JP7317989B2 - 3次元メモリデバイス内の階段構造およびそれを形成するための方法 - Google Patents
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Description
101 基板
102 階段構造
104-1 第1のメモリアレイ構造
104-2 第2のメモリアレイ構造
106 階段
108 ブリッジ構造
110 ゲート線スリット(GLS)
112 メモリストリング
114 段
116 ワード線垂直相互接続アクセス(VIA)コンタクト
120 メモリフィンガー
200 3Dメモリデバイス
202-1 階段構造
202-2 階段構造
204 メモリアレイ構造
206 階段
208 ブリッジ構造
210 GLS
212 メモリストリング
214 段
216 ワード線VIAコンタクト
220 メモリフィンガー
302 基板
306 階段
308 ブリッジ構造
310 GLS
314 段
316 ワード線VIAコンタクト
320 導体部
320-1 非重複部
320-2 重複部
320-3 重複部
321 接続構造
323 第2の誘電体部
324 誘電体部
326 誘電体層
330 導体層
336 誘電体層
340 誘電体構造
350 絶縁構造
402 基板
406 階段
408 ブリッジ構造
414 段
418 横リセス部
419 犠牲部
420 導体部
421 接続構造
423 第2の誘電体部
425 保護層
426 誘電体層
428 横リセス
429 犠牲層
430 導体層
436 誘電体層
439 犠牲層
450 絶縁構造
500 段414の拡大図
502 段414の拡大図
Claims (18)
- メモリアレイ構造と、
前記メモリアレイ構造の中間にありかつ前記メモリアレイ構造をx方向に沿って第1のメモリアレイ構造および第2のメモリアレイ構造に分割する階段構造とを含み、前記階段構造が、(i)前記x方向に沿って延びる複数の段と、(ii)前記第1のメモリアレイ構造および前記第2のメモリアレイ構造と接触しているブリッジ構造とを含み、
前記複数の段のうちの1つの段が、前記段の上面の上にありかつ前記ブリッジ構造と接触して電気的に接続される導体部と、同じレベルにあって前記導体部と接触している誘電体部とを含み、前記段が、前記ブリッジ構造を介して前記第1のメモリアレイ構造および前記第2のメモリアレイ構造のうちの少なくとも1つに電気的に接続され、
前記x方向に沿って、前記導体部が、前記ブリッジ構造に近い位置において前記段に直に隣接する上側の段の下部までさらに延び、かつ前記誘電体部と接触しており、
前記導体部が、z方向に沿って前記上側の段と重複する第1の導体部を含み、前記z方向が、前記x方向に直角である、3次元(3D)メモリデバイス。 - 前記導体部が、前記z方向に沿って前記段に直に隣接する下側の段と重複する第2の導体部と、前記段に直に隣接する段と重複しない第3の導体部とをさらに含む、請求項1に記載の3Dメモリデバイス。
- 前記第1の導体部および前記第2の導体部が、x-y平面において直角三角形の形状を有し、前記第3の導体部が、x-y平面において直角台形の形状を有し、y方向は前記x方向に直角である、請求項2に記載の3Dメモリデバイス。
- 前記x方向に沿って、前記第3の導体部の幅が前記段のx方向に沿った長さ以下である、請求項3に記載の3Dメモリデバイス。
- 前記x方向に直角のy方向に沿って、前記導体部の長さが前記段のy方向に沿った長さ以下である、請求項1に記載の3Dメモリデバイス。
- 前記導体部の厚さが、z方向に沿った前記誘電体部の厚さ以下であり、前記z方向が前記x方向に直角である、請求項1に記載の3Dメモリデバイス。
- メモリアレイ構造と、
x方向に沿って延びる複数の段を含む階段構造とを含み、前記複数の段が、前記段の上面の上の導体部と、同じレベルにあって前記導体部と接触している誘電体部とを含む1つの段を含み、前記導体部が、前記メモリアレイ構造に電気的に接続され、
前記x方向に直角のy方向に沿って、前記導体部の幅が減少し、
前記導体部が、z方向に沿って上側の段と重複する第1の導体部を含み、前記z方向が、前記x方向および前記y方向に直角である、3次元(3D)メモリデバイス。 - 前記導体部が、前記z方向に沿って前記段に直に隣接する下側の段と重複する第2の導体部と、前記段に直に隣接する段と重複しない第3の導体部とをさらに含む、請求項7に記載の3Dメモリデバイス。
- 前記第1の導体部および前記第2の導体部が、x-y平面において直角三角形の形状を有し、前記第3の導体部が、x-y平面において直角台形の形状を有する、請求項8に記載の3Dメモリデバイス。
- 前記x方向に沿って、前記第3の導体部の幅が前記段のx方向に沿った長さ以下である、請求項8に記載の3Dメモリデバイス。
- 前記y方向に沿って、前記導体部の長さが前記段のy方向に沿った長さ以下である、請求項7に記載の3Dメモリデバイス。
- 前記導体部の厚さが、z方向に沿った前記誘電体部の厚さ以下であり、前記z方向が、前記x方向および前記y方向に直角である、請求項7に記載の3Dメモリデバイス。
- 3次元(3D)メモリデバイスの階段構造を形成するための方法であって、
複数の段の中に、交互配置された複数の第1の犠牲層と複数の第1の誘電体層とを含む複数の段を形成するステップと、
前記複数の段のうちの少なくとも1つに対応する前記第1の犠牲層内に犠牲部を形成するステップであって、前記犠牲部が、前記それぞれの段の上面にある、ステップと、
複数の横リセスおよび横リセス部をそれぞれ形成するために第2の犠牲層および前記犠牲部を同じエッチングプロセスによって除去するステップと、
(i)それに応じて、前記複数の横リセス内に複数の導体層を形成するステップ、および(ii)前記横リセス部内にありかつ前記複数の導体層のうちのそれぞれの1つと接触している導体部を形成するステップとを含み、
前記導体部が、前記段に直に隣接する上側の段と重複する第1の導体部を含む、方法。 - 前記犠牲部を形成するステップが、
前記エッチングプロセスにおいて前記第1の犠牲層の露出された部分のエッチング速度を変えるために、前記段のうちの前記少なくとも1つの前記第1の犠牲層の前記露出された部分の上にイオン注入プロセスを実行するステップを含む、請求項13に記載の方法。 - 前記イオン注入プロセスが、ホウ素(B)を用いる傾斜イオン注入プロセスを含む、請求項14に記載の方法。
- 前記イオン注入プロセスの前に前記第1の犠牲層の上に保護層を形成するステップと、前記イオン注入プロセスの後に前記保護層を除去するステップとをさらに含む、請求項14に記載の方法。
