JP6917868B2 - 基板処理方法および基板処理装置 - Google Patents
基板処理方法および基板処理装置 Download PDFInfo
- Publication number
- JP6917868B2 JP6917868B2 JP2017220075A JP2017220075A JP6917868B2 JP 6917868 B2 JP6917868 B2 JP 6917868B2 JP 2017220075 A JP2017220075 A JP 2017220075A JP 2017220075 A JP2017220075 A JP 2017220075A JP 6917868 B2 JP6917868 B2 JP 6917868B2
- Authority
- JP
- Japan
- Prior art keywords
- phosphoric acid
- aqueous solution
- acid aqueous
- tank
- substrate
- 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
- 238000012545 processing Methods 0.000 title claims description 140
- 238000003672 processing method Methods 0.000 title claims description 24
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 1548
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 774
- 239000007864 aqueous solution Substances 0.000 claims description 558
- 239000000758 substrate Substances 0.000 claims description 375
- 229910052710 silicon Inorganic materials 0.000 claims description 341
- 239000010703 silicon Substances 0.000 claims description 341
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 340
- 239000007788 liquid Substances 0.000 claims description 304
- 238000011084 recovery Methods 0.000 claims description 268
- 239000000243 solution Substances 0.000 claims description 97
- 238000011282 treatment Methods 0.000 claims description 52
- 238000000034 method Methods 0.000 claims description 39
- 238000002360 preparation method Methods 0.000 claims description 31
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 23
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 23
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 15
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 15
- 229910019142 PO4 Inorganic materials 0.000 claims description 12
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 12
- 239000010452 phosphate Substances 0.000 claims description 12
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052698 phosphorus Inorganic materials 0.000 claims description 8
- 239000011574 phosphorus Substances 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 3
- 238000013329 compounding Methods 0.000 claims description 3
- 239000011550 stock solution Substances 0.000 description 88
- 238000002156 mixing Methods 0.000 description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 20
- 239000012141 concentrate Substances 0.000 description 15
- 238000003860 storage Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 10
- 238000005530 etching Methods 0.000 description 8
- 230000001965 increasing effect Effects 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 7
- 230000003028 elevating effect Effects 0.000 description 6
- 238000011144 upstream manufacturing Methods 0.000 description 6
- 238000007599 discharging Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 238000010828 elution Methods 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 239000012487 rinsing solution Substances 0.000 description 3
- 235000012431 wafers Nutrition 0.000 description 3
- 239000011260 aqueous acid Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 150000003377 silicon compounds Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- DKAGJZJALZXOOV-UHFFFAOYSA-N hydrate;hydrochloride Chemical compound O.Cl DKAGJZJALZXOOV-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000015654 memory Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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
- H01L21/02—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
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K13/00—Etching, surface-brightening or pickling compositions
