公开(公告)号：US20190013201A1

公开(公告)日：2019-01-10

申请号：US15641235

申请日：2017-07-04

Applicant: UNITED MICROELECTRONICS CORP. ,  Fujian Jinhua Integrated Circuit Co., Ltd.

Inventor： Feng-Yi Chang ,  Fu-Che Lee ,  Chieh-Te Chen

IPC: H01L21/033 ,  H01L27/108

CPC classification number: H01L21/0338 ,  H01L21/0332 ,  H01L21/0335 ,  H01L21/0337 ,  H01L21/32139 ,  H01L27/10855 ,  H01L27/10894

Abstract: A patterning method is disclosed. A hard mask layer, a lower pattern transfer layer, an upper pattern transfer layer are formed on a target layer. A first SARP process is performed to pattern the upper pattern transfer layer into an upper pattern mask. A second SARP process is performed to pattern the lower pattern transfer layer into a lower pattern mask. The upper pattern mask and the lower pattern mask define hole patterns. The hole patterns is filled with a dielectric layer. The dielectric layer and the upper pattern mask are etched back until the lower pattern mask is exposed. The lower pattern mask is removed, thereby forming island patterns. Using the island patterns as an etching hard mask, the hard mask layer is patterned into hard mask patterns. Using the hard mask patterns as an etching hard mask, the target layer is patterned into target patterns.

公开(公告)号：US10170310B1

公开(公告)日：2019-01-01

申请号：US15900772

申请日：2018-02-20

Applicant: UNITED MICROELECTRONICS CORP. ,  Fujian Jinhua Integrated Circuit Co., Ltd.

Inventor： Chieh-Te Chen ,  Feng-Yi Chang ,  Fu-Che Lee ,  Yi-Wang Zhan

IPC: H01L21/033 ,  H01L27/108 ,  H01L21/768

Abstract: A method of forming a patterned structure is provided in the present invention. A hard mask layer is formed on a material layer before a first etching process and a second etching process for forming a first opening and a second opening partially overlapping with each other in the hard mask layer. The hard mask layer having the first opening and the second opening is then used in a third etching process performed to the material layer. A fourth etching process is performed to the hard mask layer and a dielectric layer disposed under the material layer after the third etching process. The material of the hard mask layer is identical to the material of the dielectric layer, and the fourth etching process may be used to remove the hard mask layer and form a trench in the dielectric layer accordingly.

公开(公告)号：US20180226410A1

公开(公告)日：2018-08-09

申请号：US15884415

申请日：2018-01-31

Applicant: UNITED MICROELECTRONICS CORP. ,  Fujian Jinhua Integrated Circuit Co., Ltd.

Inventor： Feng-Yi Chang ,  Fu-Che Lee ,  Chieh-Te Chen

IPC: H01L27/108 ,  H01L21/768

CPC classification number: H01L27/10885 ,  H01L21/76802 ,  H01L21/7682 ,  H01L21/76877 ,  H01L27/10814 ,  H01L27/10823 ,  H01L27/10888 ,  H01L27/10894 ,  H01L27/10897

Abstract: A semiconductor device and method of forming the same, the semiconductor device includes bit lines, a transistor, a dielectric layer, plugs and a capping layer. The bit lines are disposed on a substrate within a cell region thereof, and the transistor is disposed on the substrate within a periphery region. The plugs are disposed in the dielectric layer, within the cell region and the periphery region respectively. The capping layer is disposed on the dielectric layer, and the capping layer disposed within the periphery region is between those plugs. That is, a portion of the dielectric layer is therefore between the capping layer and the transistor.

