JP2024537515A - 高アスペクト比プラズマエッチングにおける金属含有表面の修正 - Google Patents

高アスペクト比プラズマエッチングにおける金属含有表面の修正 Download PDF

Info

Publication number
JP2024537515A
JP2024537515A JP2024526500A JP2024526500A JP2024537515A JP 2024537515 A JP2024537515 A JP 2024537515A JP 2024526500 A JP2024526500 A JP 2024526500A JP 2024526500 A JP2024526500 A JP 2024526500A JP 2024537515 A JP2024537515 A JP 2024537515A
Authority
JP
Japan
Prior art keywords
plasma
gas
mixed material
metal
material stack
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2024526500A
Other languages
English (en)
Japanese (ja)
Other versions
JP2024537515A5 (https=
Inventor
チャン・ヒー
リー・チェン
レイ・ケヴィン
マッキー・ニール・マカラエグ
ヘオ・ドンホ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lam Research Corp
Original Assignee
Lam Research Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lam Research Corp filed Critical Lam Research Corp
Publication of JP2024537515A publication Critical patent/JP2024537515A/ja
Publication of JP2024537515A5 publication Critical patent/JP2024537515A5/ja
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P50/00Etching of wafers, substrates or parts of devices
    • H10P50/20Dry etching; Plasma etching; Reactive-ion etching
    • H10P50/28Dry etching; Plasma etching; Reactive-ion etching of insulating materials
    • H10P50/282Dry etching; Plasma etching; Reactive-ion etching of insulating materials of inorganic materials
    • H10P50/283Dry etching; Plasma etching; Reactive-ion etching of insulating materials of inorganic materials by chemical means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32Gas-filled discharge tubes
    • H01J37/32431Constructional details of the reactor
    • H01J37/3244Gas supply means
    • H01J37/32449Gas control, e.g. control of the gas flow
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32Gas-filled discharge tubes
    • H01J37/32431Constructional details of the reactor
    • H01J37/32798Further details of plasma apparatus not provided for in groups H01J37/3244 - H01J37/32788; special provisions for cleaning or maintenance of the apparatus
    • H01J37/32816Pressure
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32Gas-filled discharge tubes
    • H01J37/32431Constructional details of the reactor
    • H01J37/32798Further details of plasma apparatus not provided for in groups H01J37/3244 - H01J37/32788; special provisions for cleaning or maintenance of the apparatus
    • H01J37/32899Multiple chambers, e.g. cluster tools
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P72/00Handling or holding of wafers, substrates or devices during manufacture or treatment thereof
    • H10P72/04Apparatus for manufacture or treatment
    • H10P72/0402Apparatus for fluid treatment
    • H10P72/0418Apparatus for fluid treatment for etching
    • H10P72/0421Apparatus for fluid treatment for etching for drying etching
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/32Processing objects by plasma generation
    • H01J2237/33Processing objects by plasma generation characterised by the type of processing
    • H01J2237/334Etching

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Drying Of Semiconductors (AREA)
  • ing And Chemical Polishing (AREA)
JP2024526500A 2021-11-03 2022-11-02 高アスペクト比プラズマエッチングにおける金属含有表面の修正 Pending JP2024537515A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202163263494P 2021-11-03 2021-11-03
US63/263,494 2021-11-03
PCT/US2022/079143 WO2023081703A1 (en) 2021-11-03 2022-11-02 Modification of metal-containing surfaces in high aspect ratio plasma etching

Publications (2)

Publication Number Publication Date
JP2024537515A true JP2024537515A (ja) 2024-10-10
JP2024537515A5 JP2024537515A5 (https=) 2025-10-23

Family

ID=86242155

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024526500A Pending JP2024537515A (ja) 2021-11-03 2022-11-02 高アスペクト比プラズマエッチングにおける金属含有表面の修正

Country Status (6)

Country Link
US (1) US20240420963A1 (https=)
JP (1) JP2024537515A (https=)
KR (1) KR20240091325A (https=)
CN (1) CN118202449A (https=)
TW (1) TW202335032A (https=)
WO (1) WO2023081703A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220161452A (ko) 2020-03-31 2022-12-06 램 리써치 코포레이션 염소 (chlorine) 를 사용한 고 종횡비 유전체 에칭

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6339963B2 (ja) * 2015-04-06 2018-06-06 東京エレクトロン株式会社 エッチング方法
KR101998943B1 (ko) * 2016-01-20 2019-07-10 도쿄엘렉트론가부시키가이샤 하이 애스펙스비의 피처를 에칭하기 위한 전력 변조
CN118588548A (zh) * 2018-03-16 2024-09-03 朗姆研究公司 在电介质中的高深宽比特征的等离子体蚀刻化学过程
JP6846387B2 (ja) * 2018-06-22 2021-03-24 東京エレクトロン株式会社 プラズマ処理方法及びプラズマ処理装置
US10515821B1 (en) * 2018-06-26 2019-12-24 Lam Research Corporation Method of achieving high selectivity for high aspect ratio dielectric etch
US10741407B2 (en) * 2018-10-19 2020-08-11 Lam Research Corporation Reduction of sidewall notching for high aspect ratio 3D NAND etch

Also Published As

Publication number Publication date
KR20240091325A (ko) 2024-06-21
WO2023081703A1 (en) 2023-05-11
US20240420963A1 (en) 2024-12-19
TW202335032A (zh) 2023-09-01
CN118202449A (zh) 2024-06-14

Similar Documents

Publication Publication Date Title
KR102834037B1 (ko) 에칭 챔버의 방향성 증착
KR102653066B1 (ko) 반도체 제조시 금속 도핑된 탄소계 하드마스크 제거
US20230298896A1 (en) Metal-based liner protection for high aspect ratio plasma etch
US10096487B2 (en) Atomic layer etching of tungsten and other metals
US11270890B2 (en) Etching carbon layer using doped carbon as a hard mask
KR20220149611A (ko) 몰리브덴의 원자 층 에칭
US12488992B2 (en) High aspect ratio dielectric etch with chlorine
US20230335378A1 (en) Passivation chemistry for plasma etching
US12435412B2 (en) High density, modulus, and hardness amorphous carbon films at low pressure
JP7639013B2 (ja) 無限選択性を有する高アスペクト比エッチング
JP7620021B2 (ja) 高アスペクト比の3d nandエッチングのための側壁のノッチ低減
US20240420963A1 (en) Modification of metal-containing surfaces in high aspect ratio plasma etching
US20250391658A1 (en) Integrated high aspect ratio etching
WO2022251245A1 (en) Chemistry for high aspect ratio etch for 3d-nand

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20251015

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20251015