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    • 3. 发明授权
    • Non-volatile memory including assist gate
    • 包括辅助门的非易失性存储器
    • US07528438B2
    • 2009-05-05
    • US11162035
    • 2005-08-26
    • Ko-Hsing ChangChiu-Tsung Huang
    • Ko-Hsing ChangChiu-Tsung Huang
    • H01L29/788H01L29/76
    • G11C16/0491G11C16/0425H01L27/115H01L27/11521H01L29/42328
    • A non-volatile memory is provided. An assist gate structure is formed on a substrate such that the width at the bottom of the assist gate structure is greater than the width at the top of the assist gate structure. A floating gate is formed on one side of the assist gate structure and disposed between a word line and the substrate. The width at the bottom of the floating gate is smaller than the width at the top of the floating gate. The word line, the floating gate and the assist gate structure together form a memory unit. A tunneling dielectric layer is formed between the floating gate and the substrate. An inter-gate dielectric layer is formed between the word line, the floating gate and the assist gate structure. Source/drain regions are formed in the substrate on the respective sides of the memory unit.
    • 提供非易失性存储器。 辅助栅极结构形成在基板上,使得辅助栅极结构底部的宽度大于辅助栅极结构顶部的宽度。 浮动栅极形成在辅助栅极结构的一侧并且设置在字线和基板之间。 浮动栅极底部的宽度小于浮动栅极顶部的宽度。 字线,浮栅和辅助栅结构一起形成存储单元。 在浮动栅极和衬底之间形成隧穿电介质层。 在字线,浮栅和辅助栅结构之间形成栅极间电介质层。 源极/漏极区域形成在存储器单元的相应侧上的衬底中。
    • 4. 发明申请
    • NON-VOLATILE MEMORY AND MANUFACTURING METHOD THEREOF
    • 非易失性存储器及其制造方法
    • US20060186459A1
    • 2006-08-24
    • US11162035
    • 2005-08-26
    • Ko-Hsing ChangChiu-Tsung Huang
    • Ko-Hsing ChangChiu-Tsung Huang
    • H01L29/788H01L21/336
    • G11C16/0491G11C16/0425H01L27/115H01L27/11521H01L29/42328
    • A non-volatile memory is provided. An assist gate structure is formed on a substrate such that the width at the bottom of the assist gate structure is greater than the width at the top of the assist gate structure. A floating gate is formed on one side of the assist gate structure and disposed between a word line and the substrate. The width at the bottom of the floating gate is smaller than the width at the top of the floating gate. The word line, the floating gate and the assist gate structure together form a memory unit. A tunneling dielectric layer is formed between the floating gate and the substrate. An inter-gate dielectric layer is formed between the word line, the floating gate and the assist gate structure. Source/drain regions are formed in the substrate on the respective sides of the memory unit.
    • 提供非易失性存储器。 辅助栅极结构形成在基板上,使得辅助栅极结构底部的宽度大于辅助栅极结构顶部的宽度。 浮动栅极形成在辅助栅极结构的一侧并且设置在字线和基板之间。 浮动栅极底部的宽度小于浮动栅极顶部的宽度。 字线,浮栅和辅助栅结构一起形成存储单元。 在浮动栅极和衬底之间形成隧穿电介质层。 在字线,浮栅和辅助栅结构之间形成栅极间电介质层。 源极/漏极区域形成在存储器单元的相应侧上的衬底中。
    • 6. 发明申请
    • [MULTI-LEVEL MEMORY CELL]
    • [多级记忆体]
    • US20050145919A1
    • 2005-07-07
    • US10707677
    • 2004-01-02
    • Ko-Hsing ChangChiu-Tsung Huang
    • Ko-Hsing ChangChiu-Tsung Huang
    • H01L21/28H01L21/336H01L29/792H01L29/76
    • H01L29/66833H01L21/28282H01L29/7923
    • A multi-level memory cell including a substrate, a tunneling dielectric layer, a charge-trapping layer, a top dielectric layer, a gate and a pair of source/drain regions is provided. The tunneling dielectric layer, the charge-trapping layer and the top dielectric layer are sequentially formed between the substrate and the gate. The top dielectric layer has at least two portions, and the top dielectric layer in each portion has a different thickness. The source/drain regions are disposed in the substrate on each side of the gate. Since the thickness of the top dielectric layer in each portion is different, the electric field strength between the gate and the substrate when a voltage is applied to the memory cell are different in each portion. With the number of charges trapped within the charge-trapping layer different in each portion, a multiple of data bits can be stored within each memory cell.