- 前記導体部の上にコンタクトを形成するステップをさらに含む、請求項13に記載の方法。
- 前記複数の段と接触しているブリッジ構造を形成するステップをさらに含み、前記ブリッジ構造が、交互配置された複数の第2の犠牲層と複数の第2の誘電体層とを含み、各第1の犠牲層が、同じレベルにおいてそれぞれの第2の犠牲層と接触しており、各第1の誘電体層が、同じレベルにおいてそれぞれの第2の誘電体層と接触しており、前記段が、前記ブリッジ構造を介して前記3Dメモリデバイスのメモリアレイ構造に電気的に接続される、請求項13に記載の方法。
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20210152471A (ko) * | 2020-06-05 | 2021-12-15 | 양쯔 메모리 테크놀로지스 씨오., 엘티디. | 3차원 메모리 디바이스의 계단 구조와 그 형성 방법 |
CN112534576A (zh) * | 2020-11-04 | 2021-03-19 | 长江存储科技有限责任公司 | 用于三维存储设备中的中心阶梯结构的底部选择栅极触点 |
US11665894B2 (en) * | 2021-03-04 | 2023-05-30 | Micron Technology, Inc. | Microelectronic devices, memory devices, and electronic systems |
WO2023028921A1 (en) * | 2021-09-01 | 2023-03-09 | Yangtze Memory Technologies Co., Ltd. | Methods for forming dielectric layer in forming semiconductor device |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015056452A (ja) | 2013-09-10 | 2015-03-23 | 株式会社東芝 | 半導体記憶装置及びその製造方法 |
US20150255385A1 (en) | 2014-03-06 | 2015-09-10 | SK Hynix Inc. | Semiconductor device and method of fabricating the same |
JP5960369B1 (ja) | 2013-07-01 | 2016-08-02 | マイクロン テクノロジー, インク. | 階段構造を含む半導体デバイスおよびこれに関連する方法 |
US20170256551A1 (en) | 2016-03-02 | 2017-09-07 | Micron Technology, Inc. | Semiconductor device structures including staircase structures, and related methods and electronic systems |
JP2019057642A (ja) | 2017-09-21 | 2019-04-11 | 東芝メモリ株式会社 | 半導体記憶装置 |
JP2020027873A (ja) | 2018-08-10 | 2020-02-20 | キオクシア株式会社 | 半導体装置 |
CN111033729A (zh) | 2019-11-05 | 2020-04-17 | 长江存储科技有限责任公司 | 用于在三维存储器件中形成阶梯的方法和结构 |
Family Cites Families (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7446924B2 (en) * | 2003-10-02 | 2008-11-04 | Donnelly Corporation | Mirror reflective element assembly including electronic component |
US8530350B2 (en) | 2011-06-02 | 2013-09-10 | Micron Technology, Inc. | Apparatuses including stair-step structures and methods of forming the same |
KR20140089793A (ko) | 2013-01-07 | 2014-07-16 | 에스케이하이닉스 주식회사 | 반도체 장치 및 그 제조 방법 |
US9552991B2 (en) * | 2014-04-30 | 2017-01-24 | Sandisk Technologies Llc | Trench vertical NAND and method of making thereof |
KR20160013756A (ko) | 2014-07-28 | 2016-02-05 | 에스케이하이닉스 주식회사 | 연결구조물, 반도체 장치 및 그 제조 방법 |
KR20160024592A (ko) * | 2014-08-26 | 2016-03-07 | 에스케이하이닉스 주식회사 | 비휘발성 메모리 소자 및 그의 제조 방법 |
US10074661B2 (en) * | 2015-05-08 | 2018-09-11 | Sandisk Technologies Llc | Three-dimensional junction memory device and method reading thereof using hole current detection |
EP3262680B1 (en) * | 2015-06-15 | 2019-08-21 | SanDisk Technologies LLC | Passive devices for integration with three-dimensional memory devices |
US9543318B1 (en) * | 2015-08-21 | 2017-01-10 | Sandisk Technologies Llc | Three dimensional memory device with epitaxial semiconductor pedestal for peripheral transistors |
