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    • 5. 发明授权
    • High-k metal gate random access memory
    • 高k金属门随机存取存储器
    • US08779494B2
    • 2014-07-15
    • US13426825
    • 2012-03-22
    • Tzung-Han LeeChung-Lin HuangRon-Fu Chu
    • Tzung-Han LeeChung-Lin HuangRon-Fu Chu
    • H01L29/94
    • H01L27/10873H01L27/10885H01L27/10891
    • The instant disclosure relates to a high-k metal gate random access memory. The memory includes a substrate, a plurality of bit line units, source regions, gate structures, drain regions, word line units, and capacitance units. The substrate has a plurality of trenches, and the bit line units are arranged on the substrate. The source regions are disposed on the bit line units, and the gate structures are disposed on the source regions. Each gate structure has a metal gate and a channel area formed therein. The gate structures are topped with the drain regions. The word lines units are arranged between the source and drain regions. The capacitance units are disposed on the drain regions. Another memory is also disclosed, where each drain region and a portion of each gate structure are disposed in the respective capacitance unit, with the drain region being a lower electrode layer.
    • 本公开涉及高k金属栅极随机存取存储器。 存储器包括衬底,多个位线单元,源极区,栅极结构,漏极区,字线单元和电容单元。 衬底具有多个沟槽,并且位线单元布置在衬底上。 源极区域设置在位线单元上,栅极结构设置在源极区域上。 每个栅极结构具有形成在其中的金属栅极和沟道区域。 栅极结构顶部带有漏极区域。 字线单元布置在源区和漏区之间。 电容单元设置在漏极区域上。 还公开了另一种存储器,其中每个漏极区域和每个栅极结构的一部分设置在相应的电容单元中,漏极区域是下部电极层。
    • 6. 发明授权
    • Manufacturing method of random access memory
    • 随机存取存储器的制造方法
    • US08703562B2
    • 2014-04-22
    • US13426832
    • 2012-03-22
    • Tzung-Han LeeChung-Lin HuangRon-Fu Chu
    • Tzung-Han LeeChung-Lin HuangRon-Fu Chu
    • H01L21/8238
    • H01L27/10894H01L27/10823H01L27/10876H01L27/10885
    • A manufacturing method of a random access memory includes the following steps: providing a semiconductor structure having an array region and a peripheral region; forming a plurality of first trenches in the array region, and concurrently, a plurality of second trenches on the peripheral region; forming a polysilicon layer to cover the array region and the peripheral region, and the first and the second trenches are filled up with the polysilicon layer; planarizing the polysilicon layer so the remaining polysilicon layer only resides in the first and the second trenches; forming a conductive layer on the semiconductor structure; patterning the conductive layer to form a plurality of landing pads on the array region, and a plurality of bit line units on the peripheral region; and forming a plurality of capacitor units which is in electrical connection to the landing pads.
    • 随机存取存储器的制造方法包括以下步骤:提供具有阵列区域和周边区域的半导体结构; 在阵列区域中形成多个第一沟槽,同时在周边区域上形成多个第二沟槽; 形成多晶硅层以覆盖阵列区域和外围区域,并且第一和第二沟槽被多晶硅层填充; 平坦化多晶硅层,使得剩余的多晶硅层仅驻留在第一和第二沟槽中; 在半导体结构上形成导电层; 图案化导电层以在阵列区域上形成多个着陆焊盘,以及在周边区域上形成多个位线单元; 以及形成与所述着陆焊盘电连接的多个电容器单元。
    • 7. 发明申请
    • MEMORY LAYOUT STRUCTURE AND MEMORY STRUCTURE
    • 存储器布局结构和存储器结构
    • US20130119448A1
    • 2013-05-16
    • US13343668
    • 2012-01-04
    • Tzung-Han LeeChung-Lin HuangRon Fu Chu
    • Tzung-Han LeeChung-Lin HuangRon Fu Chu
    • H01L27/108
    • H01L27/10823H01L27/10855H01L27/10876H01L27/10891H01L28/90
    • A memory array layout includes an active region array having a plurality of active regions, wherein the active regions are arranged alternatively along a second direction and parts of the side of the adjacent active regions are overlapped along a second direction; a plurality of first doped region, wherein each first doped region is disposed in a middle region; a plurality of second doped region, wherein each second doped region is disposed in a distal end region respectively; a plurality of recessed gate structures; a plurality of word lines electrically connected to each recessed gate structure respectively; a plurality of digit lines electrically connected to the first doped region respectively; and a plurality of capacitors electrically connected to each second doped region respectively.
