KR20110139660A - 기판 처리 방법 - Google Patents
기판 처리 방법 Download PDFInfo
- Publication number
- KR20110139660A KR20110139660A KR1020110060614A KR20110060614A KR20110139660A KR 20110139660 A KR20110139660 A KR 20110139660A KR 1020110060614 A KR1020110060614 A KR 1020110060614A KR 20110060614 A KR20110060614 A KR 20110060614A KR 20110139660 A KR20110139660 A KR 20110139660A
- Authority
- KR
- South Korea
- Prior art keywords
- bias
- high frequency
- frequency power
- plasma
- anion
- 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.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67155—Apparatus for manufacturing or treating in a plurality of work-stations
- H01L21/6719—Apparatus for manufacturing or treating in a plurality of work-stations characterized by the construction of the processing chambers, e.g. modular processing chambers
-
- 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
- H01J37/32091—Radio frequency generated discharge the radio frequency energy being capacitively coupled to the plasma
-
- 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
- H01J37/32146—Amplitude modulation, includes pulsing
-
- 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
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/30604—Chemical etching
- H01L21/30612—Etching of AIIIBV compounds
- H01L21/30621—Vapour phase etching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/3065—Plasma etching; Reactive-ion etching
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Electromagnetism (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Drying Of Semiconductors (AREA)
- Plasma Technology (AREA)
Abstract
Description
도 2a 내지 도 2c는 펄스 제어 방식을 적용한 기판 처리 방법에서의 각종 태양의 제어 공정을 도시한 도면이다.
도 3은 본 발명의 실시예에 따른 기판 처리 방법에서의 제어 공정을 도시한 도이다.
도 4는 음이온이 생성되는 메카니즘을 도시한 설명도이다.
도 5는 음이온 인입 단계에서의 바이어스 전압의 변화를 나타낸 그래프이며, 이 바이어스 전압을 양이온 에칭 단계에서의 바이어스 전압의 그래프와 비교하여 도시한 것이다.
도 6은 본 발명의 실시예에서의 음이온의 작용을 도시한 설명도이다.
도 7은 종래의 기판 처리 방법에서의 양이온의 쉐이딩 효과를 도시한 설명도이다.
11 : 처리실
12 : 서셉터
30 : 샤워 헤드
60 : 대상막
61 : 홀
62 : 양이온
63 : 양이온
64 : 음이온
Claims (6)
- 내부에 플라즈마가 생기는 처리실과, 상기 처리실 내에 배치되고 기판을 재치하는 재치대와, 상기 재치대에 대향 배치된 전극을 구비하는 기판 처리 장치의, 상기 처리실 내에 플라즈마 생성용의 고주파 전력을 인가하고, 상기 재치대에 상기 플라즈마 생성용의 고주파 전력보다 주파수가 낮은 바이어스용의 고주파 전력을 인가하여 상기 기판에 플라즈마 에칭 처리를 실시하는 기판 처리 방법으로서,
상기 플라즈마 생성용의 고주파 전력 및 상기 바이어스용의 고주파 전력을 각각 펄스파로서 인가하고,
상기 플라즈마 생성용의 고주파 전력 및 상기 바이어스용의 고주파 전력을 모두 인가하여 상기 플라즈마 중의 양이온에 의해 상기 기판에 에칭 처리를 실시하는 양이온 에칭 단계와,
상기 플라즈마 생성용의 고주파 전력 및 상기 바이어스용의 고주파 전력의 인가를 모두 정지하고 상기 처리실 내에서 음이온을 발생시키는 음이온 생성 단계와,
상기 플라즈마 생성용의 고주파 전력의 인가를 정지하고, 상기 바이어스용의 고주파 전력을 인가하여 상기 음이온을 상기 기판으로 인입하는 음이온 인입 단계를 가지고,
상기 바이어스용의 고주파 전력의 듀티비를 상기 플라즈마 생성용의 고주파 전력의 듀티비보다 크게 하는 것을 특징으로 하는 기판 처리 방법. - 제 1 항에 있어서,
상기 바이어스용의 고주파 전력의 듀티비는 0.7 ~ 0.8, 상기 플라즈마 생성용의 고주파 전력의 듀티비는 0.5 ~ 0.6인 것을 특징으로 하는 기판 처리 방법. - 제 1 항에 있어서,
상기 양이온 에칭 단계를 상기 펄스파의 1 / 2 주기 이상에 걸쳐 계속하는 것을 특징으로 하는 기판 처리 방법. - 제 1 항에 있어서,
상기 음이온 생성 단계를 상기 펄스파의 1 / 4 주기 이상에 걸쳐 계속하는 것을 특징으로 하는 기판 처리 방법. - 제 1 항에 있어서,