公开(公告)号：US09673100B2

公开(公告)日：2017-06-06

申请号：US14536696

申请日：2014-11-10

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Ching-Wen Hung ,  Chih-Sen Huang ,  Yi-Wei Chen ,  Chien-Ting Lin ,  Shih-Fang Tzou ,  Chia-Lin Lu ,  Chun-Lung Chen ,  Kun-Yuan Liao ,  Feng-Yi Chang ,  Chieh-Te Chen

IPC: H01L21/8234 ,  H01L21/311 ,  H01L29/06 ,  H01L27/088 ,  H01L29/49 ,  H01L21/768

CPC classification number: H01L21/823437 ,  H01L21/31144 ,  H01L21/76816 ,  H01L21/76895 ,  H01L21/76897 ,  H01L21/823431 ,  H01L21/823475 ,  H01L27/088 ,  H01L27/0886 ,  H01L29/0653 ,  H01L29/495 ,  H01L29/4966

Abstract: A method for fabricating semiconductor device is disclosed. The method includes the steps of: providing a substrate; forming a plurality of gate structures on the substrate; forming a first stop layer on the gate structures; forming a second stop layer on the first stop layer; forming a first dielectric layer on the second stop layer; forming a plurality of first openings in the first dielectric layer to expose the second stop layer; forming a plurality of second openings in the first dielectric layer and the second stop layer to expose the first stop layer; and removing part of the second stop layer and part of the first stop layer to expose the gate structures.

公开(公告)号：US09196352B2

公开(公告)日：2015-11-24

申请号：US13776589

申请日：2013-02-25

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Ching-Wen Hung ,  Po-Chao Tsao ,  Shu-Ru Wang ,  Chia-Wei Huang ,  Chieh-Te Chen ,  Feng-Yi Chang ,  Chih-Sen Huang

IPC: H01L21/70 ,  G11C11/00 ,  G11C11/412 ,  H01L27/02 ,  H01L27/11

CPC classification number: G11C11/412 ,  H01L27/0207 ,  H01L27/1104

Abstract: A static random access memory unit cell layout structure is disclosed, in which a slot contact is disposed on one active area and another one across from the one. A static random access memory unit cell structure and a method of fabricating the same are also disclosed, in which, a slot contact is disposed on drains of a pull-up transistor and a pull-down transistor, and a metal-zero interconnect is disposed on the slot contact and a gate line of another pull-up transistor. Accordingly, there is not an intersection of vertical and horizontal metal-zero interconnects, and there is no place suffering from twice etching. Leakage junction due to stitch recess can be avoided.

Abstract translation: 公开了一种静态随机存取存储器单元布局结构，其中，槽触点设置在一个有源区上，另一个位于一个有源区上。 还公开了一种静态随机存取存储单元单元结构及其制造方法，其中，在上拉晶体管和下拉晶体管的漏极上设置一个槽触点，并且设置金属零互连 在槽触点和另一个上拉晶体管的栅极线上。 因此，没有垂直和水平的金属零互连，没有两次蚀刻的地方。 可以避免缝合凹陷引起的泄漏接头。

公开(公告)号：US20150214068A1

公开(公告)日：2015-07-30

申请号：US14162755

申请日：2014-01-24

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chieh-Te Chen ,  Feng-Yi Chang ,  Hsuan-Hsu Chen

IPC: H01L21/311 ,  H01L21/027

CPC classification number: H01L21/31144 ,  H01L21/0276 ,  H01L21/31133 ,  H01L21/76816

Abstract: A method of performing an etching process is provided. A substrate is provided, wherein a first region and a second region are defined on the substrate, and an overlapping region of the first region and the second region is defined as a third region. A tri-layer structure comprising an organic layer, a bottom anti-reflection coating (BARC), and a photoresist layer is formed on the substrate. The photoresist layer and the BARC in the second region are removed. An etching process is performed to remove the organic layer in the second region by using the BARC and/or the photoresist layer as a mask, wherein the etching process uses an etchant comprises CO2.

