KR20200044974A - 에칭 방법 및 반도체의 제조 방법 - Google Patents
에칭 방법 및 반도체의 제조 방법 Download PDFInfo
- Publication number
- KR20200044974A KR20200044974A KR1020207010772A KR20207010772A KR20200044974A KR 20200044974 A KR20200044974 A KR 20200044974A KR 1020207010772 A KR1020207010772 A KR 1020207010772A KR 20207010772 A KR20207010772 A KR 20207010772A KR 20200044974 A KR20200044974 A KR 20200044974A
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- KR
- South Korea
- Prior art keywords
- etching
- silicon nitride
- hole
- silicon oxide
- oxide layer
- Prior art date
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P50/00—Etching of wafers, substrates or parts of devices
- H10P50/20—Dry etching; Plasma etching; Reactive-ion etching
- H10P50/28—Dry etching; Plasma etching; Reactive-ion etching of insulating materials
- H10P50/282—Dry etching; Plasma etching; Reactive-ion etching of insulating materials of inorganic materials
- H10P50/283—Dry etching; Plasma etching; Reactive-ion etching of insulating materials of inorganic materials by chemical means
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- H01L21/31116—
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- H01L21/02164—
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- H01L21/0217—
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- H01L27/11556—
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- H01L27/11582—
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- H01L29/788—
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- H01L29/792—
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B41/00—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates
- H10B41/20—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by three-dimensional [3D] arrangements, e.g. with cells on different height levels
- H10B41/23—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by three-dimensional [3D] arrangements, e.g. with cells on different height levels with source and drain on different levels, e.g. with sloping channels
- H10B41/27—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by three-dimensional [3D] arrangements, e.g. with cells on different height levels with source and drain on different levels, e.g. with sloping channels the channels comprising vertical portions, e.g. U-shaped channels
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B43/00—EEPROM devices comprising charge-trapping gate insulators
- H10B43/20—EEPROM devices comprising charge-trapping gate insulators characterised by three-dimensional [3D] arrangements, e.g. with cells on different height levels
- H10B43/23—EEPROM devices comprising charge-trapping gate insulators characterised by three-dimensional [3D] arrangements, e.g. with cells on different height levels with source and drain on different levels, e.g. with sloping channels
- H10B43/27—EEPROM devices comprising charge-trapping gate insulators characterised by three-dimensional [3D] arrangements, e.g. with cells on different height levels with source and drain on different levels, e.g. with sloping channels the channels comprising vertical portions, e.g. U-shaped channels
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/68—Floating-gate IGFETs
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/69—IGFETs having charge trapping gate insulators, e.g. MNOS transistors
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/60—Formation of materials, e.g. in the shape of layers or pillars of insulating materials
- H10P14/69—Inorganic materials
- H10P14/692—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses
- H10P14/6921—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses containing silicon
- H10P14/69215—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses containing silicon the material being a silicon oxide, e.g. SiO2
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/60—Formation of materials, e.g. in the shape of layers or pillars of insulating materials
- H10P14/69—Inorganic materials
- H10P14/694—Inorganic materials composed of nitrides
- H10P14/6943—Inorganic materials composed of nitrides containing silicon
- H10P14/69433—Inorganic materials composed of nitrides containing silicon the material being a silicon nitride not containing oxygen, e.g. SixNy or SixByNz
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P50/00—Etching of wafers, substrates or parts of devices
- H10P50/20—Dry etching; Plasma etching; Reactive-ion etching
- H10P50/24—Dry etching; Plasma etching; Reactive-ion etching of semiconductor materials
- H10P50/242—Dry etching; Plasma etching; Reactive-ion etching of semiconductor materials of Group IV materials
Landscapes
- Drying Of Semiconductors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Semiconductor Memories (AREA)
- Non-Volatile Memory (AREA)
- Weting (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
Abstract
Description
도 2는 실시예 및 비교예에 사용한 시험편의 구조를 설명하는 모식도이다.
도 3은 에칭 속도의 측정 결과를 나타내는 그래프이다.
도 4는 에칭 속도비의 측정 결과를 나타내는 그래프이다.
도 5는 애스펙트비의 측정 결과를 나타내는 그래프이다.
