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    • 4. 发明申请
    • Methods of Forming a Photoresist Pattern Using Plasma Treatment of Photoresist Patterns
    • 使用等离子体处理光刻胶图案形成光刻胶图案的方法
    • US20110300712A1
    • 2011-12-08
    • US13103375
    • 2011-05-09
    • Kyoung-Mi KimJeong-Ju ParkMi-Ra ParkBo-Hee LeeJae-Ho KimYoung-Ho Kim
    • Kyoung-Mi KimJeong-Ju ParkMi-Ra ParkBo-Hee LeeJae-Ho KimYoung-Ho Kim
    • H01L21/308H01L21/312
    • H01L21/0273H01L21/0337H01L21/0338H01L21/3086H01L21/3088H01L21/31144H01L21/32139H01L27/11521
    • Methods of forming a photoresist pattern include forming a first photoresist pattern on a substrate and treating the first photoresist pattern with plasma that modifies etching characteristics of the first photoresist pattern. This modification may include making the first photoresist pattern more susceptible to removal during subsequent processing. The plasma-treated first photoresist pattern is covered with a second photoresist layer, which is patterned into a second photoresist pattern that contacts sidewalls of the plasma-treated first photoresist pattern. The plasma-treated first photoresist pattern is selectively removed from the substrate to reveal the remaining second photoresist pattern. The second photoresist pattern is used as an etching mask during the selective etching of a portion of the substrate (e.g., target layer). The use of the second photoresist pattern as an etching mask may yield narrower linewidths in the etched portion of the substrate than are achievable using the first photoresist pattern alone.
    • 形成光致抗蚀剂图案的方法包括在基板上形成第一光致抗蚀剂图案,并用等离子体处理第一光致抗蚀剂图案,其改变第一光致抗蚀剂图案的蚀刻特性。 该修改可以包括使第一光致抗蚀剂图案在随后的处理期间更易于去除。 等离子体处理的第一光致抗蚀剂图案被第二光致抗蚀剂层覆盖,第二光致抗蚀剂层被图案化成与等离子体处理的第一光致抗蚀剂图案的侧壁接触的第二光致抗蚀剂 从衬底选择性地去除等离子体处理的第一光致抗蚀剂图案以显示剩余的第二光致抗蚀剂图案。 在选择性蚀刻基板(例如,目标层)的一部分期间,将第二光致抗蚀剂图案用作蚀刻掩模。 使用第二光致抗蚀剂图案作为蚀刻掩模可以在衬底的蚀刻部分中产生比仅使用第一光致抗蚀剂图案可实现的更窄的线宽。
    • 7. 发明申请
    • Semiconductor memory device and related fabrication method
    • 半导体存储器件及相关制造方法
    • US20070224758A1
    • 2007-09-27
    • US11516750
    • 2006-09-07
    • Jeong-Ju Park
    • Jeong-Ju Park
    • H01L21/8242
    • H01L27/10885H01L21/76831H01L21/76834H01L27/10855
    • Embodiments of the invention provide a semiconductor memory device and a method for fabricating the semiconductor memory device. The semiconductor memory device comprises a source region and a drain region disposed in a semiconductor substrate; a buried contact disposed on and electrically connected to the source region of the transistor; and a direct contact disposed on and electrically connected to the drain region of the transistor, wherein an upper surface of the direct contact is disposed at a different height than an upper surface of the buried contact. The semiconductor memory device further comprises a bit line disposed on and electrically connected to the direct contact and thereby electrically connected to the drain region; and a lower electrode of a capacitor disposed on and electrically connected to the buried contact and thereby electrically connected to the source region.
    • 本发明的实施例提供半导体存储器件和制造半导体存储器件的方法。 半导体存储器件包括设置在半导体衬底中的源极区域和漏极区域; 设置在晶体管的源极区域上并与之电连接的埋入触点; 以及设置在晶体管的漏极区域并电连接到晶体管的漏极区域的直接接触,其中直接接触件的上表面设置在与埋入接触件的上表面不同的高度处。 所述半导体存储器件还包括位线,其布置在所述直接触点上并电连接到所述直接触点,从而电连接到所述漏极区; 以及电容器的下电极,其布置在所述埋入触点上并电连接到所述掩埋触点,从而电连接到所述源极区。