公开(公告)号：US20210335790A1

公开(公告)日：2021-10-28

申请号：US17371452

申请日：2021-07-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jungwoo SONG ,  Kwangmin KIM ,  Jun Ho LEE ,  Hyuckjin KANG ,  Yong Kwan KIM ,  Sangyeon HAN ,  Seguen PARK

IPC: H01L27/108 ,  H01L29/06 ,  H01L23/532 ,  H01L27/24 ,  H01L27/22

Abstract: Provided are a semiconductor memory device and a method of fabricating the same. The semiconductor memory device may include: a first impurity doped region and a second impurity doped region spaced apart from each other in a semiconductor substrate, a bit line electrically connected to the first impurity doped region and crossing over the semiconductor substrate, a storage node contact electrically connected to the second impurity doped region, a first spacer and a second spacer disposed between the bit line and the storage node contact, and an air gap region disposed between the first spacer and the second spacer. The first spacer may cover a sidewall of the bit line, and the second spacer may be adjacent to the storage node contact. A top end of the first spacer may have a height higher than a height of a top end of the second spacer.

公开(公告)号：US20150340284A1

公开(公告)日：2015-11-26

申请号：US14569980

申请日：2014-12-15

Applicant: Samsung Electronics Co., Ltd.

Inventor： Eunjung KIM ,  Yong Kwan KIM ,  Jemin PARK ,  Semyeong JANG ,  Sangyeon HAN ,  Yoosang HWANG

IPC: H01L21/768 ,  H01L29/66

CPC classification number: H01L27/1288 ,  H01L21/7688 ,  H01L27/10814 ,  H01L27/10891

Abstract: The present inventive concepts provide methods for fabricating semiconductor devices. The method may comprise providing a substrate, stacking a conductive layer and a lower mask layer on the substrate, forming a plurality of hardmask layers each having an island shape on the lower mask layer, forming a plurality of upper mask patterns having island shapes arranged to expose portions of the lower mask layer, etching the exposed portions of the lower mask layer to expose portions of the conductive layer, and etching the exposed portions of the conductive layer to form a plurality of contact holes each exposing a portion of the substrate.

Abstract translation: 本发明构思提供了制造半导体器件的方法。 该方法可以包括提供衬底，在衬底上堆叠导电层和下掩模层，在下掩模层上形成各自具有岛状的多个硬掩模层，形成具有岛形的多个上掩模图案，其布置成 暴露下掩模层的部分，蚀刻下掩模层的暴露部分以暴露导电层的部分，并且蚀刻导电层的暴露部分以形成多个接触孔，每个接触孔暴露衬底的一部分。

公开(公告)号：US20220406713A1

公开(公告)日：2022-12-22

申请号：US17713705

申请日：2022-04-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Junyoung CHOI ,  Youngwoo KIM ,  Taehoon KIM ,  Sangyeon HAN

IPC: H01L23/528 ,  H01L27/108 ,  H01L23/532

Abstract: A semiconductor device includes a substrate including a cell region and a peripheral circuit region; a conductive structure on the cell region and the peripheral circuit region, the conductive structure extending in a first direction parallel to an upper surface of the substrate; a gate structure on the peripheral circuit region, the gate structure spaced apart from the conductive structure in the first direction; a spacer contacting a sidewall of the gate structure; and a first capping pattern contacting a sidewall of an end portion in the first direction of the conductive structure and a sidewall of the spacer, wherein the spacer and the first capping pattern include different insulating materials.

