KR20190130004A - 에칭 방법 - Google Patents
에칭 방법 Download PDFInfo
- Publication number
- KR20190130004A KR20190130004A KR1020197031610A KR20197031610A KR20190130004A KR 20190130004 A KR20190130004 A KR 20190130004A KR 1020197031610 A KR1020197031610 A KR 1020197031610A KR 20197031610 A KR20197031610 A KR 20197031610A KR 20190130004 A KR20190130004 A KR 20190130004A
- Authority
- KR
- South Korea
- Prior art keywords
- etching
- silicon nitride
- nitride layer
- silicon oxide
- oxide layer
- 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.)
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Classifications
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- H01L21/3065—
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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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- H01L21/02131—
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- H01L21/31116—
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- H01L21/32136—
-
- 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
- H10P14/6922—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses containing silicon the material containing Si, O and at least one of H, N, C, F or other non-metal elements, e.g. SiOC, SiOC:H or SiONC
- H10P14/6924—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses containing silicon the material containing Si, O and at least one of H, N, C, F or other non-metal elements, e.g. SiOC, SiOC:H or SiONC the material being halogen doped silicon oxides, e.g. FSG
-
- 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
-
- 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
- H10P50/26—Dry etching; Plasma etching; Reactive-ion etching of conductive or resistive materials
- H10P50/264—Dry etching; Plasma etching; Reactive-ion etching of conductive or resistive materials by chemical means
- H10P50/266—Dry etching; Plasma etching; Reactive-ion etching of conductive or resistive materials by chemical means by vapour etching only
- H10P50/267—Dry etching; Plasma etching; Reactive-ion etching of conductive or resistive materials by chemical means by vapour etching only using plasmas
Landscapes
- Drying Of Semiconductors (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
Abstract
Description
도 2는 ICP 전력과 에칭 속도의 관계를 나타내는 그래프이다.
3: 실리콘 질화물층 5: 적층막
7: 마스크 9: 관통 구멍
Claims (4)
- 적층된 실리콘 산화물층과 실리콘 질화물층을 갖는 적층막을 구비하는 피처리체를 탄소, 브롬, 및 불소로 이루어지는 할로겐화탄소 화합물을 함유하는 에칭 가스에 의해 처리하여 상기 실리콘 산화물층과 상기 실리콘 질화물층의 양쪽을 에칭하는 에칭 공정을 구비하는 에칭 방법.
- 제 1 항에 있어서,
상기 할로겐화탄소 화합물이 디브로모디플루오로메탄 및 브로모펜타플루오로에탄 중 적어도 한쪽인 에칭 방법. - 제 1 항 또는 제 2 항에 있어서,
상기 에칭 가스가 불활성 가스를 더 함유하는 에칭 방법. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
상기 에칭 공정에 있어서는 상기 에칭 가스를 플라스마화해서 얻어지는 플라스마 가스를 사용하여 에칭하는 에칭 방법.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP-P-2017-113425 | 2017-06-08 | ||
| JP2017113425 | 2017-06-08 | ||
| PCT/JP2018/021277 WO2018225661A1 (ja) | 2017-06-08 | 2018-06-01 | エッチング方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20190130004A true KR20190130004A (ko) | 2019-11-20 |
| KR102390158B1 KR102390158B1 (ko) | 2022-04-25 |
Family
ID=64566715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020197031610A Active KR102390158B1 (ko) | 2017-06-08 | 2018-06-01 | 에칭 방법 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US11164751B2 (ko) |
| EP (1) | EP3624171B1 (ko) |
| JP (1) | JP7261159B2 (ko) |
| KR (1) | KR102390158B1 (ko) |
| CN (1) | CN110546743B (ko) |
| TW (1) | TWI690586B (ko) |
| WO (1) | WO2018225661A1 (ko) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7277225B2 (ja) * | 2019-04-08 | 2023-05-18 | 東京エレクトロン株式会社 | エッチング方法、及び、プラズマ処理装置 |
| CN113906829A (zh) * | 2019-06-18 | 2022-01-07 | 昭和电工株式会社 | 等离子体蚀刻方法 |
| WO2022163182A1 (ja) * | 2021-01-27 | 2022-08-04 | 昭和電工株式会社 | 金属酸化物のパターン形成方法及び半導体素子の製造方法 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US114402A (en) | 1871-05-02 | Improvement in shaft-couplings | ||
| US4374698A (en) * | 1980-07-11 | 1983-02-22 | U.S. Philips Corporation | Method of manufacturing a semiconductor device |
| JPH05152255A (ja) * | 1991-10-02 | 1993-06-18 | Sony Corp | ドライエツチング方法 |
