KR102121640B1 - 에칭 방법 - Google Patents
에칭 방법 Download PDFInfo
- Publication number
- KR102121640B1 KR102121640B1 KR1020160173533A KR20160173533A KR102121640B1 KR 102121640 B1 KR102121640 B1 KR 102121640B1 KR 1020160173533 A KR1020160173533 A KR 1020160173533A KR 20160173533 A KR20160173533 A KR 20160173533A KR 102121640 B1 KR102121640 B1 KR 102121640B1
- Authority
- KR
- South Korea
- Prior art keywords
- gas
- fluorine
- etching
- containing gas
- reaction product
- 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.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
- H01J37/32082—Radio frequency generated discharge
-
- H01L21/3065—
-
- 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
-
- 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
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
- H01J37/32082—Radio frequency generated discharge
- H01J37/32137—Radio frequency generated discharge controlling of the discharge by modulation of energy
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
- H01J37/32082—Radio frequency generated discharge
- H01J37/32137—Radio frequency generated discharge controlling of the discharge by modulation of energy
- H01J37/32155—Frequency modulation
- H01J37/32165—Plural frequencies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/02—Details
- H01J49/10—Ion sources; Ion guns
- H01J49/105—Ion sources; Ion guns using high-frequency excitation, e.g. microwave excitation, Inductively Coupled Plasma [ICP]
-
- H01L21/02315—
-
- H01L21/31116—
-
- H01L21/324—
-
- H01L21/67069—
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/46—Generating plasma using applied electromagnetic fields, e.g. high frequency or microwave energy
-
- 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
- H10P14/65—Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by treatments performed before or after the formation of the materials
- H10P14/6502—Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by treatments performed before or after the formation of the materials of treatments performed before formation of the materials
- H10P14/6512—Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by treatments performed before or after the formation of the materials of treatments performed before formation of the materials by exposure to a gas or vapour
- H10P14/6514—Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by treatments performed before or after the formation of the materials of treatments performed before formation of the materials by exposure to a gas or vapour by exposure to a plasma
-
- 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
- H10P50/73—Etching of wafers, substrates or parts of devices using masks for insulating 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
- H10P72/00—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof
- H10P72/04—Apparatus for manufacture or treatment
- H10P72/0402—Apparatus for fluid treatment
- H10P72/0418—Apparatus for fluid treatment for etching
- H10P72/0421—Apparatus for fluid treatment for etching for drying etching
-
- 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
- H10P95/00—Generic processes or apparatus for manufacture or treatments not covered by the other groups of this subclass
- H10P95/90—Thermal treatments, e.g. annealing or sintering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
- H01J2237/32—Processing objects by plasma generation
- H01J2237/33—Processing objects by plasma generation characterised by the type of processing
- H01J2237/334—Etching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
- H01J2237/32—Processing objects by plasma generation
- H01J2237/33—Processing objects by plasma generation characterised by the type of processing
- H01J2237/334—Etching
- H01J2237/3343—Problems associated with etching
-
- H01L2924/01009—
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Electromagnetism (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Drying Of Semiconductors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015250060A JP6385915B2 (ja) | 2015-12-22 | 2015-12-22 | エッチング方法 |
