公开(公告)号：US20110086490A1

公开(公告)日：2011-04-14

申请号：US12720977

申请日：2010-03-10

Applicant: HSIAO-LEI WANG ,  SHIN BIN HUANG ,  CHING-NAN HSIAO ,  CHUNG-LIN HUANG

Inventor： HSIAO-LEI WANG ,  SHIN BIN HUANG ,  CHING-NAN HSIAO ,  CHUNG-LIN HUANG

IPC: H01L21/02 ,  H01L21/8242

CPC classification number: H01L28/91 ,  H01L21/31111 ,  H01L27/10852

Abstract: A single-side implanting process for capacitors of stack DRAM is disclosed. Firstly, form a stacked structure with a dielectric layer and an insulating nitride layer on a semi-conductor substrate and etch the stacked structure to form a plurality of trenches. Then, form conductive metal plates respectively on an upper surface of the stacked structure and bottoms of the trenches, form a continuous conductive nitride film, form a continuous oxide film, and form a photo resist layer for covering the trenches which are provided for isolation. Then, form a plurality of implanted oxide areas on a single-side surface, remove the photo resist layer, remove the plurality of implanted oxide areas, remove the conductive metal plates and the conductive nitride film uncovered by the oxide film, and remove the oxide film and the dielectric film.

Abstract translation: 公开了用于堆叠DRAM的电容器的单侧注入工艺。 首先，在半导体基板上形成具有介电层和绝缘氮化物层的堆叠结构，并蚀刻该层叠结构以形成多个沟槽。 然后，分别在层叠结构的上表面和沟槽的底部形成导电性金属板，形成连续的导电性氮化物膜，形成连续的氧化膜，形成用于覆盖设置用于隔离的沟槽的光致抗蚀剂层。 然后，在单面表面上形成多个注入的氧化物区域，去除光致抗蚀剂层，去除多个注入的氧化物区域，去除未被氧化膜覆盖的导电金属板和导电氮化物膜，并除去氧化物 薄膜和电介质薄膜。

公开(公告)号：US20110084325A1

公开(公告)日：2011-04-14

申请号：US12649361

申请日：2009-12-30

Applicant: Hsiao-Lei Wang ,  Chung-Lin Huang ,  Hung-Chang Liao ,  Shih-Lung Chen

Inventor： Hsiao-Lei Wang ,  Chung-Lin Huang ,  Hung-Chang Liao ,  Shih-Lung Chen

IPC: H01L27/108 ,  H01L21/762

CPC classification number: H01L27/10894 ,  H01L21/76229 ,  H01L27/10897

Abstract: An oxide spacer for stack DRAM gate stack is described, including: a semiconductor substrate with a memory array region and a periphery region, a plurality of gates disposed within the memory array region and the periphery region respectively, a silicon oxide spacer disposed on the gates, where the polysilicon contact plugs are formed by polysilicon deposition and chemical mechanical polish. After polysilicon contact plugs are formed, a silicon oxide layer is deposited to isolate the contacts and gate. The silicon oxide layer on top of contact plug is removed by chemical mechanical polish achieve planarization.

Abstract translation: 描述了一种用于堆叠DRAM栅极堆叠的氧化物间隔物，包括：具有存储器阵列区域和外围区域的半导体衬底，分别设置在存储器阵列区域和外围区域内的多个栅极，设置在栅极上的氧化硅间隔物 其中多晶硅接触插塞通过多晶硅沉积和化学机械抛光形成。 在形成多晶硅接触塞之后，沉积氧化硅层以隔离触点和栅极。 通过化学机械抛光去除接触塞顶部的氧化硅层，实现平面化。

公开(公告)号：US07855124B2

公开(公告)日：2010-12-21

申请号：US12035529

申请日：2008-02-22

Applicant: Hung-Ming Tsai ,  Ching-Nan Hsiao ,  Chung-Lin Huang

Inventor： Hung-Ming Tsai ,  Ching-Nan Hsiao ,  Chung-Lin Huang

IPC: H01L21/76

CPC classification number: H01L21/823437 ,  H01L21/28273 ,  H01L21/823468 ,  H01L21/823481 ,  H01L27/11521

Abstract: A method for forming a semiconductor device, includes the steps of providing a substrate; forming a patterned stack on the substrate including a first dielectric layer on the substrate, a first conductive layer on the first dielectric layer and a mask layer on the first conductive layer, wherein a width of the mask layer is smaller than a width of the first conductive layer; forming a second dielectric layer on the sidewall of the patterned stack; forming a third dielectric layer on the substrate; forming a second conductive layer over the substrate; and removing the mask layer and a portion of the first conductive layer covered by the mask layer to form an opening so as to partially expose the first conductive layer.