WO2017053329A1 (en) * | 2015-09-21 | 2017-03-30 | Monolithic 3D Inc | 3d semiconductor device and structure |
US10038006B2 (en) * | 2015-12-22 | 2018-07-31 | Sandisk Technologies Llc | Through-memory-level via structures for a three-dimensional memory device |
CN107293532B (zh) * | 2016-04-11 | 2019-12-20 | 旺宏电子股份有限公司 | 半导体结构及其制造方法 |
KR20180019807A (ko) * | 2016-08-16 | 2018-02-27 | 삼성전자주식회사 | 반도체 소자 |
US10861870B2 (en) * | 2016-09-29 | 2020-12-08 | Intel Corporation | Inverted staircase contact for density improvement to 3D stacked devices |
US10134757B2 (en) * | 2016-11-07 | 2018-11-20 | Asm Ip Holding B.V. | Method of processing a substrate and a device manufactured by using the method |
KR20180068587A (ko) * | 2016-12-14 | 2018-06-22 | 삼성전자주식회사 | 수직형 반도체 소자 |
TWI630709B (zh) | 2017-03-14 | 2018-07-21 | 旺宏電子股份有限公司 | 三維半導體元件及其製造方法 |
US9953992B1 (en) * | 2017-06-01 | 2018-04-24 | Sandisk Technologies Llc | Mid-plane word line switch connection for CMOS under three-dimensional memory device and method of making thereof |
JP7203054B2 (ja) * | 2017-06-20 | 2023-01-12 | サンライズ メモリー コーポレイション | 3次元nor型メモリアレイアーキテクチャ及びその製造方法 |
US10224240B1 (en) | 2017-06-27 | 2019-03-05 | Sandisk Technologies Llc | Distortion reduction of memory openings in a multi-tier memory device through thermal cycle control |
KR102423766B1 (ko) | 2017-07-26 | 2022-07-21 | 삼성전자주식회사 | 3차원 반도체 소자 |
CN107658309B (zh) * | 2017-08-31 | 2019-01-01 | 长江存储科技有限责任公司 | 一种三维存储器阵列的多级接触及其制造方法 |
CN107731845B (zh) * | 2017-08-31 | 2020-09-11 | 长江存储科技有限责任公司 | 一种利用离子注入增大阶梯区域接触窗口的方法 |
KR102403732B1 (ko) | 2017-11-07 | 2022-05-30 | 삼성전자주식회사 | 3차원 비휘발성 메모리 소자 |
US10622369B2 (en) * | 2018-01-22 | 2020-04-14 | Sandisk Technologies Llc | Three-dimensional memory device including contact via structures that extend through word lines and method of making the same |
US10608010B2 (en) * | 2018-03-09 | 2020-03-31 | Sandisk Technologies Llc | Three-dimensional memory device containing replacement contact via structures and method of making the same |
CN108428703A (zh) * | 2018-04-17 | 2018-08-21 | 长江存储科技有限责任公司 | 三维存储器及其制造方法 |
CN109196644B (zh) * | 2018-04-18 | 2019-09-10 | 长江存储科技有限责任公司 | 用于形成三维存储器设备的阶梯结构的方法 |
KR102624625B1 (ko) * | 2018-04-20 | 2024-01-12 | 삼성전자주식회사 | 수직형 메모리 장치 및 그 제조 방법 |
JP7089067B2 (ja) * | 2018-05-18 | 2022-06-21 | 長江存儲科技有限責任公司 | 3次元メモリデバイスおよびその形成方法 |
US10998331B2 (en) * | 2018-06-27 | 2021-05-04 | Sandisk Technologies Llc | Three-dimensional inverse flat NAND memory device containing partially discrete charge storage elements and methods of making the same |
CN109075173B (zh) * | 2018-06-28 | 2019-09-03 | 长江存储科技有限责任公司 | 形成用于三维存储器件双侧布线的阶梯结构的方法 |
WO2020000306A1 (en) * | 2018-06-28 | 2020-01-02 | Yangtze Memory Technologies Co., Ltd. | Staircase structures for three-dimensional memory device double-sided routing |
KR20200007212A (ko) * | 2018-07-12 | 2020-01-22 | 에스케이하이닉스 주식회사 | 반도체 메모리 장치 및 그 형성방법 |