    • 存储器阵列布局包括具有多个有源区域的有源区域阵列,其中有源区域沿着第二方向交替布置,并且相邻有源区域的一部分侧沿第二方向重叠; 多个第一掺杂区域,其中每个第一掺杂区域设置在中间区域中; 多个第二掺杂区域,其中每个第二掺杂区域分别设置在远端区域中; 多个凹入栅结构; 分别电连接到每个凹入栅结构的多个字线; 分别电连接到第一掺杂区的多个数字线; 以及分别与每个第二掺杂区域电连接的多个电容器。
    • 8. 发明申请
    • FABRICATING METHOD OF DRAM STRUCTURE
    • DRAM结构的制作方法
    • US20130052786A1
    • 2013-02-28
    • US13297276
    • 2011-11-16
    • Tzung-Han LeeChung-Lin HuangRon Fu Chu
    • Tzung-Han LeeChung-Lin HuangRon Fu Chu
    • H01L21/02
    • H01L27/10894H01L27/10855H01L27/10876H01L27/10888H01L29/66545
    • A fabricating method of a DRAM structure includes providing a substrate comprising a memory array region and a peripheral region. A buried gate transistor is disposed within the memory array region, and a planar gate transistor is disposed within the peripheral region. Furthermore, an interlayer dielectric layer covers the memory array region, the buried gate transistor and the planar gate transistor. Then, a capping layer of the planar gate transistor and part of the interlayer dielectric layer are removed simultaneously so that a first contact hole, a second contact hole and a third contact hole are formed in the interlayer dielectric layer. A drain doping region of the buried gate transistor is exposed through the first contact hole, a doping region of the planar gate transistor is exposed through the second contact hole, and a gate electrode of the planar gate transistor is exposed through the third contact hole.
    • DRAM结构的制造方法包括提供包括存储器阵列区域和外围区域的衬底。 掩埋栅极晶体管设置在存储器阵列区域内,并且平面栅极晶体管设置在周边区域内。 此外,层间电介质层覆盖存储器阵列区域,掩埋栅极晶体管和平面栅极晶体管。 然后,同时去除平面栅晶体管的覆盖层和层间电介质层的一部分,使得在层间电介质层中形成第一接触孔,第二接触孔和第三接触孔。 埋入栅极晶体管的漏极掺杂区域通过第一接触孔露出,平面栅极晶体管的掺杂区域通过第二接触孔露出,平面栅极晶体管的栅电极通过第三接触孔露出。
    • 9. 发明授权
    • Method for manufacturing capacitor lower electrodes of semiconductor memory
    • 制造半导体存储器的电容器下电极的方法
    • US08288224B2
    • 2012-10-16
    • US12699399
    • 2010-02-03
    • Shin-Bin HuangTzung-Han LeeChung-Lin Huang
    • Shin-Bin HuangTzung-Han LeeChung-Lin Huang
    • H01L21/8242
    • H01L28/92
    • A method for manufacturing capacitor lower electrodes includes a dielectric layer, a first silicon nitride layer and a hard mask layer; partially etching the hard mask layer, the first silicon nitride layer and the dielectric layer to form a plurality of concave portions; depositing a second silicon nitride layer onto the hard mask layer and into the concave portions; partially etching the second silicon nitride layer, the hard mask layer and the dielectric layer to form a plurality of trenches; forming a capacitor lower electrode within each trench and partially etching the first silicon nitride layer, the second silicon nitride layer, the dielectric layer and the capacitor lower electrodes to form an etching area; and etching and removing the dielectric layer from the etching area, thereby a periphery of each capacitor lower electrode is surrounded and attached to by the second silicon nitride layer.
    • 制造电容器下电极的方法包括电介质层,第一氮化硅层和硬掩模层; 部分地蚀刻硬掩模层,第一氮化硅层和电介质层以形成多个凹部; 在所述硬掩模层上沉积第二氮化硅层并进入所述凹部; 部分蚀刻第二氮化硅层,硬掩模层和电介质层以形成多个沟槽; 在每个沟槽内形成电容器下电极,并部分地蚀刻第一氮化硅层,第二氮化硅层,电介质层和电容器下电极以形成蚀刻区域; 并且从蚀刻区域蚀刻除去电介质层,由此每个电容器下电极的周围被第二氮化硅层包围并附着。