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    • 1. 发明授权
    • Method of forming isolation layer in semiconductor device
    • 在半导体器件中形成隔离层的方法
    • US08343846B2
    • 2013-01-01
    • US12131229
    • 2008-06-02
    • Cha Deok Dong
    • Cha Deok Dong
    • H01L21/76
    • H01L21/76224H01L21/76232
    • A method of forming isolation layer in a semiconductor device, comprising forming a trench on an isolation region of a semiconductor substrate by etching utilizing an isolation mask; forming a first insulating layer on a lower portion of the trench; forming a second insulating layer on the semiconductor substrate including the first insulating layer; etching the second insulating layer to increase an aspect ratio on the isolation region; and forming a third insulating layer on a peripheral region of the second insulating layer to fill moats formed on the second insulating layer with the third insulating layer.
    • 一种在半导体器件中形成隔离层的方法,包括:利用隔离掩模通过蚀刻在半导体衬底的隔离区上形成沟槽; 在沟槽的下部形成第一绝缘层; 在包括第一绝缘层的半导体衬底上形成第二绝缘层; 蚀刻第二绝缘层以增加隔离区上的纵横比; 以及在所述第二绝缘层的周边区域上形成第三绝缘层,以用所述第三绝缘层填充形成在所述第二绝缘层上的护城河。
    • 3. 发明授权
    • Flash memory device and method of fabricating the same
    • 闪存装置及其制造方法
    • US07932159B2
    • 2011-04-26
    • US12943578
    • 2010-11-10
    • Cha Deok Dong
    • Cha Deok Dong
    • H01L21/76
    • H01L27/11521H01L21/76232
    • The present invention relates to flash memory devices and a method of fabricating the same. In an aspect of the present invention, the flash memory device includes trenches formed in a semiconductor substrate and having a step at their lower portion, a tunnel insulating layer formed in an active region of the semiconductor substrate, first conductive layers formed on the tunnel insulating layer, an isolation layer gap-filling between the trenches and the first conductive layers, and a second conductive layer formed on the first conductive layer and having one side partially overlapping with the isolation layers.
    • 闪存器件及其制造方法技术领域本发明涉及闪速存储器件及其制造方法。 在本发明的一个方面,闪存器件包括形成在半导体衬底中并且在其下部具有台阶的沟槽,形成在半导体衬底的有源区中的隧道绝缘层,形成在隧道绝缘层上的第一导电层 沟槽和第一导电层之间的隔离层间隙填充,以及形成在第一导电层上并具有与隔离层部分重叠的一侧的第二导电层。
    • 4. 发明申请
    • Method of Forming Isolation Layer in Semiconductor Device
    • 在半导体器件中形成隔离层的方法
    • US20090170282A1
    • 2009-07-02
    • US12131229
    • 2008-06-02
    • Cha Deok Dong
    • Cha Deok Dong
    • H01L21/76
    • H01L21/76224H01L21/76232
    • A method of forming isolation layer in a semiconductor device, comprising forming a trench on an isolation region of a semiconductor substrate by etching utilizing an isolation mask; forming a first insulating layer on a lower portion of the trench; forming a second insulating layer on the semiconductor substrate including the first insulating layer; etching the second insulating layer to increase an aspect ratio on the isolation region; and forming a third insulating layer on a peripheral region of the second insulating layer to fill moats formed on the second insulating layer with the third insulating layer.
    • 一种在半导体器件中形成隔离层的方法,包括:利用隔离掩模通过蚀刻在半导体衬底的隔离区上形成沟槽; 在沟槽的下部形成第一绝缘层; 在包括第一绝缘层的半导体衬底上形成第二绝缘层; 蚀刻第二绝缘层以增加隔离区上的纵横比; 以及在所述第二绝缘层的周边区域上形成第三绝缘层,以用所述第三绝缘层填充形成在所述第二绝缘层上的护城河。
    • 7. 发明授权
    • Method of forming an isolation layer in a semiconductor devices
    • 在半导体器件中形成隔离层的方法
    • US06849519B2
    • 2005-02-01
    • US10611500
    • 2003-07-01
    • Cha Deok Dong
    • Cha Deok Dong
    • H01L21/76H01L21/265H01L21/762
    • H01L21/76213H01L21/76205H01L21/76235
    • A method of forming an isolation layer in semiconductor devices is disclosed. The method includes forming the isolating film by means of a method in which a method of forming a V-type trench at the isolation region, implanting ions capable of accelerating oxidization action into the center portion of the V-type trench, implementing an oxidization process to form an insulating film consisting of an oxide film at the isolation region, and then completely burying the trench with an insulating material, using the LOCOS method, and a method of forming a trench type isolation layer, are applied together. Therefore, as the top corner of the trench is formed with an inclination, and a concentration of the electric field and a formation of a moat can be simultaneously prevented.
    • 公开了一种在半导体器件中形成隔离层的方法。 该方法包括通过以下方法形成隔离膜:其中在隔离区域形成V型沟槽的方法,将能够加速氧化作用的离子注入到V型沟槽的中心部分中,实现氧化过程 在隔离区域形成由氧化物膜构成的绝缘膜,然后使用LOCOS方法和形成沟槽型隔离层的方法将绝缘材料完全埋入沟槽中。 因此,由于沟槽的顶角形成倾斜,并且可以同时防止电场的集中和护城河的形成。
    • 8. 发明授权
    • Method of forming oxynitride film
    • 形成氮氧化物膜的方法
    • US06777348B2
    • 2004-08-17
    • US10631362
    • 2003-07-31
    • Seung Woo ShinCha Deok Dong
    • Seung Woo ShinCha Deok Dong
    • H01L2131
    • H01L21/0214H01L21/02238H01L21/02255H01L21/02332H01L21/02337H01L21/3144H01L21/31662
    • Disclosed is a method of forming an oxynitride film. The method comprises the steps of loading a silicon substrate into an oxidization furnace, implanting an oxygen based source gas into the oxidization furnace to grow a pure silicon oxide film on the silicon substrate, blocking implantation of the oxygen based source gas and implanting an inert gas to exhaust the oxygen based source gas remaining within the oxidization furnace, raising a temperature within the oxidization furnace to a nitrification process temperature, stabilizing the temperature within the oxidization furnace, implementing a nitrification process for the pure silicon oxide film by implanting a nitrogen based source gas, and stopping implantation of the nitrogen based source gas and rapidly cooling the oxidization furnace while implanting the inert gas into the oxidization furnace.
    • 公开了形成氮氧化物膜的方法。 该方法包括以下步骤:将硅衬底装载到氧化炉中,将氧基源气体注入到氧化炉中以在硅衬底上生长纯氧化硅膜,阻止氧基源气体的注入和注入惰性气体 排出残留在氧化炉内的氧气源气体,将氧化炉内的温度升高至硝化处理温度,稳定氧化炉内的温度,通过注入氮源,实施纯氧化硅膜的硝化处理 气体,并停止氮源气体的注入,并在将惰性气体注入氧化炉的同时快速冷却氧化炉。