Abstract translation: 一种形成半导体器件的方法，包括以下步骤：提供衬底; 在所述衬底上形成图案化的叠层，所述衬底上包括在所述衬底上的第一电介质层，所述第一电介质层上的第一导电层和所述第一导电层上的掩模层，其中所述掩模层的宽度小于所述第一导电层的宽度 导电层; 在所述图案化叠层的侧壁上形成第二电介质层; 在所述基板上形成第三电介质层; 在所述衬底上形成第二导电层; 以及去除所述掩模层和由所述掩模层覆盖的所述第一导电层的一部分以形成开口以部分地暴露所述第一导电层。

公开(公告)号：US20100279499A1

公开(公告)日：2010-11-04

申请号：US12839387

申请日：2010-07-19

Applicant: Hung-Mine Tsai ,  Ching-Nan Hsiao ,  Chung-Lin Huang

Inventor： Hung-Mine Tsai ,  Ching-Nan Hsiao ,  Chung-Lin Huang

IPC: H01L21/8247

CPC classification number: H01L27/11521

Abstract: A method for manufacturing a memory includes first providing a substrate with a horizontally adjacent control gate region and floating gate region which includes a sacrificial layer and sacrificial sidewalls, removing the sacrificial layer and sacrificial sidewalls to expose the substrate, forming dielectric sidewalls adjacent to the control gate region, forming a floating gate dielectric layer on the exposed substrate and forming a floating gate layer adjacent to the dielectric sidewalls and on the floating gate dielectric layer.

Abstract translation: 一种用于制造存储器的方法，包括首先提供具有水平相邻的控制栅极区域和浮置栅极区域的衬底，该栅极区域包括牺牲层和牺牲侧壁，去除牺牲层和牺牲侧壁以露出衬底，形成邻近控制的电介质侧壁 栅极区域，在暴露的衬底上形成浮栅电介质层，并形成与电介质侧壁相邻的浮栅极和浮置栅极电介质层。

公开(公告)号：US07781804B2

公开(公告)日：2010-08-24

申请号：US12101164

申请日：2008-04-11

Applicant: Hung-Mine Tsai ,  Ching-Nan Hsiao ,  Chung-Lin Huang

Inventor： Hung-Mine Tsai ,  Ching-Nan Hsiao ,  Chung-Lin Huang

IPC: H01L29/80

CPC classification number: H01L27/115 ,  H01L27/0207 ,  H01L27/11519 ,  H01L27/11521 ,  H01L27/11524 ,  H01L27/11568

Abstract: A non-volatile memory disposed on a substrate includes active regions, a memory array, and contacts. The active regions defined by isolation structures disposed in the substrate are extended in a first direction. The memory array is disposed on the substrate and includes memory cell columns, control gate lines and select gate lines. Each of the memory cell columns includes memory cells connected to one another in series and a source/drain region disposed in the substrate outside the memory cells. The contacts are disposed on the substrate at a side of the memory array and arranged along a second direction. The second direction crosses over the first direction. Each of the contacts extends across the isolation structures and connects the source/drain regions in the substrate at every two of the adjacent active regions.

Abstract translation: 设置在基板上的非易失性存储器包括有源区，存储器阵列和触点。 由设置在基板中的隔离结构限定的有源区域沿第一方向延伸。 存储器阵列设置在衬底上，并且包括存储单元列，控制栅极线和选择栅极线。 每个存储单元列包括彼此串联的存储单元和设置在存储单元外部的衬底中的源/漏区。 触点在存储器阵列的一侧设置在衬底上，并沿第二方向布置。 第二个方向穿过第一个方向。 每个触点延伸穿过隔离结构，并且在每个相邻的活性区域的每两个处连接衬底中的源极/漏极区域。

公开(公告)号：US20100013062A1

公开(公告)日：2010-01-21

申请号：US12244295

申请日：2008-10-02

Applicant: Shin-Bin Huang ,  Ching-Nan Hsiao ,  Chung-Lin Huang

Inventor： Shin-Bin Huang ,  Ching-Nan Hsiao ,  Chung-Lin Huang

IPC: H01L23/58 ,  H01L21/31

CPC classification number: H01L27/11521 ,  H01L21/3185 ,  H01L29/42324 ,  H01L29/66825

