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    • 71. 发明授权
    • Method of fabricating non-volatile memory device
    • 制造非易失性存储器件的方法
    • US07915120B2
    • 2011-03-29
    • US12432187
    • 2009-04-29
    • Jung-Woo ParkJin-Ki JungKwon HongKi-Seon Park
    • Jung-Woo ParkJin-Ki JungKwon HongKi-Seon Park
    • H01L21/336
    • H01L27/11519H01L27/11521
    • Provided is a method of fabricating a non-volatile semiconductor device. The method includes: forming a first hard mask layer over a substrate; etching the first hard mask layer and the substrate to form a plurality of isolation trenches extending in parallel to one another in a first direction; burying a dielectric layer in the isolation trenches to form a isolation layer; forming a plurality of floating gate mask patterns extending in parallel to one another in a second direction intersecting with the first direction over a resulting structure where the isolation layer is formed; etching the first hard mask layer by using the floating gate mask patterns as an etch barrier to form a plurality of island-shaped floating gate electrode trenches; and burying a conductive layer in the floating gate electrode trenches to form a plurality of island-shaped floating gate electrodes.
    • 提供一种制造非易失性半导体器件的方法。 该方法包括:在衬底上形成第一硬掩模层; 蚀刻第一硬掩模层和衬底以形成在第一方向上彼此平行延伸的多个隔离沟槽; 在隔离沟槽中埋置介电层以形成隔离层; 在形成所述隔离层的结果上形成在与所述第一方向相交的第二方向上彼此平行延伸的多个浮栅掩模图案; 通过使用浮栅掩模图案作为蚀刻势垒来蚀刻第一硬掩模层,以形成多个岛状浮栅电极沟槽; 并在所述浮栅电极沟槽中埋设导电层以形成多个岛状浮栅。
    • 73. 发明授权
    • Tunnel insulating layer of flash memory device and method of forming the same
    • 闪存器件的隧道绝缘层及其形成方法
    • US07846797B2
    • 2010-12-07
    • US12345617
    • 2008-12-29
    • Kwon Hong
    • Kwon Hong
    • H01L21/336
    • H01L29/513H01L21/28273H01L21/3144
    • The present invention discloses a tunnel insulating layer in a flash memory device and a method of forming the same, the method according to the present invention comprises the steps of forming a first oxide layer on a semiconductor substrate through a first oxidation process; forming a nitride layer on an interface between the semiconductor substrate and the first oxide layer through a first nitridation process; forming a second nitride layer on the first oxide layer through a second nitridation process; forming a second oxide layer on the second nitride layer through a second oxidation process; and forming a third nitride layer on the second oxide layer through a third nitridation process.
    • 本发明公开了闪速存储器件中的隧道绝缘层及其形成方法,根据本发明的方法包括以下步骤:通过第一氧化工艺在半导体衬底上形成第一氧化物层; 通过第一氮化工艺在所述半导体衬底和所述第一氧化物层之间的界面上形成氮化物层; 通过第二氮化工艺在所述第一氧化物层上形成第二氮化物层; 通过第二氧化工艺在所述第二氮化物层上形成第二氧化物层; 以及通过第三次氮化处理在所述第二氧化物层上形成第三氮化物层。
    • 80. 发明授权
    • Methods for forming ferroelectric capacitors
    • 形成铁电电容器的方法
    • US06605538B2
    • 2003-08-12
    • US09221621
    • 1998-12-28
    • Kwon Hong
    • Kwon Hong
    • H01L2100
    • H01L28/56H01L21/31641H01L28/57
    • Provided are methods for forming ferroelectric capacitors, which prevent decreasing ferroelectric characteristics due to the reaction of a ferroelectric layer with hydroxyl group induced from a inter-layer insulating film which will be formed and contacted with the ferroelectric layer after the formation of the ferroelectric capacitor. After a ferroelectric film such as Pb(Zr,Ti)O3 (PZT) is formed, a ZrO2 film, which is insulator and excellent in diffusion barrier characteristics, is formed so as to enclose the entire ferroelectric layer in order to prevent the damage generated by the reaction. The characteristics of the ferroelectric capacitor are enhanced by the invention.
    • 提供了形成铁电电容器的方法,其防止了在形成铁电电容器之后将形成并与铁电层接触的层间绝缘膜引起的铁电层与羟基反应的铁电特性降低。 在形成诸如Pb(Zr,Ti)O 3(PZT)的铁电体膜之后,形成绝缘体并具有优异的扩散阻挡特性的ZrO 2膜,以便包围整个铁电层,以防止产生的损伤 通过反应。 本发明增强了铁电电容器的特性。