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    • 32. 发明申请
    • Method of Fabricating Flash Memory Device
    • 制造闪存设备的方法
    • US20100167490A1
    • 2010-07-01
    • US12629920
    • 2009-12-03
    • Jong-wan ChoiYong-soon ChoiBo-young LeeEunkee HongEun-kyung BaekJu-seon Goo
    • Jong-wan ChoiYong-soon ChoiBo-young LeeEunkee HongEun-kyung BaekJu-seon Goo
    • H01L21/762
    • H01L27/11521H01L27/11524
    • Provided are methods of fabricating flash memory devices that may prevent a short circuit from occurring between cell gate lines. Methods of fabricating such flash memory devices may include forming gate lines including a series of multiple cell gate lines and multiple selection gate lines. Each gate line may include a stacked structure of a tunnel insulating layer, a floating gate, a gate insulating layer, and/or a polysilicon layer operable to be a control gate, all formed on a semiconductor substrate. Methods may include forming a first insulating layer that selectively fills gaps between the cell gate lines from the bottom up and between adjacent ones of the cell gate lines and the selection gate lines, and does not fill a space located on outer sides of the selection gate lines that are opposite the plurality of cell gate lines. A spacer may be formed on the outer sides of the selection gate lines that are opposite to the cell gate lines, after forming the first insulating layer. A second insulating layer may be formed in a space where the spacer is formed.
    • 提供了制造闪存器件的方法,其可以防止在单元栅极线之间发生短路。 制造这种闪存器件的方法可以包括形成包括一系列多单元栅极线和多个选择栅极线的栅极线。 每个栅极线可以包括全部形成在半导体衬底上的隧道绝缘层,浮动栅极,栅极绝缘层和/或可操作为控制栅极的多晶硅层的堆叠结构。 方法可以包括形成第一绝缘层,其选择性地从底部向上和相邻的单元栅极线和选择栅极线之间填充单元栅极线之间的间隙,并且不填充位于选择栅极的外侧的空间 与多个单元栅极线相对的线。 在形成第一绝缘层之后,可以在选择栅极线的与单元栅极线相对的外侧上形成间隔物。 可以在形成间隔物的空间中形成第二绝缘层。
    • 34. 发明申请
    • Semiconductor devices having multilayer isolation structures and methods of forming semiconductor devices having multilayer isolation structures
    • 具有多层隔离结构的半导体器件和形成具有多层隔离结构的半导体器件的方法
    • US20060054989A1
    • 2006-03-16
    • US11209879
    • 2005-08-23
    • Hong-Gun KimEunkee HongKyu-Tae Na
    • Hong-Gun KimEunkee HongKyu-Tae Na
    • C23C16/00
    • C23C16/45523C23C16/045C23C16/401
    • A semiconductor device includes a first structure having a recess having a bottom and opposing side surfaces, and a second structure conformally disposed on the bottom and side surfaces of the recess. The second structure includes a multilayer having two layers having a thickness substantially smaller than a width of the recess. Methods of manufacturing a semiconductor device include providing a first structure having a recess in a deposition chamber and flowing first and second reactants over the first structure for a first period at first and second flow rates. Then, the flow rates of the first second reactants to the first structure are substantially reduced for a pause period. The first and second reactants are then flowed over the first structure for a second period at third and fourth flow rates. The deposition and pause steps may be repeated until a multilayer having a desired thickness is formed.
    • 半导体器件包括具有底部和相对侧表面的凹部的第一结构以及保形地设置在凹部的底部和侧表面上的第二结构。 第二结构包括具有两个层的多层,其厚度基本上小于凹部的宽度。 制造半导体器件的方法包括提供在沉积室中具有凹槽的第一结构,并且使第一和第二反应物以第一和第二流速在第一结构上流动第一期间。 然后,第一第二反应物对第一结构的流速在暂停时间段内显着降低。 然后将第一和第二反应物以第三和第四流速在第一结构上流动第二时段。 可以重复沉积和暂停步骤,直到形成具有期望厚度的多层。
    • 39. 发明授权
    • Method of forming a trench isolation layer and method of manufacturing a non-volatile memory device using the same
    • 形成沟槽隔离层的方法和使用其形成非易失性存储器件的方法
    • US07601588B2
    • 2009-10-13
    • US11267360
    • 2005-11-04
    • Jong-Wan ChoiHong-Gun KimKyu-Tae NaEunkee Hong
    • Jong-Wan ChoiHong-Gun KimKyu-Tae NaEunkee Hong
    • H01L21/336
    • H01L27/11521H01L21/76232H01L27/115
    • In a method of forming a device isolation layer for minimizing a parasitic capacitor and a non-volatile memory device using the same, a trench is formed on a substrate. A first insulation layer is formed on a top surface of the substrate and on inner surfaces of the trench, so that the trench is partially filled with the first insulation layer. A second insulation layer is formed on the first insulation layer to a thickness to fill up the trench, thereby forming a preliminary isolation layer. An etching rate of the second insulation layer is different from that of the first insulation layer. A recess is formed at a central portion of the preliminary isolation layer by partially removing the first and second insulation layers, thereby forming the device isolation layer including the recess. The recess in the device isolation layer reduces a parasitic capacitance in a non-volatile memory device.
    • 在形成用于最小化寄生电容器的器件隔离层和使用其的非易失性存储器件的方法中,在衬底上形成沟槽。 第一绝缘层形成在衬底的顶表面和沟槽的内表面上,使得沟槽部分地被第一绝缘层填充。 在第一绝缘层上形成第二绝缘层至填充沟槽的厚度,从而形成预备隔离层。 第二绝缘层的蚀刻速率与第一绝缘层的蚀刻速率不同。 通过部分去除第一绝缘层和第二绝缘层,在预隔离层的中心部分处形成凹部,从而形成包括凹部的器件隔离层。 器件隔离层中的凹槽降低了非易失性存储器件中的寄生电容。