Abstract: A nonvolatile memory cell is provided. A semiconductor substrate is provided. A conducting layer and a spacer layer are sequentially disposed above the semiconductor substrate. At least a trench having a bottom and plural side surfaces is defined in the conducting layer and the spacer layer. A first oxide layer is formed at the bottom of the trench. A dielectric layer is formed on the first oxide layer, the spacer layer and the plural side surfaces of the trench. A first polysilicon layer is formed in the trench. And a first portion of the dielectric layer on the spacer layer is removed, so that a basic structure for the nonvolatile memory cell is formed.

Abstract translation: 提供非易失性存储单元。 提供半导体衬底。 导电层和间隔层顺序地设置在半导体衬底之上。 在导电层和间隔层中限定具有底部和多个侧表面的至少一个沟槽。 第一氧化物层形成在沟槽的底部。 在第一氧化物层，间隔层和沟槽的多个侧表面上形成介电层。 在沟槽中形成第一多晶硅层。 并且去除间隔层上的电介质层的第一部分，从而形成用于非易失性存储单元的基本结构。

公开(公告)号：US07576381B2

公开(公告)日：2009-08-18

申请号：US11955397

申请日：2007-12-13

Applicant: Ching-Nan Hsiao ,  Ying-Cheng Chuang ,  Chung-Lin Huang ,  Shih-Yang Chiu

Inventor： Ching-Nan Hsiao ,  Ying-Cheng Chuang ,  Chung-Lin Huang ,  Shih-Yang Chiu

IPC: H01L27/108

CPC classification number: H01L27/115 ,  H01L27/11521 ,  H01L29/42336

Abstract: A memory structure including a substrate, a first dielectric layer, a first conducting layer, a second conducting layer, a second dielectric layer, a spacer and a doped region is provided. The substrate has a trench wherein. The first dielectric layer is disposed on the interior surface of the trench. The first conducting layer is disposed on the first dielectric layer of the lower portion of the trench. The second conducting layer is disposed above the first conducting layer and filling the trench. The second dielectric layer is disposed between the first conducting layer and the second conducting layer. The spacer is disposed between the first dielectric layer and the second conducting layer. The doped region is disposed in the substrate of a side of the trench.

Abstract translation: 提供了包括基板，第一介电层，第一导电层，第二导电层，第二介电层，间隔物和掺杂区域的存储器结构。 衬底具有沟槽，其中。 第一介电层设置在沟槽的内表面上。 第一导电层设置在沟槽下部的第一电介质层上。 第二导电层设置在第一导电层上方并填充沟槽。 第二电介质层设置在第一导电层和第二导电层之间。 间隔物设置在第一介电层和第二导电层之间。 掺杂区域设置在沟槽侧面的衬底中。

公开(公告)号：US20090061581A1

公开(公告)日：2009-03-05

申请号：US11945199

申请日：2007-11-26

Applicant: Hung-Mine Tsai ,  Ching-Nan Hsiao ,  Chung-Lin Huang

Inventor： Hung-Mine Tsai ,  Ching-Nan Hsiao ,  Chung-Lin Huang

IPC: H01L21/336

CPC classification number: H01L29/7887 ,  H01L27/115 ,  H01L27/11521 ,  H01L29/42324

Abstract: A method for manufacturing a non-volatile memory is provided. An isolation structure is formed in a trench formed in a substrate. A portion of the isolation structure is removed to form a recess. A first dielectric layer and a first conductive layer are formed sequentially on the substrate. Bar-shaped cap layers are formed on the substrate. The first conductive layer not covered by the bar-shaped cap layers is removed to form first gate structures. A second dielectric layer is formed on the sidewalls of the first gate structures. A third dielectric layer is formed on the substrate between the first gate structures. A second conductive layer is formed on the third dielectric layer. The bar-shaped cap layers and a portion of the first conductive layer are removed to form second gate structures. A doped region is formed in the substrate at two sides of each of the second gate structures.