도 6은 사이드 에치율의 측정 결과를 나타내는 그래프이다.
2: 실리콘 산화물층
3: 실리콘 질화물층
5: 적층막
7: 마스크
9: 관통 구멍
21: 실리콘 화합물층
23: 포토레지스트 도트 패턴 마스크
23a: 개구부
Claims (5)
- 적층된 실리콘 산화물층과 실리콘 질화물층을 갖는 적층막을 구비하는 피처리체를, 화학식 C2HxF(3-x)Br(상기 화학식 중의 x는 0, 1, 또는 2임)으로 표시되는 불포화 할론을 함유하는 에칭 가스에 의해 처리하여, 상기 실리콘 산화물층과 상기 실리콘 질화물층의 양쪽을 에칭하는 에칭 공정을 구비하는, 에칭 방법.
- 제1항에 있어서, 상기 불포화 할론이 브로모트리플루오로에틸렌, (E)-1-브로모-2-플루오로에틸렌 및 1-브로모-1-플루오로에틸렌으로 이루어지는 군으로부터 선택되는 적어도 하나인, 에칭 방법.
- 제1항 또는 제2항에 있어서, 상기 에칭 가스가 불활성 가스를 더 함유하는, 에칭 방법.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 에칭 공정에 있어서는, 상기 에칭 가스를 플라스마화하여 얻어지는 플라스마 가스를 사용하여 에칭하는, 에칭 방법.
- 제1항 내지 제4항 중 어느 한 항에 기재된 에칭 방법으로 에칭을 행하는 것을 포함하는, 반도체의 제조 방법.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017212871 | 2017-11-02 | ||
| JPJP-P-2017-212871 | 2017-11-02 | ||
| PCT/JP2018/039220 WO2019087850A1 (ja) | 2017-11-02 | 2018-10-22 | エッチング方法及び半導体の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20200044974A true KR20200044974A (ko) | 2020-04-29 |
| KR102376841B1 KR102376841B1 (ko) | 2022-03-18 |
Family
ID=66331838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020207010772A Active KR102376841B1 (ko) | 2017-11-02 | 2018-10-22 | 에칭 방법 및 반도체의 제조 방법 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US11114305B2 (ko) |
| EP (1) | EP3706158A4 (ko) |
| JP (1) | JP7310608B2 (ko) |
| KR (1) | KR102376841B1 (ko) |
| CN (1) | CN111213224B (ko) |
| IL (1) | IL274331B2 (ko) |
| SG (1) | SG11202003151VA (ko) |
| TW (1) | TWI713920B (ko) |
| WO (1) | WO2019087850A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20230009471A (ko) * | 2020-08-31 | 2023-01-17 | 쇼와 덴코 가부시키가이샤 | 플라스마 에칭 방법 및 반도체 소자의 제조 방법 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113784776B (zh) * | 2019-08-06 | 2024-03-19 | 株式会社力森诺科 | 气体处理方法和气体处理装置 |
| JP7390134B2 (ja) * | 2019-08-28 | 2023-12-01 | 東京エレクトロン株式会社 | エッチング処理方法およびエッチング処理装置 |
| KR102730276B1 (ko) * | 2019-11-08 | 2024-11-13 | 어플라이드 머티어리얼스, 인코포레이티드 | 3d nand 게이트 스택 보강 |
| EP4443478A4 (en) * | 2021-12-02 | 2025-11-26 | Resonac Corp | METHOD FOR FORMING A DEPOSIT FILM |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US152255A (en) | 1874-06-23 | Improvement in transplanters | ||
| US176293A (en) | 1876-04-18 | Improvement in grain-binders | ||
| JPH05152255A (ja) * | 1991-10-02 | 1993-06-18 | Sony Corp | ドライエツチング方法 |
| JP2012038864A (ja) * | 2010-08-05 | 2012-02-23 | Toshiba Corp | 半導体装置の製造方法 |
| JP2013070098A (ja) | 2008-07-11 | 2013-04-18 | Tokyo Electron Ltd | 基板処理方法 |
| KR20150099515A (ko) * | 2012-12-27 | 2015-08-31 | 제온 코포레이션 | 드라이 에칭 방법 |
| JP2017050529A (ja) | 2015-08-12 | 2017-03-09 | セントラル硝子株式会社 | ドライエッチング方法 |