KR20200015219A (ko) * | 2018-08-03 | 2020-02-12 | 삼성전자주식회사 | 수직형 메모리 장치 및 그 제조 방법 |
WO2020037489A1 (en) * | 2018-08-21 | 2020-02-27 | Yangtze Memory Technologies Co., Ltd. | Three-dimensional memory devices having through array contacts and methods for forming the same |
KR102541001B1 (ko) | 2018-09-28 | 2023-06-07 | 삼성전자주식회사 | 수직형 메모리 장치 |
US10957706B2 (en) * | 2018-10-17 | 2021-03-23 | Sandisk Technologies Llc | Multi-tier three-dimensional memory device with dielectric support pillars and methods for making the same |
EP3827460B1 (en) * | 2018-10-18 | 2024-04-10 | Yangtze Memory Technologies Co., Ltd. | Methods for forming multi-division staircase structure of three-dimensional memory device |
EP3850660A4 (en) * | 2019-01-02 | 2022-05-04 | Yangtze Memory Technologies Co., Ltd. | THREE-DIMENSIONAL STORAGE ARRANGEMENTS WITH CONTINUOUS STAIR CONTACTS AND METHOD FOR THEIR MANUFACTURE |
WO2020155032A1 (en) * | 2019-01-31 | 2020-08-06 | Yangtze Memory Technologies Co., Ltd. | Methods for forming three-dimensional memory device without conductor residual caused by dishing |
CN110391242B (zh) | 2019-07-31 | 2021-08-20 | 中国科学院微电子研究所 | L形台阶状字线结构及其制作方法及三维存储器 |
CN113228275B (zh) * | 2019-12-24 | 2023-04-18 | 长江存储科技有限责任公司 | 三维nand存储器件及其形成方法 |
KR20210152471A (ko) * | 2020-06-05 | 2021-12-15 | 양쯔 메모리 테크놀로지스 씨오., 엘티디. | 3차원 메모리 디바이스의 계단 구조와 그 형성 방법 |
-
2020
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-
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-
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- 2023-04-17 US US18/135,596 patent/US20230253319A1/en active Pending
- 2023-07-19 JP JP2023117718A patent/JP2023143931A/ja active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5960369B1 (ja) | 2013-07-01 | 2016-08-02 | マイクロン テクノロジー, インク. | 階段構造を含む半導体デバイスおよびこれに関連する方法 |
JP2015056452A (ja) | 2013-09-10 | 2015-03-23 | 株式会社東芝 | 半導体記憶装置及びその製造方法 |
US20150255385A1 (en) | 2014-03-06 | 2015-09-10 | SK Hynix Inc. | Semiconductor device and method of fabricating the same |
US20170256551A1 (en) | 2016-03-02 | 2017-09-07 | Micron Technology, Inc. | Semiconductor device structures including staircase structures, and related methods and electronic systems |
JP2019057642A (ja) | 2017-09-21 | 2019-04-11 | 東芝メモリ株式会社 | 半導体記憶装置 |
JP2020027873A (ja) | 2018-08-10 | 2020-02-20 | キオクシア株式会社 | 半導体装置 |
CN111033729A (zh) | 2019-11-05 | 2020-04-17 | 长江存储科技有限责任公司 | 用于在三维存储器件中形成阶梯的方法和结构 |
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TWI741696B (zh) | 2021-10-01 |
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EP3953969A4 (en) | 2022-08-03 |
CN113345905B (zh) | 2024-04-30 |
US20220084944A1 (en) | 2022-03-17 |
CN111819690B (zh) | 2021-05-14 |
KR20210152471A (ko) | 2021-12-15 |
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WO2021243698A1 (en) | 2021-12-09 |
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