| JPJP-P-2015-250060 | 2015-12-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20170074784A KR20170074784A (ko) | 2017-06-30 |
| KR102121640B1 true KR102121640B1 (ko) | 2020-06-10 |
Family
ID=59066628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020160173533A Active KR102121640B1 (ko) | 2015-12-22 | 2016-12-19 | 에칭 방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10410877B2 (enExample) |
| JP (1) | JP6385915B2 (enExample) |
| KR (1) | KR102121640B1 (enExample) |
| CN (1) | CN107039229B (enExample) |
| SG (1) | SG10201610659YA (enExample) |
| TW (1) | TWI743072B (enExample) |
Families Citing this family (44)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10434604B2 (en) | 2016-10-14 | 2019-10-08 | Applied Materials, Inc. | Texturizing a surface without bead blasting |
| US10777442B2 (en) * | 2016-11-18 | 2020-09-15 | Applied Materials, Inc. | Hybrid substrate carrier |
| JP6832171B2 (ja) | 2017-01-24 | 2021-02-24 | 東京エレクトロン株式会社 | プラズマ処理装置のチャンバ本体の内部のクリーニングを含むプラズマ処理方法 |
| JP7181734B2 (ja) * | 2017-09-01 | 2022-12-01 | 東京エレクトロン株式会社 | エッチング方法 |
| KR102623767B1 (ko) * | 2017-09-01 | 2024-01-10 | 도쿄엘렉트론가부시키가이샤 | 에칭 방법 |
| US10510575B2 (en) | 2017-09-20 | 2019-12-17 | Applied Materials, Inc. | Substrate support with multiple embedded electrodes |
| US10811267B2 (en) | 2017-12-21 | 2020-10-20 | Micron Technology, Inc. | Methods of processing semiconductor device structures and related systems |
| JP7239607B2 (ja) * | 2018-04-17 | 2023-03-14 | アプライド マテリアルズ インコーポレイテッド | ビードブラストを用いない表面のテクスチャリング |
| US10555412B2 (en) | 2018-05-10 | 2020-02-04 | Applied Materials, Inc. | Method of controlling ion energy distribution using a pulse generator with a current-return output stage |
| US10770305B2 (en) * | 2018-05-11 | 2020-09-08 | Tokyo Electron Limited | Method of atomic layer etching of oxide |
| JP2020068221A (ja) * | 2018-10-22 | 2020-04-30 | 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 |
| US11476145B2 (en) | 2018-11-20 | 2022-10-18 | Applied Materials, Inc. | Automatic ESC bias compensation when using pulsed DC bias |
| KR20250100790A (ko) | 2019-01-22 | 2025-07-03 | 어플라이드 머티어리얼스, 인코포레이티드 | 펄스 전압 파형을 제어하기 위한 피드백 루프 |
| US11508554B2 (en) | 2019-01-24 | 2022-11-22 | Applied Materials, Inc. | High voltage filter assembly |
| JP7222940B2 (ja) * | 2019-02-18 | 2023-02-15 | 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 |
| KR102904251B1 (ko) * | 2019-02-18 | 2025-12-24 | 도쿄엘렉트론가부시키가이샤 | 에칭 방법 |
| JP7190940B2 (ja) * | 2019-03-01 | 2022-12-16 | 東京エレクトロン株式会社 | 基板処理方法及び基板処理装置 |
| JP2020177958A (ja) * | 2019-04-15 | 2020-10-29 | 東京エレクトロン株式会社 | 基板処理方法及び基板処理装置 |
| JP7372073B2 (ja) * | 2019-08-02 | 2023-10-31 | 東京エレクトロン株式会社 | 基板処理方法、基板処理装置及びクリーニング装置 |
| 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 |
| US11087989B1 (en) | 2020-06-18 | 2021-08-10 | Applied Materials, Inc. | Cryogenic atomic layer etch with noble gases |
| US11462388B2 (en) | 2020-07-31 | 2022-10-04 | Applied Materials, Inc. | Plasma processing assembly using pulsed-voltage and radio-frequency power |
| US11798790B2 (en) | 2020-11-16 | 2023-10-24 | Applied Materials, Inc. | Apparatus and methods for controlling ion energy distribution |
| US11901157B2 (en) | 2020-11-16 | 2024-02-13 | Applied Materials, Inc. | Apparatus and methods for controlling ion energy distribution |
| JP6989685B1 (ja) * | 2020-12-16 | 2022-01-05 | 株式会社Cygames | 情報処理プログラム、情報処理方法および情報処理システム |
| US11495470B1 (en) | 2021-04-16 | 2022-11-08 | Applied Materials, Inc. | Method of enhancing etching selectivity using a pulsed plasma |
| US11791138B2 (en) | 2021-05-12 | 2023-10-17 | Applied Materials, Inc. | Automatic electrostatic chuck bias compensation during plasma processing |
| US11948780B2 (en) | 2021-05-12 | 2024-04-02 | Applied Materials, Inc. | Automatic electrostatic chuck bias compensation during plasma processing |
| US11967483B2 (en) | 2021-06-02 | 2024-04-23 | Applied Materials, Inc. | Plasma excitation with ion energy control |
| US12525433B2 (en) | 2021-06-09 | 2026-01-13 | Applied Materials, Inc. | Method and apparatus to reduce feature charging in plasma processing chamber |