| JP2017103388A (ja) * | 2015-12-03 | 2017-06-08 | 東京エレクトロン株式会社 | プラズマエッチング方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01304731A (ja) * | 1988-06-01 | 1989-12-08 | Matsushita Electric Ind Co Ltd | エッチング方法とエッチドミラーとエッチング装置 |
| US6660643B1 (en) * | 1999-03-03 | 2003-12-09 | Rwe Schott Solar, Inc. | Etching of semiconductor wafer edges |
| JP2010041028A (ja) * | 2008-07-11 | 2010-02-18 | Tokyo Electron Ltd | 基板処理方法 |
| SG173283A1 (en) | 2010-01-26 | 2011-08-29 | Semiconductor Energy Lab | Method for manufacturing soi substrate |
| JP2014041849A (ja) | 2010-06-24 | 2014-03-06 | Nippon Zeon Co Ltd | プラズマ反応用ガス及びその利用 |
| JP6788177B2 (ja) * | 2015-05-14 | 2020-11-25 | セントラル硝子株式会社 | ドライエッチング方法、ドライエッチング剤及び半導体装置の製造方法 |
-
2018
- 2018-10-22 JP JP2019551126A patent/JP7310608B2/ja active Active
- 2018-10-22 KR KR1020207010772A patent/KR102376841B1/ko active Active
- 2018-10-22 US US16/756,914 patent/US11114305B2/en active Active
- 2018-10-22 SG SG11202003151VA patent/SG11202003151VA/en unknown
- 2018-10-22 EP EP18872684.8A patent/EP3706158A4/en active Pending
- 2018-10-22 CN CN201880066209.4A patent/CN111213224B/zh active Active
- 2018-10-22 IL IL274331A patent/IL274331B2/en unknown
- 2018-10-22 WO PCT/JP2018/039220 patent/WO2019087850A1/ja not_active Ceased
- 2018-10-31 TW TW107138483A patent/TWI713920B/zh active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US152255A (en) | 1874-06-23 | Improvement in transplanters | ||
| US176293A (en) | 1876-04-18 | Improvement in grain-binders | ||
| JPH05152255A (ja) * | 1991-10-02 | 1993-06-18 | Sony Corp | ドライエツチング方法 |
| JP2013070098A (ja) | 2008-07-11 | 2013-04-18 | Tokyo Electron Ltd | 基板処理方法 |
| JP2012038864A (ja) * | 2010-08-05 | 2012-02-23 | Toshiba Corp | 半導体装置の製造方法 |
| KR20150099515A (ko) * | 2012-12-27 | 2015-08-31 | 제온 코포레이션 | 드라이 에칭 방법 |
| JP2017050529A (ja) | 2015-08-12 | 2017-03-09 | セントラル硝子株式会社 | ドライエッチング方法 |
| JP2017103388A (ja) * | 2015-12-03 | 2017-06-08 | 東京エレクトロン株式会社 | プラズマエッチング方法 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20230009471A (ko) * | 2020-08-31 | 2023-01-17 | 쇼와 덴코 가부시키가이샤 | 플라스마 에칭 방법 및 반도체 소자의 제조 방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| IL274331B2 (en) | 2023-04-01 |
| CN111213224B (zh) | 2023-12-19 |
| TWI713920B (zh) | 2020-12-21 |
| EP3706158A4 (en) | 2021-01-06 |
| CN111213224A (zh) | 2020-05-29 |
| JPWO2019087850A1 (ja) | 2020-09-24 |
| SG11202003151VA (en) | 2020-05-28 |
| JP7310608B2 (ja) | 2023-07-19 |
| US20210217627A1 (en) | 2021-07-15 |
| IL274331A (en) | 2020-06-30 |
| US11114305B2 (en) | 2021-09-07 |
| EP3706158A1 (en) | 2020-09-09 |
| IL274331B (en) | 2022-12-01 |
| KR102376841B1 (ko) | 2022-03-18 |
| WO2019087850A1 (ja) | 2019-05-09 |
| TW201930648A (zh) | 2019-08-01 |
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