    • 提供了包括衬底,隧道电介质层,电荷俘获层,顶部电介质层,栅极和一对源极/漏极区域的多层存储单元。 隧道介电层,电荷俘获层和顶部电介质层依次形成在基板和栅极之间。 顶部电介质层具有至少两个部分,并且每个部分中的顶部电介质层具有不同的厚度。 源极/漏极区域设置在栅极的每一侧的衬底中。 由于各部分的顶部电介质层的厚度不同,所以当向存储单元施加电压时,栅极与衬底之间的电场强度各不相同。 由于每个部分中的电荷俘获层内陷入的电荷数量不同,所以可以在每个存储单元内存储多个数据位。
    • 8. 发明授权
    • Method for forming buried doped region
    • 用于形成掩埋掺杂区的方法
    • US07465632B2
    • 2008-12-16
    • US11163728
    • 2005-10-28
    • Chiu-Tsung HuangSu-Yuan Chang
    • Chiu-Tsung HuangSu-Yuan Chang
    • H01L21/336
    • H01L21/74H01L21/26513
    • A method for forming a buried doped region is provided. A first insulating layer is formed on a substrate and the first insulating layer is patterned to from an opening that extends in a first direction. A buried doped region is formed in the substrate exposed by the opening. Thereafter, a second insulating layer is formed on the substrate to fill the opening. The second insulating layer together with the first insulation layer form a third insulating layer. The third insulating layer is patterned to form an isolation layer that exposes the substrate and the buried doped region. The isolation layer extends in a second direction and crosses over the first direction. A semiconductor layer is formed on the substrate to fill the areas on the respective sides of the isolation layer.
    • 提供一种形成掩埋掺杂区域的方法。 第一绝缘层形成在基板上,并且第一绝缘层从沿第一方向延伸的开口图案化。 在由开口暴露的衬底中形成掩埋掺杂区域。 此后,在基板上形成第二绝缘层以填充开口。 第二绝缘层与第一绝缘层一起形成第三绝缘层。 将第三绝缘层图案化以形成暴露衬底和掩埋掺杂区域的隔离层。 隔离层在第​​二方向上延伸并跨过第一方向。 在衬底上形成半导体层以填充隔离层的相应侧面上的区域。
    • 10. 发明授权
    • Method of manufacturing semiconductor device
    • 制造半导体器件的方法
    • US07056787B2
    • 2006-06-06
    • US10905610
    • 2005-01-12
    • Ko-Hsing ChangChiu-Tsung Huang
    • Ko-Hsing ChangChiu-Tsung Huang
    • H01L21/8242H01L21/20H01L21/4763
    • H01L21/7681H01L21/76802H01L21/76808H01L23/5223H01L23/5226H01L23/53295H01L28/55H01L2924/0002H01L2924/00
    • A method of manufacturing a semiconductor device. The method comprises steps of providing a substrate having a first metal layer and a second metal layer formed thereon. A first dielectric layer, an etching stop layer having a first opening located above the first metal layer and a second opening located above the second metal layer and a second dielectric layer are formed sequentially. A portion of the first dielectric layer and a portion of the second dielectric layer are removed to form a first trench exposing the first metal layer. A capacitor dielectric layer is formed over the substrate. A third opening is formed in the capacitor dielectric layer. A portion of the second dielectric layer and a portion of the first dielectric layer exposed by the third opening are removed to form an opening. A metal layer is formed to fill out the first trench and the opening.
    • 一种制造半导体器件的方法。 该方法包括提供具有形成在其上的第一金属层和第二金属层的基板的步骤。 顺序地形成第一电介质层,具有位于第一金属层上方的第一开口和位于第二金属层上方的第二开口的蚀刻停止层和第二介电层。 去除第一电介质层的一部分和第二电介质层的一部分以形成露出第一金属层的第一沟槽。 在衬底上形成电容器电介质层。 在电容器电介质层中形成第三开口。 第二电介质层的一部分和被第三开口暴露的第一电介质层的一部分被去除以形成开口。 形成金属层以填充第一沟槽和开口。