公开(公告)号：US20220173106A1

公开(公告)日：2022-06-02

申请号：US17369320

申请日：2021-07-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyungeun CHOI ,  Kiseok LEE ,  Seungjae JUNG ,  Joongchan SHIN ,  Taehyun AN ,  Moonyoung JEONG ,  Sangyeon HAN

IPC: H01L27/108 ,  H01L29/08

Abstract: A semiconductor memory device includes: a bit line extending on a substrate in a vertical direction; a transistor body part including a first source-drain region, a monocrystalline channel layer, and a second source-drain region that are sequentially arranged in a first horizontal direction and connected to the bit line; gate electrode layers extending in a second horizontal direction that is orthogonal to the first horizontal direction, with a gate dielectric layer between the gate electrode layers and the monocrystalline channel layer, and covering upper and lower surfaces of the monocrystalline channel layer; and a cell capacitor including a lower electrode layer, a capacitor dielectric layer, and an upper electrode layer at a side of the transistor body that is opposite to the bit line in the first horizontal direction and is connected to the second source-drain region.

公开(公告)号：US20210159113A1

公开(公告)日：2021-05-27

申请号：US17144226

申请日：2021-01-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byoungdeog CHOI ,  JungWoo SEO ,  Sangyeon HAN ,  Hyun-Woo CHUNG ,  Hongrae KIM ,  Yoosang HWANG

IPC: H01L21/768 ,  H01L23/498 ,  H01L27/22 ,  H01L27/24 ,  H01L45/00 ,  H01L23/522 ,  H01L23/528 ,  H01L23/532 ,  H01L27/108

Abstract: A semiconductor device includes a pair of line patterns disposed on a substrate. A contact plug is disposed between the pair of line patterns and an air gap is disposed between the contact plug and the line patterns. A landing pad extends from a top end of the contact plug to cover a first part of the air gap and an insulating layer is disposed on a second part of the air gap, which is not covered by the landing pad.

公开(公告)号：US20210125989A1

公开(公告)日：2021-04-29

申请号：US16986367

申请日：2020-08-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Joongchan SHIN ,  Changkyu KIM ,  Hui-Jung KIM ,  Iljae SHIN ,  Taehyun AN ,  Kiseok LEE ,  Eunju CHO ,  Hyungeun CHOI ,  Sung-Min PARK ,  Ahram LEE ,  Sangyeon HAN ,  Yoosang HWANG

IPC: H01L27/108 ,  H01L23/528

Abstract: A three-dimensional semiconductor memory device includes first semiconductor patterns, which are vertically spaced apart from each other on a substrate, each of which includes first and second end portions spaced apart from each other, and first and second side surfaces spaced apart from each other to connect the first and second end portions, first and second source/drain regions disposed in each of the first semiconductor patterns and adjacent to the first and second end portions, respectively, a channel region in each of the first semiconductor patterns and between the first and second source/drain regions, a first word line adjacent to the first side surfaces and the channel regions and vertically extended, and a gate insulating layer interposed between the first word line and the first side surfaces. The gate insulating layer may be extended to be interposed between the first source/drain regions.

公开(公告)号：US20200013668A1

公开(公告)日：2020-01-09

申请号：US16577429

申请日：2019-09-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byoungdeog CHOI ,  JungWoo SEO ,  Sangyeon HAN ,  Hyun-Woo CHUNG ,  Hongrae KIM ,  Yoosang HWANG

IPC: H01L21/768 ,  H01L23/498 ,  H01L27/22 ,  H01L27/24 ,  H01L45/00 ,  H01L23/522 ,  H01L23/528 ,  H01L23/532 ,  H01L27/108

Abstract: A semiconductor device includes bit line structures on a substrate, the bit line structures extending along a first direction and being spaced apart from each other along a second direction perpendicular to the first direction, contact plugs spaced apart from each other along the first direction and being on active regions of the substrate between adjacent bit line structures, a linear spacer on each longitudinal sidewall of a bit line structure, landing pads on the contact plugs, respectively, the landing pads being electrically connected to the contact plugs, respectively, and landing pads that are adjacent to each other along the first direction being offset with respect to each other along the second direction, as viewed in a top view, a conductive pad between each of the contact plugs and a corresponding active region, a vertical axes of the conductive pad and corresponding active region being horizontally offset.