KR20200079576A - 프로세스 키트 쉴드 및 그를 갖는 물리 기상 증착 챔버 - Google Patents
프로세스 키트 쉴드 및 그를 갖는 물리 기상 증착 챔버 Download PDFInfo
- Publication number
- KR20200079576A KR20200079576A KR1020207018767A KR20207018767A KR20200079576A KR 20200079576 A KR20200079576 A KR 20200079576A KR 1020207018767 A KR1020207018767 A KR 1020207018767A KR 20207018767 A KR20207018767 A KR 20207018767A KR 20200079576 A KR20200079576 A KR 20200079576A
- Authority
- KR
- South Korea
- Prior art keywords
- substrate
- process kit
- etch stop
- kit shield
- depositing
- 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.)
- Ceased
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/56—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks
- C23C14/564—Means for minimising impurities in the coating chamber such as dust, moisture, residual gases
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/04—Coating on selected surface areas, e.g. using masks
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
- C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/54—Controlling or regulating the coating process
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/58—After-treatment
- C23C14/5873—Removal of material
-
- 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
- H01J37/34—Gas-filled discharge tubes operating with cathodic sputtering
-
- 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
- H01J37/34—Gas-filled discharge tubes operating with cathodic sputtering
- H01J37/3402—Gas-filled discharge tubes operating with cathodic sputtering using supplementary magnetic fields
- H01J37/3405—Magnetron sputtering
-
- 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
- H01J37/34—Gas-filled discharge tubes operating with cathodic sputtering
- H01J37/3411—Constructional aspects of the reactor
-
- 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
- H01J37/34—Gas-filled discharge tubes operating with cathodic sputtering
- H01J37/3411—Constructional aspects of the reactor
- H01J37/3447—Collimators, shutters, apertures
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Analytical Chemistry (AREA)
- Physical Vapour Deposition (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261637606P | 2012-04-24 | 2012-04-24 | |
| US61/637,606 | 2012-04-24 | ||
| US13/860,578 | 2013-04-11 | ||
| US13/860,578 US20130277203A1 (en) | 2012-04-24 | 2013-04-11 | Process kit shield and physical vapor deposition chamber having same |
| PCT/US2013/037101 WO2013162992A1 (en) | 2012-04-24 | 2013-04-18 | Process kit shield and physical vapor deposition chamber having same |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020147032961A Division KR20150013594A (ko) | 2012-04-24 | 2013-04-18 | 프로세스 키트 쉴드 및 그를 갖는 물리 기상 증착 챔버 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20200079576A true KR20200079576A (ko) | 2020-07-03 |
Family
ID=49379103
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020207018767A Ceased KR20200079576A (ko) | 2012-04-24 | 2013-04-18 | 프로세스 키트 쉴드 및 그를 갖는 물리 기상 증착 챔버 |
| KR1020147032961A Ceased KR20150013594A (ko) | 2012-04-24 | 2013-04-18 | 프로세스 키트 쉴드 및 그를 갖는 물리 기상 증착 챔버 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020147032961A Ceased KR20150013594A (ko) | 2012-04-24 | 2013-04-18 | 프로세스 키트 쉴드 및 그를 갖는 물리 기상 증착 챔버 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US20130277203A1 (https=) |
| JP (1) | JP6238963B2 (https=) |
| KR (2) | KR20200079576A (https=) |
| CN (1) | CN104246004B (https=) |
| TW (1) | TWI616552B (https=) |
| WO (1) | WO2013162992A1 (https=) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130136864A1 (en) * | 2011-11-28 | 2013-05-30 | United Technologies Corporation | Passive termperature control of hpc rotor coating |
| JP5860063B2 (ja) * | 2011-12-22 | 2016-02-16 | キヤノンアネルバ株式会社 | 基板処理装置 |
| CN105097401B (zh) * | 2014-05-13 | 2017-06-06 | 北京北方微电子基地设备工艺研究中心有限责任公司 | 一种反应腔室及半导体加工设备 |
| CN105779932B (zh) * | 2014-12-26 | 2018-08-24 | 北京北方华创微电子装备有限公司 | 用于处理腔室的工艺内衬和物理气相沉积设备 |