- C09K13/04—Etching, surface-brightening or pickling compositions containing an inorganic acid
-
- 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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02164—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material being a silicon oxide, e.g. SiO2
-
- 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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/0217—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material being a silicon nitride not containing oxygen, e.g. SixNy or SixByNz
-
- 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
-
- 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
- H01L21/67017—Apparatus for fluid treatment
- H01L21/67063—Apparatus for fluid treatment for etching
- H01L21/67075—Apparatus for fluid treatment for etching for wet etching
- H01L21/6708—Apparatus for fluid treatment for etching for wet etching using mainly spraying means, e.g. nozzles
-
- 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
- H01L21/67242—Apparatus for monitoring, sorting or marking
- H01L21/67253—Process monitoring, e.g. flow or thickness monitoring
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Weting (AREA)
- Cleaning Or Drying Semiconductors (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017220075A JP6917868B2 (ja) | 2017-11-15 | 2017-11-15 | 基板処理方法および基板処理装置 |
CN201880073324.4A CN111344839A (zh) | 2017-11-15 | 2018-10-09 | 衬底处理方法及衬底处理装置 |
KR1020207013563A KR102483802B1 (ko) | 2017-11-15 | 2018-10-09 | 기판 처리 방법 및 기판 처리 장치 |
PCT/JP2018/037581 WO2019097901A1 (ja) | 2017-11-15 | 2018-10-09 | 基板処理方法および基板処理装置 |
TW107137207A TWI701086B (zh) | 2017-11-15 | 2018-10-22 | 基板處理方法及基板處理裝置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017220075A JP6917868B2 (ja) | 2017-11-15 | 2017-11-15 | 基板処理方法および基板処理装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2019091815A JP2019091815A (ja) | 2019-06-13 |
JP2019091815A5 JP2019091815A5 (zh) | 2020-12-10 |
JP6917868B2 true JP6917868B2 (ja) | 2021-08-11 |
Family
ID=66539458
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017220075A Active JP6917868B2 (ja) | 2017-11-15 | 2017-11-15 | 基板処理方法および基板処理装置 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP6917868B2 (zh) |
KR (1) | KR102483802B1 (zh) |
CN (1) | CN111344839A (zh) |
TW (1) | TWI701086B (zh) |
WO (1) | WO2019097901A1 (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6952860B2 (ja) * | 2019-03-29 | 2021-10-27 | 東京エレクトロン株式会社 | 基板処理装置、および基板処理方法 |
JP6843173B2 (ja) * | 2019-03-29 | 2021-03-17 | 東京エレクトロン株式会社 | 基板処理装置、および基板処理方法 |
JP7467051B2 (ja) * | 2019-09-13 | 2024-04-15 | 株式会社Screenホールディングス | 基板処理装置、基板処理方法、及び、半導体製造方法 |
JP7312656B2 (ja) * | 2019-09-24 | 2023-07-21 | 株式会社Screenホールディングス | 基板処理装置 |
KR102670179B1 (ko) * | 2020-09-09 | 2024-05-28 | 가부시키가이샤 스크린 홀딩스 | 기판 처리 방법, 및 기판 처리 장치 |
JP2022148186A (ja) * | 2021-03-24 | 2022-10-06 | 株式会社Screenホールディングス | 基板処理装置および配管着脱パーツ洗浄方法 |
JP7364641B2 (ja) * | 2021-10-27 | 2023-10-18 | 三益半導体工業株式会社 | スピンエッチング装置用ポンプフィルターの再生システム及び再生方法 |
KR102449897B1 (ko) * | 2022-01-14 | 2022-09-30 | 삼성전자주식회사 | 습식 식각 방법 및 이를 이용한 반도체 소자 제조 방법. |
KR20230157596A (ko) | 2022-05-10 | 2023-11-17 | 세메스 주식회사 | 기판처리장치 및 기판처리방법 |
KR20240065582A (ko) * | 2022-11-03 | 2024-05-14 | 주식회사 제우스 | 기판 식각 방법 및 기판 식각 장치 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09129588A (ja) * | 1995-10-31 | 1997-05-16 | Fujitsu Ltd | エッチング液の濃度管理方法及びエッチング装置 |
JPH09275091A (ja) * | 1996-04-03 | 1997-10-21 | Mitsubishi Electric Corp | 半導体窒化膜エッチング装置 |
JPH11300190A (ja) * | 1998-04-27 | 1999-11-02 | Sony Corp | 半導体製造用薬液調合装置 |
JP3788985B2 (ja) * | 2002-09-17 | 2006-06-21 | エム・エフエスアイ株式会社 | エッチング液の再生方法、エッチング方法およびエッチング装置 |