상기 음이온 생성 단계를 10 ~ 30 μsec 사이에 걸쳐 계속하는 것을 특징으로 하는 기판 처리 방법. - 제 1 항 내지 제 5 항 중 어느 한 항에 있어서,
상기 양이온 에칭 단계, 상기 음이온 생성 단계 및 상기 음이온 인입 단계를 차례로 반복하는 것을 특징으로 하는 기판 처리 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010142740A JP5558224B2 (ja) | 2010-06-23 | 2010-06-23 | 基板処理方法 |
JPJP-P-2010-142740 | 2010-06-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20110139660A true KR20110139660A (ko) | 2011-12-29 |
KR101807558B1 KR101807558B1 (ko) | 2017-12-11 |
Family
ID=45352947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020110060614A Active KR101807558B1 (ko) | 2010-06-23 | 2011-06-22 | 기판 처리 방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8685267B2 (ko) |
JP (1) | JP5558224B2 (ko) |
KR (1) | KR101807558B1 (ko) |
CN (1) | CN102299068B (ko) |
TW (1) | TWI515789B (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20180018409A (ko) * | 2016-08-12 | 2018-02-21 | 도쿄엘렉트론가부시키가이샤 | 기판 처리 방법 및 기판 처리 장치 |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11978611B2 (en) | 2009-05-01 | 2024-05-07 | Advanced Energy Industries, Inc. | Apparatus with switches to produce a waveform |
US9105447B2 (en) * | 2012-08-28 | 2015-08-11 | Advanced Energy Industries, Inc. | Wide dynamic range ion energy bias control; fast ion energy switching; ion energy control and a pulsed bias supply; and a virtual front panel |
US9269587B2 (en) | 2013-09-06 | 2016-02-23 | Applied Materials, Inc. | Methods for etching materials using synchronized RF pulses |
JP6162016B2 (ja) | 2013-10-09 | 2017-07-12 | 東京エレクトロン株式会社 | プラズマ処理装置 |
JP6374647B2 (ja) | 2013-11-05 | 2018-08-15 | 東京エレクトロン株式会社 | プラズマ処理装置 |
JP6312405B2 (ja) | 2013-11-05 | 2018-04-18 | 東京エレクトロン株式会社 | プラズマ処理装置 |
JP6180890B2 (ja) * | 2013-11-08 | 2017-08-16 | 株式会社日立ハイテクノロジーズ | プラズマ処理方法 |
GB201406135D0 (en) | 2014-04-04 | 2014-05-21 | Spts Technologies Ltd | Method of etching |
KR102222902B1 (ko) | 2014-05-12 | 2021-03-05 | 삼성전자주식회사 | 플라즈마 장비 및 이를 이용한 반도체 소자의 제조 방법 |
US10115567B2 (en) | 2014-09-17 | 2018-10-30 | Tokyo Electron Limited | Plasma processing apparatus |
JP6512962B2 (ja) | 2014-09-17 | 2019-05-15 | 東京エレクトロン株式会社 | プラズマ処理装置 |
KR101700391B1 (ko) * | 2014-11-04 | 2017-02-13 | 삼성전자주식회사 | 펄스 플라즈마의 고속 광학적 진단 시스템 |
JP6449674B2 (ja) | 2015-02-23 | 2019-01-09 | 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 |
JP6643212B2 (ja) * | 2016-09-16 | 2020-02-12 | 株式会社日立ハイテクノロジーズ | プラズマ処理装置及びプラズマ処理方法 |
JP6770868B2 (ja) * | 2016-10-26 | 2020-10-21 | 東京エレクトロン株式会社 | プラズマ処理装置のインピーダンス整合のための方法 |
US10510575B2 (en) | 2017-09-20 | 2019-12-17 | Applied Materials, Inc. | Substrate support with multiple embedded electrodes |
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 |
US11114306B2 (en) | 2018-09-17 | 2021-09-07 | Applied Materials, Inc. | Methods for depositing dielectric material |
CN111146086B (zh) * | 2018-11-05 | 2024-05-03 | 东京毅力科创株式会社 | 蚀刻方法和等离子体处理装置 |
JP7481823B2 (ja) * | 2018-11-05 | 2024-05-13 | 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 |
