公开(公告)号：US10529858B2

公开(公告)日：2020-01-07

申请号：US15913194

申请日：2018-03-06

Applicant: GLOBALFOUNDRIES INC.

Inventor： Hong He ,  Chiahsun Tseng ,  Junli Wang ,  Chun-chen Yeh ,  Yunpeng Yin

IPC: H01L29/66 ,  H01L29/78 ,  H01L29/423 ,  H01L29/786 ,  H01L29/06

Abstract: A semiconductor device comprises an insulation layer, an active semiconductor layer formed on an upper surface of the insulation layer, and a plurality of fins formed on the insulation layer. The fins are formed in the gate and spacer regions between a first source/drain region and second source/drain region, without extending into the first and second source/drain regions.

公开(公告)号：US10236212B2

公开(公告)日：2019-03-19

申请号：US15200716

申请日：2016-07-01

Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION ,  GLOBALFOUNDRIES INC.

Inventor： Balasubramanian Pranatharthiharan ,  Junli Wang ,  Ruilong Xie

IPC: H01L21/8234 ,  H01L29/08 ,  H01L27/088 ,  H01L29/06 ,  H01L29/51 ,  H01L29/66 ,  H01L29/417 ,  H01L29/78 ,  H01L29/10 ,  H01L21/84 ,  H01L27/12

Abstract: A method of forming a semiconductor device that includes providing a first set of fin structures having a first pitch, and a second set of fin structure having a second pitch, wherein the second pitch is greater than the first pitch. An epitaxial semiconductor material on the first and second set of fin structures. The epitaxial semiconductor material on the first fin structures is merging epitaxial material and the epitaxial material on the second fin structures is non-merging epitaxial material. A dielectric liner is formed atop the epitaxial semiconductor material that is present on the first and second sets of fin structures. The dielectric liner is removed from a portion of the non-merging epitaxial material that is present on the second set of fin structures. A bridging epitaxial semiconductor material is formed on exposed surfaces of the non-merging epitaxial material.

公开(公告)号：US09911738B1

公开(公告)日：2018-03-06

申请号：US15586621

申请日：2017-05-04

Applicant: GLOBALFOUNDRIES Inc.

Inventor： Hiroaki Niimi ,  Kwan-Yong Lim ,  Brent A. Anderson ,  Junli Wang

IPC: H01L27/088 ,  H01L27/092 ,  H01L29/78 ,  H01L29/423 ,  H01L21/8238

CPC classification number: H01L27/092 ,  H01L21/823814 ,  H01L21/823828 ,  H01L21/823885 ,  H01L29/42376 ,  H01L29/7827

Abstract: Methods for forming a structure that includes vertical-transport field-effect transistors and structures that include vertical-transport field-effect transistors. A first semiconductor fin is separated from a second semiconductor fin by a gap. A gate stack is conformally deposited that extends across the first semiconductor fin, the second semiconductor fin, and the gap. A section of the gate stack is located in the gap. A gate strap layer is formed in the gap on the section of the gate stack. The gate stack is patterned to form a first gate electrode associated with the first semiconductor fin and a second gate electrode associated with the second semiconductor fin. The gate strap layer masks the section of the gate stack when the gate stack is patterned. The first gate electrode is connected with the second gate electrode by the gate strap layer and the section of the gate stack.

公开(公告)号：US20170365521A1

公开(公告)日：2017-12-21

申请号：US15689645

申请日：2017-08-29

Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION ,  GLOBALFOUNDRIES INC.

Inventor： Balasubramanian Pranatharthiharan ,  Junli Wang ,  Ruilong Xie

IPC: H01L21/8234 ,  H01L29/06 ,  H01L29/08 ,  H01L27/088 ,  H01L29/66 ,  H01L29/10

CPC classification number: H01L21/823418 ,  H01L21/823412 ,  H01L21/823425 ,  H01L21/823431 ,  H01L21/823481 ,  H01L21/845 ,  H01L27/0886 ,  H01L27/1211 ,  H01L29/0653 ,  H01L29/0847 ,  H01L29/1037 ,  H01L29/41791 ,  H01L29/511 ,  H01L29/513 ,  H01L29/517 ,  H01L29/66545 ,  H01L29/785