| US10546733B2 (en) | 2014-12-31 | 2020-01-28 | Applied Materials, Inc. | One-piece process kit shield |
| US10100399B2 (en) * | 2015-03-31 | 2018-10-16 | Ulvac, Inc. | Cathode assembly |
| US10103012B2 (en) | 2015-09-11 | 2018-10-16 | Applied Materials, Inc. | One-piece process kit shield for reducing the impact of an electric field near the substrate |
| US9953812B2 (en) | 2015-10-06 | 2018-04-24 | Applied Materials, Inc. | Integrated process kit for a substrate processing chamber |
| SG11201804420UA (en) * | 2015-11-24 | 2018-06-28 | Applied Materials Inc | Pre-coated shield for use in vhf-rf pvd chambers |
| CN108292588B (zh) * | 2015-12-04 | 2022-02-18 | 应用材料公司 | 用以防止hdp-cvd腔室电弧放电的先进涂层方法及材料 |
| US11017984B2 (en) * | 2016-04-28 | 2021-05-25 | Applied Materials, Inc. | Ceramic coated quartz lid for processing chamber |
| US9773665B1 (en) * | 2016-12-06 | 2017-09-26 | Applied Materials, Inc. | Particle reduction in a physical vapor deposition chamber |
| US10998172B2 (en) * | 2017-09-22 | 2021-05-04 | Applied Materials, Inc. | Substrate processing chamber having improved process volume sealing |
| JP7001448B2 (ja) * | 2017-12-05 | 2022-01-19 | 東京エレクトロン株式会社 | Pvd処理方法およびpvd処理装置 |
| CN111602235B (zh) * | 2018-01-29 | 2025-03-14 | 应用材料公司 | 用于在pvd处理中减少颗粒的处理配件几何形状 |
| US10818839B2 (en) | 2018-03-15 | 2020-10-27 | Samsung Electronics Co., Ltd. | Apparatus for and method of fabricating semiconductor devices |
| US11584985B2 (en) * | 2018-08-13 | 2023-02-21 | Honeywell International Inc. | Sputter trap having a thin high purity coating layer and method of making the same |
| CN113412341B (zh) * | 2019-02-11 | 2024-11-01 | 应用材料公司 | 在脉冲式pvd中通过等离子体改性从晶片移除颗粒的方法 |
| US11289312B2 (en) | 2019-06-12 | 2022-03-29 | Applied Materials, Inc. | Physical vapor deposition (PVD) chamber with in situ chamber cleaning capability |
| KR102755075B1 (ko) * | 2019-11-15 | 2025-01-14 | 캐논 톡키 가부시키가이샤 | 성막장치 |
| KR102755070B1 (ko) * | 2019-11-20 | 2025-01-14 | 캐논 톡키 가부시키가이샤 | 성막장치 |
| CN114107931B (zh) * | 2021-11-19 | 2023-10-13 | 北京北方华创微电子装备有限公司 | 半导体腔室 |
| US12195843B2 (en) * | 2023-01-19 | 2025-01-14 | Applied Materials, Inc. | Multicathode PVD system for high aspect ratio barrier seed deposition |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5419029A (en) * | 1994-02-18 | 1995-05-30 | Applied Materials, Inc. | Temperature clamping method for anti-contamination and collimating devices for thin film processes |
| US20020090464A1 (en) * | 2000-11-28 | 2002-07-11 | Mingwei Jiang | Sputter chamber shield |
| US6613442B2 (en) * | 2000-12-29 | 2003-09-02 | Lam Research Corporation | Boron nitride/yttria composite components of semiconductor processing equipment and method of manufacturing thereof |
| KR100427842B1 (ko) * | 2001-09-21 | 2004-04-30 | 장건 | 진공증착박막코팅챔버용 실드 및 그 제조방법 |
| US7026009B2 (en) * | 2002-03-27 | 2006-04-11 | Applied Materials, Inc. | Evaluation of chamber components having textured coatings |
| US20050205415A1 (en) * | 2004-03-19 | 2005-09-22 | Belousov Igor V | Multi-component deposition |
| US7618769B2 (en) * | 2004-06-07 | 2009-11-17 | Applied Materials, Inc. | Textured chamber surface |
| JP4623055B2 (ja) * | 2007-05-23 | 2011-02-02 | 日本テキサス・インスツルメンツ株式会社 | メタル成膜装置におけるメタル膜剥離防止構造及び当該構造を用いる半導体装置の製造方法 |
| CN102007572B (zh) * | 2008-04-16 | 2013-01-16 | 应用材料公司 | 晶圆处理沉积屏蔽构件 |
| US20100055298A1 (en) * | 2008-08-28 | 2010-03-04 | Applied Materials, Inc. | Process kit shields and methods of use thereof |
| US9834840B2 (en) * | 2010-05-14 | 2017-12-05 | Applied Materials, Inc. | Process kit shield for improved particle reduction |
| KR20120021642A (ko) * | 2010-08-11 | 2012-03-09 | 주식회사 에스에프에이 | 스퍼터 장치 |
-
2013
- 2013-04-11 US US13/860,578 patent/US20130277203A1/en not_active Abandoned
- 2013-04-18 KR KR1020207018767A patent/KR20200079576A/ko not_active Ceased
- 2013-04-18 CN CN201380021330.2A patent/CN104246004B/zh active Active