CN118315254A (zh) | 2019-01-22 | 2024-07-09 | 应用材料公司 | 用于控制脉冲电压波形的反馈回路 |
US11508554B2 (en) | 2019-01-24 | 2022-11-22 | Applied Materials, Inc. | High voltage filter assembly |
US11545341B2 (en) | 2019-10-02 | 2023-01-03 | Samsung Electronics Co., Ltd. | Plasma etching method and semiconductor device fabrication method including the same |
US20210210355A1 (en) * | 2020-01-08 | 2021-07-08 | Tokyo Electron Limited | Methods of Plasma Processing Using a Pulsed Electron Beam |
JP7504686B2 (ja) | 2020-07-15 | 2024-06-24 | 東京エレクトロン株式会社 | プラズマ処理装置及びプラズマ処理方法 |
US11462388B2 (en) | 2020-07-31 | 2022-10-04 | Applied Materials, Inc. | Plasma processing assembly using pulsed-voltage and radio-frequency power |
US11901157B2 (en) | 2020-11-16 | 2024-02-13 | Applied Materials, Inc. | Apparatus and methods for controlling ion energy distribution |
US11798790B2 (en) | 2020-11-16 | 2023-10-24 | Applied Materials, Inc. | Apparatus and methods for controlling ion energy distribution |
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 |
US20220399193A1 (en) | 2021-06-09 | 2022-12-15 | Applied Materials, Inc. | Plasma uniformity control in pulsed dc plasma chamber |
US11984306B2 (en) | 2021-06-09 | 2024-05-14 | 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 |
US11776788B2 (en) | 2021-06-28 | 2023-10-03 | Applied Materials, Inc. | Pulsed voltage boost for substrate processing |
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 |
US20230343554A1 (en) * | 2022-04-20 | 2023-10-26 | Tokyo Electron Limited | Methods To Provide Anisotropic Etching Of Metal Hard Masks Using A Radio Frequency Modulated Pulsed Plasma Scheme |
US11972924B2 (en) | 2022-06-08 | 2024-04-30 | Applied Materials, Inc. | Pulsed voltage source for plasma processing applications |
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 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1079372A (ja) * | 1996-09-03 | 1998-03-24 | Matsushita Electric Ind Co Ltd | プラズマ処理方法及びプラズマ処理装置 |
JP2000058292A (ja) * | 1998-08-04 | 2000-02-25 | Matsushita Electron Corp | プラズマ処理装置及びプラズマ処理方法 |
KR100317915B1 (ko) * | 1999-03-22 | 2001-12-22 | 윤종용 | 플라즈마 식각 장치 |
JP2001313284A (ja) * | 2000-02-21 | 2001-11-09 | Hitachi Ltd | プラズマ処理方法および装置 |
JP2001358129A (ja) * | 2000-06-16 | 2001-12-26 | Matsushita Electric Ind Co Ltd | プラズマ処理方法及びプラズマ処理装置 |
US7435926B2 (en) * | 2004-03-31 | 2008-10-14 | Lam Research Corporation | Methods and array for creating a mathematical model of a plasma processing system |
US20080119055A1 (en) | 2006-11-21 | 2008-05-22 | Lam Research Corporation | Reducing twisting in ultra-high aspect ratio dielectric etch |
JP5514413B2 (ja) * | 2007-08-17 | 2014-06-04 | 東京エレクトロン株式会社 | プラズマエッチング方法 |
KR101510775B1 (ko) * | 2008-11-24 | 2015-04-10 | 삼성전자주식회사 | 동기식 펄스 플라즈마 에칭 장비 |
US8382999B2 (en) * | 2009-03-26 | 2013-02-26 | Applied Materials, Inc. | Pulsed plasma high aspect ratio dielectric process |