| US12148595B2 (en) | 2021-06-09 | 2024-11-19 | Applied Materials, Inc. | Plasma uniformity control in pulsed DC plasma chamber |
| US12525441B2 (en) | 2021-06-09 | 2026-01-13 | Applied Materials, Inc. | Plasma chamber and chamber component cleaning methods |
| US11810760B2 (en) | 2021-06-16 | 2023-11-07 | Applied Materials, Inc. | Apparatus and method of ion current compensation |
| US11569066B2 (en) | 2021-06-23 | 2023-01-31 | Applied Materials, Inc. | Pulsed voltage source for plasma processing applications |
| US11476090B1 (en) | 2021-08-24 | 2022-10-18 | Applied Materials, Inc. | Voltage pulse time-domain multiplexing |
| US12106938B2 (en) | 2021-09-14 | 2024-10-01 | Applied Materials, Inc. | Distortion current mitigation in a radio frequency plasma processing chamber |
| US11694876B2 (en) | 2021-12-08 | 2023-07-04 | Applied Materials, Inc. | Apparatus and method for delivering a plurality of waveform signals during plasma processing |
| KR20230111394A (ko) | 2022-01-18 | 2023-07-25 | 삼성전자주식회사 | 저온 식각용 공정 가스, 플라즈마 식각 장치, 및 이들을 이용한 반도체 소자의 제조 방법 |
| CN115185129B (zh) * | 2022-06-07 | 2024-02-09 | 深圳技术大学 | 介质膜过孔的刻蚀方法、液晶显示面板及液晶显示器 |
| US11972924B2 (en) | 2022-06-08 | 2024-04-30 | Applied Materials, Inc. | Pulsed voltage source for plasma processing applications |
| US12315732B2 (en) | 2022-06-10 | 2025-05-27 | Applied Materials, Inc. | Method and apparatus for etching a semiconductor substrate in a plasma etch chamber |
| EP4329453B1 (en) * | 2022-07-12 | 2025-05-28 | Changxin Memory Technologies, Inc. | Manufacturing method for semiconductor structure |
| US12272524B2 (en) | 2022-09-19 | 2025-04-08 | Applied Materials, Inc. | Wideband variable impedance load for high volume manufacturing qualification and on-site diagnostics |
| US12111341B2 (en) | 2022-10-05 | 2024-10-08 | Applied Materials, Inc. | In-situ electric field detection method and apparatus |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030019842A1 (en) | 2000-08-31 | 2003-01-30 | Hineman Max F. | Plasma reaction chamber assemblies |
| US20150034592A1 (en) * | 2013-07-30 | 2015-02-05 | Corporation For National Research Initiatives | Method for etching deep, high-aspect ratio features into glass, fused silica, and quartz materials |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3044824B2 (ja) * | 1991-04-27 | 2000-05-22 | ソニー株式会社 | ドライエッチング装置及びドライエッチング方法 |
| JP2789969B2 (ja) * | 1992-11-12 | 1998-08-27 | 住友金属工業株式会社 | 半導体装置のコンタクトホール形成方法 |
| JPH0722393A (ja) * | 1993-06-23 | 1995-01-24 | Toshiba Corp | ドライエッチング装置及びドライエッチング方法 |
| JPH0766280A (ja) * | 1993-08-30 | 1995-03-10 | Toshiba Corp | 半導体装置の製造方法 |
| JP2924596B2 (ja) * | 1993-09-27 | 1999-07-26 | 日立電線株式会社 | 低温ドライエッチング方法およびその装置 |
| JPH07273089A (ja) * | 1994-03-30 | 1995-10-20 | Toshiba Corp | プラズマ処理装置及びプラズマ処理方法 |
| JPH09134907A (ja) * | 1995-11-07 | 1997-05-20 | Hitachi Cable Ltd | ドライエッチング方法およびその装置 |
| TW486733B (en) * | 1999-12-28 | 2002-05-11 | Toshiba Corp | Dry etching method and manufacturing method of semiconductor device for realizing high selective etching |
| US6890863B1 (en) * | 2000-04-27 | 2005-05-10 | Micron Technology, Inc. | Etchant and method of use |
| US7931820B2 (en) | 2000-09-07 | 2011-04-26 | Daikin Industries, Ltd. | Dry etching gas and method for dry etching |
| US6869542B2 (en) * | 2003-03-12 | 2005-03-22 | International Business Machines Corporation | Hard mask integrated etch process for patterning of silicon oxide and other dielectric materials |
| JP2007537602A (ja) | 2004-05-11 | 2007-12-20 | アプライド マテリアルズ インコーポレイテッド | フルオロカーボン化学エッチングにおけるh2添加物を使用しての炭素ドープ酸化ケイ素エッチング |
| US20060118519A1 (en) * | 2004-12-03 | 2006-06-08 | Applied Materials Inc. | Dielectric etch method with high source and low bombardment plasma providing high etch rates |
| US8780911B2 (en) * | 2009-10-08 | 2014-07-15 | Force10 Networks, Inc. | Link aggregation based on port and protocol combination |
| JP5655296B2 (ja) * | 2009-12-01 | 2015-01-21 | セントラル硝子株式会社 | エッチングガス |
| JP2013030531A (ja) * | 2011-07-27 | 2013-02-07 | Central Glass Co Ltd | ドライエッチング剤 |