- 2013-04-18 JP JP2015509032A patent/JP6238963B2/ja active Active
- 2013-04-18 KR KR1020147032961A patent/KR20150013594A/ko not_active Ceased
- 2013-04-18 WO PCT/US2013/037101 patent/WO2013162992A1/en not_active Ceased
- 2013-04-19 TW TW102114051A patent/TWI616552B/zh active
-
2016
- 2016-12-14 US US15/378,402 patent/US20170088942A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013162992A1 (en) | 2013-10-31 |
| CN104246004B (zh) | 2017-05-03 |
| TW201346055A (zh) | 2013-11-16 |
| CN104246004A (zh) | 2014-12-24 |
| TWI616552B (zh) | 2018-03-01 |
| US20130277203A1 (en) | 2013-10-24 |
| JP6238963B2 (ja) | 2017-11-29 |
| JP2015515551A (ja) | 2015-05-28 |
| KR20150013594A (ko) | 2015-02-05 |
| US20170088942A1 (en) | 2017-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6238963B2 (ja) | プロセスキットシールドおよびプロセスキットシールドを有する物理的気相堆積チャンバ | |
| JP5931055B2 (ja) | 基板を処理する装置及び当該装置に含まれるプロセスキットシールド | |
| US20170145553A1 (en) | Pre-coated shield using in vhf-rf pvd chambers | |
| KR20130093612A (ko) | 고 종횡비 피처들에서 금속을 증착하는 방법 | |
| WO2016018505A1 (en) | Magnetron assembly for physical vapor deposition chamber | |
| TWI682048B (zh) | 用於物理氣相沉積介電質沉積的設備 | |
| KR20170044188A (ko) | 타겟 수명에 걸쳐서 낮은 불-균일성을 유지하기 위한 방법들 및 장치 | |
| KR102131218B1 (ko) | 플라즈마제한 갭을 갖는 프로세스 키트 | |
| WO2013148564A1 (en) | Substrate support with radio frequency (rf) return path | |
| WO2016099804A1 (en) | Particle reduction in a deposition chamber using thermal expansion coefficient compatible coating | |
| US8835308B2 (en) | Methods for depositing materials in high aspect ratio features | |
| KR20220046654A (ko) | 물리 기상 증착(pvd) 유전체 증착을 위한 방법들 및 장치 | |
| US11024490B2 (en) | Magnetron having enhanced target cooling configuration | |
| US9960023B2 (en) | Methods and apparatus for nodule control in a titanium-tungsten target |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A107 | Divisional application of patent | ||
| PA0104 | Divisional application for international application |
Comment text: Divisional Application for International Patent Patent event code: PA01041R01D Patent event date: 20200629 Application number text: 1020147032961 Filing date: 20141124 |
|
| AMND | Amendment | ||
| PG1501 | Laying open of application | ||
| A201 | Request for examination | ||
| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20200728 Comment text: Request for Examination of Application |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20200901 Patent event code: PE09021S01D |
|
| AMND | Amendment | ||
| E601 | Decision to refuse application | ||
| PE0601 | Decision on rejection of patent |
Patent event date: 20201201 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20200901 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |
|
| X091 | Application refused [patent] | ||
| AMND | Amendment | ||
| PX0901 | Re-examination |
Patent event code: PX09011S01I Patent event date: 20201201 Comment text: Decision to Refuse Application Patent event code: PX09012R01I Patent event date: 20201102 Comment text: Amendment to Specification, etc. Patent event code: PX09012R01I Patent event date: 20200630 Comment text: Amendment to Specification, etc. |
|
| PX0601 | Decision of rejection after re-examination |
Comment text: Decision to Refuse Application Patent event code: PX06014S01D Patent event date: 20210113 Comment text: Amendment to Specification, etc. Patent event code: PX06012R01I Patent event date: 20201231 Comment text: Decision to Refuse Application Patent event code: PX06011S01I Patent event date: 20201201 Comment text: Amendment to Specification, etc. Patent event code: PX06012R01I Patent event date: 20201102 Comment text: Notification of reason for refusal Patent event code: PX06013S01I Patent event date: 20200901 Comment text: Amendment to Specification, etc. Patent event code: PX06012R01I Patent event date: 20200630 |
|
| X601 | Decision of rejection after re-examination |