KR101286242B1 (ko) * | 2009-12-14 | 2013-07-15 | 삼성전자주식회사 | 반도체 소자 제조 방법 |
-
2010
- 2010-06-23 JP JP2010142740A patent/JP5558224B2/ja active Active
-
2011
- 2011-06-22 CN CN201110176702.1A patent/CN102299068B/zh active Active
- 2011-06-22 US US13/165,951 patent/US8685267B2/en active Active
- 2011-06-22 TW TW100121732A patent/TWI515789B/zh active
- 2011-06-22 KR KR1020110060614A patent/KR101807558B1/ko active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20180018409A (ko) * | 2016-08-12 | 2018-02-21 | 도쿄엘렉트론가부시키가이샤 | 기판 처리 방법 및 기판 처리 장치 |
Also Published As
Publication number | Publication date |
---|---|
JP2012009544A (ja) | 2012-01-12 |
KR101807558B1 (ko) | 2017-12-11 |
US8685267B2 (en) | 2014-04-01 |
CN102299068B (zh) | 2014-07-23 |
US20110318933A1 (en) | 2011-12-29 |
TWI515789B (zh) | 2016-01-01 |
CN102299068A (zh) | 2011-12-28 |
TW201216356A (en) | 2012-04-16 |
JP5558224B2 (ja) | 2014-07-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR20110139660A (ko) | 기판 처리 방법 | |
US10032611B2 (en) | Connection control method | |
JP6449674B2 (ja) | プラズマ処理方法及びプラズマ処理装置 | |
JP6498022B2 (ja) | エッチング処理方法 | |
KR102361782B1 (ko) | 에칭 방법 | |
TW201946153A (zh) | 電漿處理方法及電漿處理裝置 | |
JP2016122774A (ja) | エッチング処理方法及びエッチング処理装置 | |
US10043637B2 (en) | Plasma processing apparatus and particle adhesion preventing method | |
KR102663567B1 (ko) | 플라즈마 에칭 방법 | |
TWI721156B (zh) | 電漿處理裝置 | |
JP7045883B2 (ja) | プラズマ処理方法及びプラズマ処理装置 | |
CN118156181A (zh) | 等离子体处理装置和等离子体蚀刻装置 | |
JP2021034725A (ja) | 基板処理方法、圧力制御装置及び基板処理システム | |
JP7101096B2 (ja) | プラズマ処理方法及びプラズマ処理装置 | |
JP7632967B2 (ja) | プラズマ処理装置及びプラズマ処理方法 | |
JP2022102856A (ja) | プラズマ処理装置及びプラズマ処理方法 | |
KR20160084802A (ko) | 플라즈마 처리 방법 | |
JP2016105490A (ja) | 基板処理装置及びその制御方法 | |
KR20220000909A (ko) | 플라즈마 처리 장치 | |
JP2022117670A (ja) | プラズマ処理装置及びプラズマ処理方法 | |
JP2022114412A (ja) | 基板処理方法、部品処理方法及び基板処理装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20110622 |
|
PG1501 | Laying open of application | ||
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20160415 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 20110622 Comment text: Patent Application |
|
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20170317 Patent event code: PE09021S01D |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20170907 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20171205 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20171206 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
PR1001 | Payment of annual fee |
Payment date: 20201119 Start annual number: 4 End annual number: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20211118 Start annual number: 5 End annual number: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 20221121 Start annual number: 6 End annual number: 6 |
|
PR1001 | Payment of annual fee |
Payment date: 20231120 Start annual number: 7 End annual number: 7 |
|
PR1001 | Payment of annual fee |
Payment date: 20241121 Start annual number: 8 End annual number: 8 |