US8409997B2 (en) * | 2007-01-25 | 2013-04-02 | Taiwan Semiconductor Maufacturing Co., Ltd. | Apparatus and method for controlling silicon nitride etching tank |
JP5931484B2 (ja) * | 2012-02-13 | 2016-06-08 | 株式会社Screenホールディングス | 基板処理方法および基板処理装置 |
JP6502633B2 (ja) * | 2013-09-30 | 2019-04-17 | 芝浦メカトロニクス株式会社 | 基板処理方法及び基板処理装置 |
JP6324775B2 (ja) | 2014-03-17 | 2018-05-16 | 株式会社Screenホールディングス | 基板処理装置および基板処理装置を用いた基板処理方法 |
JP6320868B2 (ja) * | 2014-07-29 | 2018-05-09 | 株式会社Screenホールディングス | 基板処理装置および基板処理方法 |
JP6320869B2 (ja) * | 2014-07-29 | 2018-05-09 | 株式会社Screenホールディングス | 基板処理装置および基板処理方法 |
KR101671118B1 (ko) * | 2014-07-29 | 2016-10-31 | 가부시키가이샤 스크린 홀딩스 | 기판 처리 장치 및 기판 처리 방법 |
JP6499414B2 (ja) * | 2014-09-30 | 2019-04-10 | 株式会社Screenホールディングス | 基板処理装置 |
CN108140572B (zh) * | 2015-09-30 | 2022-12-30 | 芝浦机械电子株式会社 | 基板处理装置及基板处理方法 |
-
2017
- 2017-11-15 JP JP2017220075A patent/JP6917868B2/ja active Active
-
2018
- 2018-10-09 CN CN201880073324.4A patent/CN111344839A/zh active Pending
- 2018-10-09 WO PCT/JP2018/037581 patent/WO2019097901A1/ja active Application Filing
- 2018-10-09 KR KR1020207013563A patent/KR102483802B1/ko active IP Right Grant
- 2018-10-22 TW TW107137207A patent/TWI701086B/zh active
Also Published As
Publication number | Publication date |
---|---|
WO2019097901A1 (ja) | 2019-05-23 |
TW201936274A (zh) | 2019-09-16 |
JP2019091815A (ja) | 2019-06-13 |
CN111344839A (zh) | 2020-06-26 |
TWI701086B (zh) | 2020-08-11 |
KR20200062327A (ko) | 2020-06-03 |
KR102483802B1 (ko) | 2022-12-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6917868B2 (ja) | 基板処理方法および基板処理装置 | |
KR102502045B1 (ko) | 기판 처리 장치 | |
KR102432448B1 (ko) | 기판 처리 장치 및 처리액 공급 방법 | |
JP5173500B2 (ja) | 処理液供給装置およびそれを備えた基板処理装置 | |
US9027573B2 (en) | Substrate processing apparatus for maintaining a more uniform temperature during substrate processing | |
KR102525270B1 (ko) | 기판 처리 장치 및 기판 처리 방법 | |
KR102391794B1 (ko) | 기판 처리 장치 | |
US8372299B2 (en) | Substrate treating apparatus and substrate treating method | |
KR20120033250A (ko) | 기판처리장치 및 기판처리방법 | |
US11433420B2 (en) | Solution supply apparatus and solution supply method | |
US10120394B2 (en) | Processing liquid supply device, processing liquid supply method, and storage medium | |
US11569086B2 (en) | Substrate processing apparatus and substrate processing method | |
US10458010B2 (en) | Substrate liquid processing apparatus, substrate liquid processing method, and storage medium | |
US20210111043A1 (en) | Liquid supply device and liquid supply method | |
US10854469B2 (en) | Substrate processing method and substrate processing apparatus | |
US20190004427A1 (en) | Substrate processing apparatus and substrate processing method | |
JP6407764B2 (ja) | 基板処理システム、基板処理システムの制御方法、及び記憶媒体 | |
JP7126927B2 (ja) | 基板処理装置および基板処理方法 | |
JP7203975B2 (ja) | 基板処理システム及び処理液調製方法 | |
JP7412990B2 (ja) | 基板処理装置、および基板処理方法 | |
JP7202229B2 (ja) | 基板処理装置および基板処理方法 | |
JP7376424B2 (ja) | 基板処理用の処理液の交換方法および基板処理装置 | |
JP2023096517A (ja) | 基板処理装置および処理液の交換方法 | |
JP2021057590A (ja) | 基板処理装置及び処理液供給方法 | |
KR20230034458A (ko) | 기판 처리 장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20200622 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20201030 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20210218 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20210415 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20210618 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20210701 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20210720 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6917868 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |