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    • 6. 发明授权
    • Capacitor of semiconductor device
    • 半导体器件电容器
    • US06380579B1
    • 2002-04-30
    • US09547940
    • 2000-04-11
    • Sang-don NamJin-won Kim
    • Sang-don NamJin-won Kim
    • H01L27108
    • H01L28/75H01L28/55
    • A capacitor of a semiconductor device which uses a high dielectric layer and a method of manufacturing the same are provided. The capacitor includes a storage electrode having at least two conductive patterns which overlap each other and a thermally-stable material layer pattern being positioned between the conductive layer patterns. The storage electrode and the thermally-stable material layer pattern are formed by alternately forming a conductive layer and a thermally-stable material layer, and patterning the conductive layer and the thermally-stable material layer to have predetermined shapes. With the present structure, it is possible to prevent the storage electrode from being transformed or broken during a thermal treatment process for forming a high dielectric layer on the storage electrode or in a subsequent high temperature thermal treatment process.
    • 提供了使用高介电层的半导体器件的电容器及其制造方法。 电容器包括具有彼此重叠的至少两个导电图案的存储电极和位于导电层图案之间的热稳定材料层图案。 存储电极和热稳定材料层图案通过交替形成导电层和热稳定材料层而形成,并且将导电层和热稳定材料层图案化以具有预定形状。 利用本结构,可以防止在用于在存储电极上形成高电介质层的热处理工艺中或在随后的高温热处理工艺中存储电极变形或破裂。
    • 10. 发明授权
    • Ferroelectric memory devices having expanded plate lines
    • 具有扩展板线的铁电存储器件
    • US07560760B2
    • 2009-07-14
    • US11859958
    • 2007-09-24
    • Hyun-Ho KimDong-Jin JungKi-Nam KimSang-Don NamKyu-Mann Lee
    • Hyun-Ho KimDong-Jin JungKi-Nam KimSang-Don NamKyu-Mann Lee
    • H01L27/115
    • H01L27/11502G11C11/22H01L27/11507
    • A ferroelectric memory device includes a microelectronic substrate and a plurality of ferroelectric capacitors on the substrate, arranged as a plurality of row and columns in respective row and column directions. A plurality of parallel plate lines overlie the ferroelectric capacitors and extend along the row direction, wherein a plate line contacts ferroelectric capacitors in at least two adjacent rows. The plurality of plate lines may include a plurality of local plate lines, and the ferroelectric memory device may further include an insulating layer disposed on the local plate lines and a plurality of main plate lines disposed on the insulating layer and contacting the local plate lines through openings in the insulating layer. In some embodiments, ferroelectric capacitors in adjacent rows share a common upper electrode, and respective ones of the local plate lines are disposed on respective ones of the common upper electrodes. Ferroelectric capacitors in adjacent rows may share a common ferroelectric dielectric region. Related fabrication methods are discussed.
    • 铁电存储器件包括微电子衬底和在衬底上的多个铁电电容器,被布置为在行和列方向上的多个行和列。 多个平行板线覆盖在铁电电容器上并沿着行方向延伸,其中板线在至少两个相邻行中接触铁电电容器。 多个板线可以包括多个局部板线,并且铁电存储器件还可以包括设置在局部板线上的绝缘层和设置在绝缘层上的多个主板线,并且使本地板线通过 绝缘层中的开口。 在一些实施例中,相邻行中的铁电电容器共享公共上电极,并且各自的局部板线设置在相应的公共上电极上。 相邻行中的铁电电容器可以共享公共铁电电介质区域。 讨论相关的制造方法。