Abstract translation: 提供了一种执行蚀刻工艺的方法。 提供了一种衬底，其中在衬底上限定第一区域和第二区域，并且将第一区域和第二区域的重叠区域定义为第三区域。 在基板上形成包括有机层，底部防反射涂层（BARC）和光致抗蚀剂层的三层结构。 去除第二区域中的光致抗蚀剂层和BARC。 通过使用BARC和/或光致抗蚀剂层作为掩模，进行蚀刻工艺以去除第二区域中的有机层，其中蚀刻工艺使用蚀刻剂包括CO 2。

公开(公告)号：US20140349236A1

公开(公告)日：2014-11-27

申请号：US13899577

申请日：2013-05-22

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chieh-Te Chen ,  Yu-Tsung Lai ,  Hsuan-Hsu Chen ,  Feng-Yi Chang

IPC: G03F7/22

CPC classification number: H01L21/28 ,  H01L21/0332 ,  H01L21/31144 ,  H01L21/76816

Abstract: A method for forming a semiconductor structure having an opening is provided. First, a substrate is provided, wherein a first region and a second region are defined on the substrate and an overlapping area of the first region and the second region is defined as a third region. A pattern density of the first region is substantially greater than that of the second region. Then, a material layer is formed on the substrate. A first hard mask and a second hard mask are formed on the material layer. The first hard mask in the first region is removed to form a patterned first hard mask. The second hard mask in the third region is removed to form a patterned second hard mask. Lastly, the material layer is patterned by using the patterned second hard mask layer as a mask to form at least an opening in the third region only.

Abstract translation: 提供一种形成具有开口的半导体结构的方法。 首先，提供衬底，其中在衬底上限定第一区域和第二区域，并且将第一区域和第二区域的重叠区域定义为第三区域。 第一区域的图案密度基本上大于第二区域的图案密度。 然后，在基板上形成材料层。 第一硬掩模和第二硬掩模形成在材料层上。 第一区域中的第一硬掩模被去除以形成图案化的第一硬掩模。 去除第三区域中的第二硬掩模以形成图案化的第二硬掩模。 最后，通过使用图案化的第二硬掩模层作为掩模来对材料层进行图案化，以仅在第三区域中形成至少一个开口。

公开(公告)号：US20140315365A1

公开(公告)日：2014-10-23

申请号：US13866456

申请日：2013-04-19

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Li-Chiang Chen ,  Jiunn-Hsiung Liao ,  Hsuan-Hsu Chen ,  Feng-Yi Chang ,  Chieh-Te Chen ,  Shang-Yuan Tsai ,  Ching-Pin Hsu

IPC: H01L29/423 ,  H01L29/66

CPC classification number: H01L29/42372 ,  H01L21/28088 ,  H01L21/32134 ,  H01L21/32135 ,  H01L21/823828 ,  H01L29/517 ,  H01L29/518 ,  H01L29/66545 ,  H01L29/66628 ,  H01L29/66636 ,  H01L29/7848

Abstract: A method of forming a semiconductor device is provided. At least one gate structure including a dummy gate is formed on a substrate. A contact etch stop layer and a dielectric layer are formed to cover the gate structure. A portion of the contact etch stop layer and a portion of the dielectric layer are removed to expose the top of the gate structure. A dry etching process is performed to remove a portion of the dummy gate of the gate structure. A hydrogenation treatment is performed to the surface of the remaining dummy gate. A wet etching process is performed to remove the remaining dummy gate and thereby form a gate trench.

Abstract translation: 提供一种形成半导体器件的方法。 在基板上形成包括虚拟栅极的至少一个栅极结构。 形成接触蚀刻停止层和电介质层以覆盖栅极结构。 接触蚀刻停止层的一部分和电介质层的一部分被去除以暴露栅极结构的顶部。 执行干蚀刻处理以去除栅极结构的虚拟栅极的一部分。 对剩余的虚拟栅极的表面进行氢化处理。 执行湿蚀刻处理以去除剩余的虚拟栅极，从而形成栅极沟槽。

公开(公告)号：US08785283B2

公开(公告)日：2014-07-22

申请号：US13705183

申请日：2012-12-05

Applicant: United Microelectronics Corp.