| JPH05247673A (ja) * | 1990-10-19 | 1993-09-24 | Tokyo Electron Ltd | 酸化物部分および窒化物部分を含む被処理体のエッチング方法 |
| KR950009938A (ko) * | 1993-09-30 | 1995-04-26 | 다나까 도미오 | 기어펌프 |
| KR0135357B1 (en) * | 1992-12-28 | 1998-04-25 | Toshiba Corp | Etching method of silicon-nitride film |
| JP2000208488A (ja) * | 1999-01-12 | 2000-07-28 | Kawasaki Steel Corp | エッチング方法 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55138834A (en) | 1979-04-16 | 1980-10-30 | Nippon Telegr & Teleph Corp <Ntt> | Dry etching method |
| NL8204437A (nl) | 1982-11-16 | 1984-06-18 | Philips Nv | Werkwijze voor het vervaardigen van een halfgeleiderinrichting met behulp van plasma-etsen. |
| JPH03208367A (ja) | 1990-01-10 | 1991-09-11 | Fujitsu Ltd | 半導体装置の製造方法 |
| US5279705A (en) | 1990-11-28 | 1994-01-18 | Dainippon Screen Mfg. Co., Ltd. | Gaseous process for selectively removing silicon nitride film |
| DE4232475C2 (de) | 1992-09-28 | 1998-07-02 | Siemens Ag | Verfahren zum plasmachemischen Trockenätzen von Si¶3¶N¶4¶-Schichten hochselektiv zu SiO¶2¶-Schichten |
| US6660643B1 (en) | 1999-03-03 | 2003-12-09 | Rwe Schott Solar, Inc. | Etching of semiconductor wafer edges |
| TW527763B (en) | 2000-05-01 | 2003-04-11 | Koninkl Philips Electronics Nv | Power adaptive frequency divider |
| JP4761502B2 (ja) * | 2004-10-07 | 2011-08-31 | 株式会社アルバック | 層間絶縁膜のドライエッチング方法 |
| JPWO2007116515A1 (ja) | 2006-04-07 | 2009-08-20 | 株式会社フィルテック | 半導体装置及びその製造方法、ドライエッチング方法、配線材料の作製方法、並びにエッチング装置 |
| US8125069B2 (en) | 2006-04-07 | 2012-02-28 | Philtech Inc. | Semiconductor device and etching apparatus |
| TW200842971A (en) | 2007-04-18 | 2008-11-01 | Philtech Inc | Semiconductor device, its manufacturing method, dry etching method, method for manufacturing wiring material and dry etching device |
| JP5434970B2 (ja) | 2010-07-12 | 2014-03-05 | セントラル硝子株式会社 | ドライエッチング剤 |
| KR102333443B1 (ko) * | 2014-10-24 | 2021-12-02 | 삼성전자주식회사 | 반도체 소자의 제조 방법 |
| JP6327295B2 (ja) | 2015-08-12 | 2018-05-23 | セントラル硝子株式会社 | ドライエッチング方法 |
| WO2018037799A1 (ja) | 2016-08-25 | 2018-03-01 | 日本ゼオン株式会社 | プラズマエッチング方法 |
-
2018
- 2018-06-01 JP JP2019523511A patent/JP7261159B2/ja active Active
- 2018-06-01 EP EP18813647.7A patent/EP3624171B1/en active Active
- 2018-06-01 US US16/611,987 patent/US11164751B2/en active Active
- 2018-06-01 WO PCT/JP2018/021277 patent/WO2018225661A1/ja not_active Ceased
- 2018-06-01 CN CN201880027461.4A patent/CN110546743B/zh active Active
- 2018-06-01 KR KR1020197031610A patent/KR102390158B1/ko active Active
- 2018-06-07 TW TW107119577A patent/TWI690586B/zh active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US114402A (en) | 1871-05-02 | Improvement in shaft-couplings | ||
| US4374698A (en) * | 1980-07-11 | 1983-02-22 | U.S. Philips Corporation | Method of manufacturing a semiconductor device |
| JPH05247673A (ja) * | 1990-10-19 | 1993-09-24 | Tokyo Electron Ltd | 酸化物部分および窒化物部分を含む被処理体のエッチング方法 |
| US5302236A (en) * | 1990-10-19 | 1994-04-12 | Tokyo Electron Limited | Method of etching object to be processed including oxide or nitride portion |
| KR100227772B1 (ko) * | 1990-10-19 | 1999-11-01 | 니시무로 타이죠 | 산화물 부분 또는 질화물 부분을 함유하는 피처리체의 에칭방법 |
| JPH05152255A (ja) * | 1991-10-02 | 1993-06-18 | Sony Corp | ドライエツチング方法 |
| KR0135357B1 (en) * | 1992-12-28 | 1998-04-25 | Toshiba Corp | Etching method of silicon-nitride film |
| KR950009938A (ko) * | 1993-09-30 | 1995-04-26 | 다나까 도미오 | 기어펌프 |
| JP2000208488A (ja) * | 1999-01-12 | 2000-07-28 | Kawasaki Steel Corp | エッチング方法 |
| US6492068B1 (en) * | 1999-01-12 | 2002-12-10 | Kawasaki Steel Corporation | Etching method for production of semiconductor devices |
Also Published As
| Publication number | Publication date |
|---|---|
| US20210134603A1 (en) | 2021-05-06 |
| KR102390158B1 (ko) | 2022-04-25 |
| TW201903128A (zh) | 2019-01-16 |
| TWI690586B (zh) | 2020-04-11 |
| EP3624171A4 (en) | 2020-06-24 |
| CN110546743B (zh) | 2023-03-24 |
| EP3624171A1 (en) | 2020-03-18 |
| EP3624171B1 (en) | 2021-09-08 |
| JP7261159B2 (ja) | 2023-04-19 |
| CN110546743A (zh) | 2019-12-06 |
| JPWO2018225661A1 (ja) | 2020-04-09 |
| US11164751B2 (en) | 2021-11-02 |
| WO2018225661A1 (ja) | 2018-12-13 |
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