Abstract translation: 提供一种用于制造非易失性存储器的方法。 在衬底中形成的沟槽中形成隔离结构。 去除隔离结构的一部分以形成凹部。 在基板上依次形成第一介电层和第一导电层。 在基板上形成棒状盖层。 未被棒状帽层覆盖的第一导电层被去除以形成第一栅极结构。 在第一栅极结构的侧壁上形成第二介电层。 在第一栅极结构之间的衬底上形成第三电介质层。 在第三电介质层上形成第二导电层。 条形盖层和第一导电层的一部分被去除以形成第二栅极结构。 在每个第二栅极结构的两侧在衬底中形成掺杂区域。

公开(公告)号：US20090014773A1

公开(公告)日：2009-01-15

申请号：US11946868

申请日：2007-11-29

Applicant: Ching-Nan Hsiao ,  Ying-Cheng Chuang ,  Chung-Lin Huang ,  Shih-Yang Chiu

Inventor： Ching-Nan Hsiao ,  Ying-Cheng Chuang ,  Chung-Lin Huang ,  Shih-Yang Chiu

IPC: H01L29/78 ,  H01L21/76

CPC classification number: H01L29/7881 ,  H01L29/66825

Abstract: A method for fabricating the memory structure includes: providing a substrate having a pad, forming an opening in the pad, forming a first spacer on a sidewall of the opening, filling the opening with a sacrificial layer, removing the first spacer and exposing a portion of the substrate, removing the exposed substrate to define a first trench and a second trench, removing the sacrificial layer to expose a surface of the substrate to function as a channel region, forming a first dielectric layer on a surface of the first trench, a surface of the second trench and a surface of the channel region, filling the first trench and the second trench with a first conductive layer, forming a second dielectric layer on a surface of the first conductive layer and the surface of the channel region, filling the opening with a second conductive layer, and removing the pad.

Abstract translation: 一种用于制造存储器结构的方法包括：提供具有焊盘的衬底，在焊盘中形成开口，在开口的侧壁上形成第一间隔物，用牺牲层填充开口，移除第一间隔物并露出一部分 去除所述暴露的衬底以限定第一沟槽和第二沟槽，去除所述牺牲层以暴露所述衬底的表面以用作沟道区域，在所述第一沟槽的表面上形成第一介电层， 第二沟槽的表面和沟道区的表面，用第一导电层填充第一沟槽和第二沟槽，在第一导电层的表面和沟道区的表面上形成第二介电层，填充第二沟槽 用第二导电层打开，并移除垫。

公开(公告)号：US20080305593A1

公开(公告)日：2008-12-11

申请号：US11949786

申请日：2007-12-04

Applicant: Ching-Nan Hsiao ,  Pei-Ing Lee ,  Ming-Cheng Chang ,  Chung-Lin Huang ,  Hsi-Hua Chang ,  Chih-Hsiang Wu

Inventor： Ching-Nan Hsiao ,  Pei-Ing Lee ,  Ming-Cheng Chang ,  Chung-Lin Huang ,  Hsi-Hua Chang ,  Chih-Hsiang Wu

IPC: H01L21/336

CPC classification number: H01L27/11534 ,  H01L21/84 ,  H01L27/11526 ,  H01L29/42336 ,  H01L29/66825 ,  H01L29/7887

Abstract: A memory structure disclosed in the present invention features a control gate and floating gates being positioned in recessed trenches. A method of fabricating the memory structure includes the steps of first providing a substrate having a first recessed trench. Then, a first gate dielectric layer is formed on the first recessed trench. A first conductive layer is formed on the first gate dielectric layer. After that, the first conductive layer is etched to form a spacer which functions as a floating gate on a sidewall of the first recessed trench. A second recessed trench is formed in a bottom of the first recessed trench. An inter-gate dielectric layer is formed on a surface of the spacer, a sidewall and a bottom of the second recessed trench. A second conductive layer formed to fill up the first and the second recessed trench.

Abstract translation: 本发明公开的存储器结构的特征在于控制栅极和位于凹槽中的浮栅。 一种制造存储器结构的方法包括以下步骤：首先提供具有第一凹槽的衬底。 然后，在第一凹槽上形成第一栅极电介质层。 第一导电层形成在第一栅极介电层上。 之后，蚀刻第一导电层以形成用作第一凹槽的侧壁上的浮动栅极的间隔物。 在第一凹槽的底部形成第二凹槽。 在间隔物的表面，第二凹槽的侧壁和底部上形成栅极间电介质层。 形成为填充第一和第二凹槽的第二导电层。