Inventor： Chieh-Te Chen ,  Feng-Yi Chang ,  Chih-Sen Huang ,  Ching-Wen Hung ,  Ching-Pin Hsu

IPC: H01L21/336 ,  H01L29/66

CPC classification number: H01L21/76816 ,  H01L23/485 ,  H01L23/53223 ,  H01L23/53238 ,  H01L23/53266 ,  H01L23/53295 ,  H01L29/66628 ,  H01L29/66636 ,  H01L29/7848 ,  H01L2924/0002 ,  H01L2924/00

Abstract: The present invention provides a method for forming a semiconductor structure having a metal connect. A substrate is provided, and a transistor and a first ILD layer are formed thereon. A first contact plug is formed in the first ILD layer to electrically connect the source/drain region. A second ILD layer and a third ILD layer are formed on the first ILD layer. A first opening above the gate and a second opening above the first contact plug are formed, wherein a depth of the first contact plug is deeper than that of the second opening. Next, the first opening and the second opening are deepened. Lastly, a metal layer is filled into the first opening and the second opening to respectively form a first metal connect and a second metal connect.

Abstract translation: 本发明提供一种形成具有金属连接的半导体结构的方法。 提供衬底，并在其上形成晶体管和第一ILD层。 第一接触插塞形成在第一ILD层中以电连接源极/漏极区域。 在第一ILD层上形成第二ILD层和第三ILD层。 形成在栅极上方的第一开口和在第一接触插塞上方的第二开口，其中第一接触插塞的深度比第二开口的深度深。 接下来，加深第一开口和第二开口。 最后，将金属层填充到第一开口和第二开口中，以分别形成第一金属连接和第二金属连接。

公开(公告)号：US20140151763A1

公开(公告)日：2014-06-05

申请号：US13705175

申请日：2012-12-05

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Ching-Wen Hung ,  Chih-Sen Huang ,  Po-Chao Tsao ,  Chieh-Te Chen

IPC: H01L23/532 ,  H01L29/78 ,  H01L21/768

CPC classification number: H01L21/76897 ,  H01L21/283 ,  H01L21/32115 ,  H01L21/76816 ,  H01L21/76877 ,  H01L23/485 ,  H01L23/528 ,  H01L23/53209 ,  H01L23/53223 ,  H01L23/53238 ,  H01L23/53266 ,  H01L23/53295 ,  H01L29/165 ,  H01L29/41725 ,  H01L29/41758 ,  H01L29/41783 ,  H01L29/45 ,  H01L29/665 ,  H01L29/66545 ,  H01L29/66575 ,  H01L29/78 ,  H01L29/7843 ,  H01L29/7845 ,  H01L29/7848 ,  H01L2924/0002 ,  H01L2924/00

Abstract: The present invention provides a semiconductor structure including a substrate, a transistor, a first ILD layer, a second ILD layer, a first contact plug, second contact plug and a third contact plug. The transistor is disposed on the substrate and includes a gate and a source/drain region. The first ILD layer is disposed on the transistor. The first contact plug is disposed in the first ILD layer and a top surface of the first contact plug is higher than a top surface of the gate. The second ILD layer is disposed on the first ILD layer. The second contact plug is disposed in the second ILD layer and electrically connected to the first contact plug. The third contact plug is disposed in the first ILD layer and the second ILD layer and electrically connected to the gate. The present invention further provides a method of making the same.

Abstract translation: 本发明提供了一种半导体结构，其包括衬底，晶体管，第一ILD层，第二ILD层，第一接触插塞，第二接触插塞和第三接触插塞。 晶体管设置在衬底上并且包括栅极和源极/漏极区域。 第一ILD层设置在晶体管上。 第一接触插塞设置在第一ILD层中，并且第一接触插塞的顶表面高于栅极的顶表面。 第二ILD层设置在第一ILD层上。 第二接触插塞设置在第二ILD层中并电连接到第一接触插塞。 第三接触插塞设置在第一ILD层和第二ILD层中并且电连接到栅极。 本发明还提供了制备该方法的方法。