公开(公告)号：US09419089B1

公开(公告)日：2016-08-16

申请号：US14714361

申请日：2015-05-18

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Yu-Ying Lin ,  Kuang-Hsiu Chen ,  Ted Ming-Lang Guo ,  Yu-Ren Wang

IPC: H01L29/06 ,  H01L29/423 ,  H01L21/3065 ,  H01L21/225 ,  H01L21/283

CPC classification number: H01L21/02636 ,  H01L21/02529 ,  H01L21/02532 ,  H01L21/26506 ,  H01L21/26513 ,  H01L21/283 ,  H01L21/30604 ,  H01L21/30608 ,  H01L21/3065 ,  H01L21/76 ,  H01L29/0692 ,  H01L29/0847 ,  H01L29/165 ,  H01L29/42356 ,  H01L29/66636 ,  H01L29/7834 ,  H01L29/7848

Abstract: The present invention provides a semiconductor structure, which includes a substrate, at least two gate structures disposed on the substrate, a first recess, disposed in the substrate between two gate structures, the first recess having a U-shaped cross section profile, and a second recess, disposed on the first recess, the second recess having a polygonal shaped cross section profile, and has at least two tips on two sides of the second recess, the first recess and the second recess forming an epitaxial recess.

Abstract translation: 本发明提供了一种半导体结构，其包括基板，设置在基板上的至少两个栅极结构，设置在两个栅极结构之间的基板中的第一凹部，第一凹部具有U形横截面轮廓，以及 第二凹部，设置在第一凹部上，第二凹部具有多边形截面轮廓，并且在第二凹部的两侧具有至少两个尖端，第一凹部和第二凹部形成外延凹部。

公开(公告)号：US20160211144A1

公开(公告)日：2016-07-21

申请号：US14631807

申请日：2015-02-25

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Yu-Ying Lin ,  Ted Ming-Lang Guo ,  Chin-Cheng Chien ,  Chih-Chien Liu ,  Hsin-Kuo Hsu ,  Chin-Fu Lin ,  Chun-Yuan Wu

IPC: H01L21/306 ,  H01L29/66 ,  H01L29/08 ,  H01L21/3065

CPC classification number: H01L21/30608 ,  H01L21/3065 ,  H01L29/0847 ,  H01L29/66795 ,  H01L29/785

Abstract: An epitaxial process applying light illumination includes the following steps. A substrate is provided. A dry etching process and a wet etching process are performed to form a recess in the substrate, wherein an infrared light illuminates while the wet etching process is performed. An epitaxial structure is formed in the recess.

Abstract translation: 施加光照射的外延工艺包括以下步骤。 提供基板。 执行干蚀刻工艺和湿蚀刻工艺以在衬底中形成凹部，其中在执行湿蚀刻工艺时红外光照亮。 在凹部中形成外延结构。