Abstract: A method of forming a semiconductor device that includes providing a first set of fin structures having a first pitch, and a second set of fin structure having a second pitch, wherein the second pitch is greater than the first pitch. An epitaxial semiconductor material on the first and second set of fin structures. The epitaxial semiconductor material on the first fin structures is merging epitaxial material and the epitaxial material on the second fin structures is non-merging epitaxial material. A dielectric liner is formed atop the epitaxial semiconductor material that is present on the first and second sets of fin structures. The dielectric liner is removed from a portion of the non-merging epitaxial material that is present on the second set of fin structures. A bridging epitaxial semiconductor material is formed on exposed surfaces of the non-merging epitaxial material.

公开(公告)号：US09698226B1

公开(公告)日：2017-07-04

申请号：US15095376

申请日：2016-04-11

Applicant: GLOBALFOUNDRIES INC.

Inventor： Timothy J. McArdle ,  Judson R. Holt ,  Junli Wang

IPC: H01L29/04 ,  H01L29/161 ,  H01L27/092 ,  H01L21/8238 ,  H01L29/66 ,  H01L29/78 ,  H01L29/10

CPC classification number: H01L29/161 ,  H01L21/02381 ,  H01L21/0243 ,  H01L21/0245 ,  H01L21/02494 ,  H01L21/02532 ,  H01L21/02576 ,  H01L21/02579 ,  H01L21/0262 ,  H01L21/02639 ,  H01L21/823807 ,  H01L21/823821 ,  H01L27/092 ,  H01L27/0924 ,  H01L29/04 ,  H01L29/045 ,  H01L29/10 ,  H01L29/1054 ,  H01L29/66 ,  H01L29/66795 ,  H01L29/78 ,  H01L29/785

Abstract: Semiconductor device fabrication method and structures are provided having a substrate structure which includes a silicon layer at an upper portion. The silicon layer is recessed in a first region of the substrate structure and remains unrecessed in a second region of the substrate structure. A protective layer having a first germanium concentration is formed above the recessed silicon layer in the first region, which extends along a sidewall of the unrecessed silicon layer of the second region. A semiconductor layer having a second germanium concentration is disposed above the protective layer in the first region of the substrate structure, where the first germanium concentration of the protective layer inhibits lateral diffusion of the second germanium concentration from the semiconductor layer in the first region into the unrecessed silicon layer in the second region of the substrate structure.

公开(公告)号：US20170154883A1

公开(公告)日：2017-06-01

申请号：US15181676

申请日：2016-06-14

Applicant: International Business Machines Corporation ,  GlobalFoundries, Inc.

Inventor： Kangguo Cheng ,  Junli Wang ,  Ruilong Xie ,  Tenko Yamashita

IPC: H01L27/06 ,  H01L29/93 ,  H01L29/10 ,  H01L29/78

CPC classification number: H01L27/0629 ,  H01L21/3083 ,  H01L21/3086 ,  H01L21/823431 ,  H01L27/0733 ,  H01L29/1083 ,  H01L29/66174 ,  H01L29/66537 ,  H01L29/6656 ,  H01L29/785 ,  H01L29/93

Abstract: A semiconductor device includes a semiconductor substrate having a fin-type field effect transistor (finFET) on a first region and a fin varactor on a second region. The finFET includes a first semiconductor fin that extends from an upper finFET surface thereof to the upper surface of the first region to define a first total fin height. The fin varactor includes a second semiconductor fin that extends from an upper varactor surface thereof to the upper surface of the second region to define a second total fin height that is different from the first total fin height of the finFET.

公开(公告)号：US20170154821A1

公开(公告)日：2017-06-01

申请号：US15291750

申请日：2016-10-12

Applicant: International Business Machines Corporation ,  GlobalFoundries, Inc.

Inventor： Kangguo Cheng ,  Junli Wang ,  Ruilong Xie ,  Tenko Yamashita

IPC: H01L21/8234 ,  H01L29/66 ,  H01L29/78 ,  H01L27/06 ,  H01L29/93

CPC classification number: H01L27/0629 ,  H01L21/3083 ,  H01L21/3086 ,  H01L21/823431 ,  H01L27/0733 ,  H01L29/1083 ,  H01L29/66174 ,  H01L29/66537 ,  H01L29/6656 ,  H01L29/785 ,  H01L29/93

Abstract: A semiconductor device includes a semiconductor substrate having a fin-type field effect transistor (finFET) on a first region and a fin varactor on a second region. The finFET includes a first semiconductor fin that extends from an upper finFET surface thereof to the upper surface of the first region to define a first total fin height. The fin varactor includes a second semiconductor fin that extends from an upper varactor surface thereof to the upper surface of the second region to define a second total fin height that is different from the first total fin height of the finFET.

公开(公告)号：US20170125541A1

公开(公告)日：2017-05-04

申请号：US15200716

申请日：2016-07-01

Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION ,  GLOBALFOUNDRIES INC.

Inventor： Balasubramanian Pranatharthiharan ,  Junli Wang ,  Ruilong Xie

IPC: H01L29/51 ,  H01L29/78 ,  H01L29/417 ,  H01L27/088

CPC classification number: H01L21/823418 ,  H01L21/823412 ,  H01L21/823425 ,  H01L21/823431 ,  H01L21/823481 ,  H01L21/845 ,  H01L27/0886 ,  H01L27/1211 ,  H01L29/0653 ,  H01L29/0847 ,  H01L29/1037 ,  H01L29/41791 ,  H01L29/511 ,  H01L29/513 ,  H01L29/517 ,  H01L29/66545 ,  H01L29/785

Abstract: A method of forming a semiconductor device that includes providing a first set of fin structures having a first pitch, and a second set of fin structure having a second pitch, wherein the second pitch is greater than the first pitch. An epitaxial semiconductor material on the first and second set of fin structures. The epitaxial semiconductor material on the first fin structures is merging epitaxial material and the epitaxial material on the second fin structures is non-merging epitaxial material. A dielectric liner is formed atop the epitaxial semiconductor material that is present on the first and second sets of fin structures. The dielectric liner is removed from a portion of the non-merging epitaxial material that is present on the second set of fin structures. A bridging epitaxial semiconductor material is formed on exposed surfaces of the non-merging epitaxial material.

公开(公告)号：US20170040325A1

公开(公告)日：2017-02-09

申请号：US15168725

申请日：2016-05-31

Applicant: International Business Machines Corporation ,  GlobalFoundries, Inc.

Inventor： Rama Kambhampati ,  Junli Wang ,  Ruilong Xie ,  Tenko Yamashita

IPC: H01L27/092 ,  H01L29/66 ,  H01L29/161 ,  H01L21/8238 ,  H01L29/10 ,  H01L29/16

CPC classification number: H01L27/0924 ,  H01L21/823807 ,  H01L21/823814 ,  H01L21/823821 ,  H01L21/823864 ,  H01L29/1054 ,  H01L29/16 ,  H01L29/161 ,  H01L29/66545 ,  H01L29/7848

Abstract: A method for forming field effect transistors comprises forming a first dummy gate stack over a first fin, forming a second dummy gate stack over a second fin, depositing a first layer of spacer material on the first dummy gate stack, the first fin, the second dummy gate stack, and the second fin, patterning a first masking layer on the first dummy gate stack and the first fin, etching to remove portions of the first layer of spacer material and form a spacer adjacent to the second dummy gate stack, removing the first masking layer, epitaxially growing a silicon material on the second fin, depositing a layer of oxide material on the first layer of spacer material, the first epitaxial material and the second dummy gate stack, and depositing a second layer of spacer material on the layer of oxide material.

Abstract translation: 一种用于形成场效应晶体管的方法包括在第一鳍上形成第一虚拟栅极堆叠，在第二鳍片上形成第二虚拟栅极叠层，在第一伪栅极叠层上沉积第一层间隔物材料， 虚拟栅极堆叠和第二鳍片，在第一伪栅极堆叠和第一鳍片上构图第一掩模层，蚀刻以去除第一层间隔物材料的部分并形成邻近第二伪栅极叠层的间隔区， 第一掩模层，在所述第二鳍上外延生长硅材料，在所述第一隔离层材料层上沉积氧化物层，所述第一外延材料和所述第二伪栅极堆叠，以及在所述层上沉积第二隔离层材料层 的氧化物质。