公开(公告)号：US20180096947A1

公开(公告)日：2018-04-05

申请号：US15608747

申请日：2017-05-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： KISEOK LEE ,  Sooho Shin ,  Juik Lee ,  Jun Ho Lee ,  Kwangmin Kim ,  Ilyoung Moon ,  Jemin Park ,  Bumseok Seo ,  Chan-Sic Yoon ,  Hoin Lee

IPC: H01L23/544 ,  H01L27/108

CPC classification number: H01L23/544 ,  H01L27/10814 ,  H01L27/10823 ,  H01L27/10876 ,  H01L27/10885 ,  H01L27/10894 ,  H01L27/10897 ,  H01L2223/5442 ,  H01L2223/54426 ,  H01L2223/5446

Abstract: A semiconductor device includes an alignment key on a substrate. The alignment key includes a first sub-alignment key pattern with a first conductive pattern, a second conductive pattern, and a capping dielectric pattern that are sequentially stacked on the substrate, an alignment key trench that penetrates at least a portion of the first sub-alignment key pattern, and a lower conductive pattern in the alignment key trench. The alignment key trench includes an upper trench that is provided in the capping dielectric pattern that has a first width, and a lower trench that extends downward from the upper trench and that has a second width less than the first width. The lower conductive pattern includes sidewall conductive patterns that are separately disposed on opposite sidewalls of the lower trench.

公开(公告)号：US10026694B2

公开(公告)日：2018-07-17

申请号：US15608747

申请日：2017-05-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kiseok Lee ,  Sooho Shin ,  Juik Lee ,  Jun Ho Lee ,  Kwangmin Kim ,  Ilyoung Moon ,  Jemin Park ,  Bumseok Seo ,  Chan-Sic Yoon ,  Hoin Lee

IPC: H01L23/544 ,  H01L27/108

Abstract: A semiconductor device includes an alignment key on a substrate. The alignment key includes a first sub-alignment key pattern with a first conductive pattern, a second conductive pattern, and a capping dielectric pattern that are sequentially stacked on the substrate, an alignment key trench that penetrates at least a portion of the first sub-alignment key pattern, and a lower conductive pattern in the alignment key trench. The alignment key trench includes an upper trench that is provided in the capping dielectric pattern that has a first width, and a lower trench that extends downward from the upper trench and that has a second width less than the first width. The lower conductive pattern includes sidewall conductive patterns that are separately disposed on opposite sidewalls of the lower trench.

公开(公告)号：US10790186B2

公开(公告)日：2020-09-29

申请号：US15984524

申请日：2018-05-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jiseok Hong ,  Chan-Sic Yoon ,  Ilyoung Moon ,  Jemin Park ,  Kiseok Lee ,  Jung-Hoon Han

IPC: H01L21/768 ,  H01L23/532 ,  H01L23/522

Abstract: A method of fabricating a semiconductor device includes providing a substrate, and forming an interlayered insulating layer on the substrate. The method includes forming a preliminary via hole in the interlayered insulating layer. The method includes forming a passivation spacer on an inner side surface of the preliminary via hole. The method includes forming a via hole using the passivation spacer as an etch mask. The method includes forming a conductive via in the via hole. The passivation spacer includes an insulating material different from an insulating material included in the interlayered insulating layer.

公开(公告)号：US11251070B2

公开(公告)日：2022-02-15

申请号：US17016537

申请日：2020-09-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jiseok Hong ,  Chan-Sic Yoon ,  Ilyoung Moon ,  Jemin Park ,  Kiseok Lee ,  Jung-Hoon Han

IPC: H01L21/768 ,  H01L23/532 ,  H01L23/522

Abstract: A method of fabricating a semiconductor device includes providing a substrate, and forming an interlayered insulating layer on the substrate. The method includes forming a preliminary via hole in the interlayered insulating layer. The method includes forming a passivation spacer on an inner side surface of the preliminary via hole. The method includes forming a via hole using the passivation spacer as an etch mask. The method includes forming a conductive via in the via hole. The passivation spacer includes an insulating material different from an insulating material included in the interlayered insulating layer.

公开(公告)号：US10332842B2

公开(公告)日：2019-06-25

申请号：US16026937

申请日：2018-07-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kiseok Lee ,  Sooho Shin ,  Juik Lee ,  Jun Ho Lee ,  Kwangmin Kim ,  Ilyoung Moon ,  Jemin Park ,  Bumseok Seo ,  Chan-Sic Yoon ,  Hoin Lee

IPC: H01L23/544 ,  H01L27/108

Abstract: A semiconductor device includes an alignment key on a substrate. The alignment key includes a first sub-alignment key pattern with a first conductive pattern, a second conductive pattern, and a capping dielectric pattern that are sequentially stacked on the substrate, an alignment key trench that penetrates at least a portion of the first sub-alignment key pattern, and a lower conductive pattern in the alignment key trench. The alignment key trench includes an upper trench that is provided in the capping dielectric pattern that has a first width, and a lower trench that extends downward from the upper trench and that has a second width less than the first width. The lower conductive pattern includes sidewall conductive patterns that are separately disposed on opposite sidewalls of the lower trench.