| US8652969B2 (en) * | 2011-10-26 | 2014-02-18 | International Business Machines Corporation | High aspect ratio and reduced undercut trench etch process for a semiconductor substrate |
| JP6096438B2 (ja) * | 2012-08-27 | 2017-03-15 | 東京エレクトロン株式会社 | プラズマエッチング方法及びプラズマエッチング装置 |
| US9013027B2 (en) * | 2013-07-25 | 2015-04-21 | Infineon Technologies Ag | Semiconductor device, a semiconductor wafer structure, and a method for forming a semiconductor wafer structure |
| JP2015079793A (ja) * | 2013-10-15 | 2015-04-23 | 東京エレクトロン株式会社 | プラズマ処理方法 |
| JP6230930B2 (ja) | 2014-02-17 | 2017-11-15 | 東京エレクトロン株式会社 | 半導体装置の製造方法 |
| JP6498022B2 (ja) * | 2015-04-22 | 2019-04-10 | 東京エレクトロン株式会社 | エッチング処理方法 |
-
2015
- 2015-12-22 JP JP2015250060A patent/JP6385915B2/ja active Active
-
2016
- 2016-12-14 US US15/378,167 patent/US10410877B2/en active Active
- 2016-12-16 CN CN201611165711.XA patent/CN107039229B/zh active Active
- 2016-12-19 KR KR1020160173533A patent/KR102121640B1/ko active Active
- 2016-12-20 SG SG10201610659YA patent/SG10201610659YA/en unknown
- 2016-12-20 TW TW105142155A patent/TWI743072B/zh active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030019842A1 (en) | 2000-08-31 | 2003-01-30 | Hineman Max F. | Plasma reaction chamber assemblies |
| US20150034592A1 (en) * | 2013-07-30 | 2015-02-05 | Corporation For National Research Initiatives | Method for etching deep, high-aspect ratio features into glass, fused silica, and quartz materials |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6385915B2 (ja) | 2018-09-05 |
| JP2017117883A (ja) | 2017-06-29 |
| CN107039229B (zh) | 2019-08-20 |
| SG10201610659YA (en) | 2017-07-28 |
| CN107039229A (zh) | 2017-08-11 |
| TWI743072B (zh) | 2021-10-21 |
| US20170178922A1 (en) | 2017-06-22 |
| TW201732923A (zh) | 2017-09-16 |
| KR20170074784A (ko) | 2017-06-30 |
| US10410877B2 (en) | 2019-09-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102121640B1 (ko) | 에칭 방법 | |
| US10707090B2 (en) | Plasma etching method | |
| KR102426264B1 (ko) | 에칭 방법 | |
| US10381237B2 (en) | Etching method | |
| KR102180406B1 (ko) | 에칭 방법 | |
| KR102320085B1 (ko) | 반도체 장치의 제조 방법 | |
| JP6621882B2 (ja) | エッチング装置 | |
| KR101937727B1 (ko) | 에칭 방법 | |
| TWI633599B (zh) | Etching method and etching device | |
| JP6498152B2 (ja) | エッチング方法 | |
| KR101957348B1 (ko) | 플라즈마 처리 장치 및 플라즈마 처리 방법 | |
| KR20180000692A (ko) | 에칭 처리 방법 | |
| KR20160140467A (ko) | 에칭 방법 | |
| KR20170140078A (ko) | 에칭 처리 방법 | |
| US9224616B2 (en) | Etching method and plasma processing apparatus | |
| KR20160140469A (ko) | 에칭 방법 | |
| KR20160134537A (ko) | 에칭 방법 | |
| WO2022215556A1 (ja) | エッチング方法及びエッチング処理装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
St.27 status event code: A-0-1-A10-A12-nap-PA0109 |
|
| PG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
|
| P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
| P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
| PA0201 | Request for examination |
St.27 status event code: A-1-2-D10-D11-exm-PA0201 |
|
| PA0302 | Request for accelerated examination |
St.27 status event code: A-1-2-D10-D17-exm-PA0302 St.27 status event code: A-1-2-D10-D16-exm-PA0302 |
|
| D13-X000 | Search requested |
St.27 status event code: A-1-2-D10-D13-srh-X000 |
|
| D14-X000 | Search report completed |
St.27 status event code: A-1-2-D10-D14-srh-X000 |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
St.27 status event code: A-1-2-D10-D21-exm-PE0902 |
|
| E13-X000 | Pre-grant limitation requested |
St.27 status event code: A-2-3-E10-E13-lim-X000 |
|
| P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
| P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
St.27 status event code: A-1-2-D10-D22-exm-PE0701 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
St.27 status event code: A-2-4-F10-F11-exm-PR0701 |
|
| PR1002 | Payment of registration fee |
St.27 status event code: A-2-2-U10-U11-oth-PR1002 Fee payment year number: 1 |
|
| PG1601 | Publication of registration |
St.27 status event code: A-4-4-Q10-Q13-nap-PG1601 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 4 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 5 |
|
| P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |