielectric layer to be perpendicular to the gate electrode patterns, in which a plurality of second spacers are formed along the sidewalls of the bit line patterns, a plurality of contacts for bit lines self-aligned with the first spacers, a second interdielectric layer formed on the entire surface of a resultant in which the second spacers are formed, and a plurality of contacts for storage electrodes simultaneously self-aligned with the second and first spacers.
    • 一种具有自对准触点的半导体存储器件及其制造方法,其特征在于能够防止位线触点和存储电极触点之间的短路,并提高加工余量。 具有自对准触点的半导体存储器件包括平行布置在半导体衬底上的多个栅电极图案,其中多个第一间隔物沿着栅电极图案的侧壁形成,第一绝缘层整体形成 其中形成有第一间隔物的结果的表面,在第一电介质层上平行布置成垂直于栅极电极图案的多个位线图案,其中沿着该位的侧壁形成多个第二间隔物 线图案,用于与第一间隔物自对准的位线的多个触点,形成在其中形成有第二间隔物的结果的整个表面上的第二电介质层和用于存储电极的多个触点同时自对准 与第二和第一间隔物。