JP6823662B2 - 電子チップへの接続部を製造する方法 - Google Patents
電子チップへの接続部を製造する方法 Download PDFInfo
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- JP6823662B2 JP6823662B2 JP2018541421A JP2018541421A JP6823662B2 JP 6823662 B2 JP6823662 B2 JP 6823662B2 JP 2018541421 A JP2018541421 A JP 2018541421A JP 2018541421 A JP2018541421 A JP 2018541421A JP 6823662 B2 JP6823662 B2 JP 6823662B2
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- 238000000034 method Methods 0.000 claims description 55
- 238000005530 etching Methods 0.000 claims description 22
- 229910052751 metal Inorganic materials 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 21
- 230000008569 process Effects 0.000 claims description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 7
- 238000000137 annealing Methods 0.000 claims description 7
- 239000001257 hydrogen Substances 0.000 claims description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 6
- 150000002366 halogen compounds Chemical class 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 3
- 150000002222 fluorine compounds Chemical class 0.000 claims description 2
- 210000002381 plasma Anatomy 0.000 description 17
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 14
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 7
- 229910010271 silicon carbide Inorganic materials 0.000 description 7
- 239000003570 air Substances 0.000 description 6
- 239000011810 insulating material Substances 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 6
- 230000007547 defect Effects 0.000 description 4
- 239000012212 insulator Substances 0.000 description 4
- 238000005498 polishing Methods 0.000 description 4
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 150000001350 alkyl halides Chemical class 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 229910000449 hafnium oxide Inorganic materials 0.000 description 1
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical class [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 1
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76802—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics
- H01L21/76814—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics post-treatment or after-treatment, e.g. cleaning or removal of oxides on underlying conductors
-
- 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
- H01L21/02041—Cleaning
- H01L21/02057—Cleaning during device manufacture
- H01L21/0206—Cleaning during device manufacture during, before or after processing of insulating layers
- H01L21/02063—Cleaning during device manufacture during, before or after processing of insulating layers the processing being the formation of vias or contact holes
-
- 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
- H01L21/31116—Etching inorganic layers by chemical means by dry-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
- H01L21/31—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
- H01L21/31144—Etching the insulating layers by chemical or physical means using masks
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76829—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Description
a) SiCN、SiOCH 及び酸化珪素から夫々形成された絶縁層7, 9, 11を、ウエハ1 の表面と面一に接点3 を有するウエハ1 の前記表面に順次的に成膜し、その後、TiN 層13を成膜し、
b) TiN 層13に開口部をエッチングし、
c) 絶縁層7, 9, 11をHFC プラズマでエッチングする。
− トラックの構成に応じて窒化チタン層13に開口部をエッチングする工程、及び
− これらの開口部から酸化珪素層11をエッチングして、その後、絶縁層9 の厚さの一部をエッチングする工程
を追加することにより、導電性接続部30を結合するトラックを形成してもよい。ここでエッチングをHFC プラズマによって行ってもよい。その後、図2Bに示されている工程中にトラックを接続部と同時的に形成してもよい。
Claims (12)
- 電子チップの導電性接続部(30)を製造する方法であって、
a) 絶縁層(7, 9)をウエハの表面に成膜する工程、
b) 前記絶縁層を覆う少なくとも1つの金属から構成されて第1の開口部(15)を有する層(13)を形成する工程、
c) 少なくとも1つのハロゲン化合物から構成されたプラズマを用いたエッチングによって、前記絶縁層(7, 9)に前記第1の開口部と一列に第2の開口部(17)をエッチングする工程、
d) 工程c)の後に得られた構造体によって形成された組立体を酸素、又は水素及び窒素の混合物、又はメタン及び窒素の混合物に曝す工程、
e) 前記組立体を真空中でアニールする工程、及び
f) 工程e)の後、前記導電性接続部を前記第2の開口部に形成する工程
を順次的に有することを特徴とする方法。 - 工程d)を、1.3 Paを超える圧力で行うことを特徴とする請求項1に記載の方法。
- 工程d)の時間は5秒より長いことを特徴とする請求項1又は2に記載の方法。
- 工程e)で、前記組立体を100 ℃より高い温度でアニールすることを特徴とする請求項1〜3のいずれか一項に記載の方法。
- 工程e)で、前記組立体を300 Paより低い圧力下でアニールすることを特徴とする請求項1〜4のいずれか一項に記載の方法。
- 工程e)で、水素及び/又は不活性ガスを含むガスの存在下で前記組立体をアニールすることを特徴とする請求項1〜5のいずれか一項に記載の方法。
- 工程e)で1分〜10分の間、前記組立体をアニールすることを特徴とする請求項1〜6のいずれか一項に記載の方法。
- 前記ハロゲン化合物はフッ素化合物であり、少なくとも1つの金属から構成された前記層は、少なくとも50質量%のチタンを含む層であることを特徴とする請求項1〜7のいずれか一項に記載の方法。
- 前記絶縁層(9) はSiOCH 層であり、工程e)で前記組立体を300 ℃より低い温度でアニールすることを特徴とする請求項1〜8のいずれか一項に記載の方法。
- 前記SiOCH 層(9) は多孔性であり、20%〜50%の範囲内の多孔度を有することを特徴とする請求項9に記載の方法。
- 前記絶縁層(9) を酸化珪素から形成することを特徴とする請求項1〜8のいずれか一項に記載の方法。
- 工程c)、工程d)及び工程e)を同一の反応器で行うことを特徴とする請求項1〜8のいずれか一項に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1650994A FR3047605B1 (fr) | 2016-02-09 | 2016-02-09 | Procede de realisation de connexions d'une puce electronique |
FR1650994 | 2016-02-09 | ||
PCT/FR2017/050260 WO2017137682A1 (fr) | 2016-02-09 | 2017-02-03 | Procede de realisation de connexions d'une puce electronique |
Publications (2)
Publication Number | Publication Date |
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JP2019506750A JP2019506750A (ja) | 2019-03-07 |
JP6823662B2 true JP6823662B2 (ja) | 2021-02-03 |
Family
ID=56008694
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2018541421A Active JP6823662B2 (ja) | 2016-02-09 | 2017-02-03 | 電子チップへの接続部を製造する方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10381264B2 (ja) |
EP (1) | EP3414775B1 (ja) |
JP (1) | JP6823662B2 (ja) |
FR (1) | FR3047605B1 (ja) |
WO (1) | WO2017137682A1 (ja) |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3270196B2 (ja) * | 1993-06-11 | 2002-04-02 | 川崎マイクロエレクトロニクス株式会社 | 薄膜形成方法 |
JP4237008B2 (ja) * | 2003-07-17 | 2009-03-11 | Necエレクトロニクス株式会社 | 半導体装置の製造方法 |
US7628866B2 (en) * | 2006-11-23 | 2009-12-08 | United Microelectronics Corp. | Method of cleaning wafer after etching process |
US7977244B2 (en) * | 2006-12-18 | 2011-07-12 | United Microelectronics Corp. | Semiconductor manufacturing process |
US7500397B2 (en) * | 2007-02-15 | 2009-03-10 | Air Products And Chemicals, Inc. | Activated chemical process for enhancing material properties of dielectric films |
FR2941560A1 (fr) * | 2009-01-28 | 2010-07-30 | Commissariat Energie Atomique | Procede pour empecher la formation de residus sur une couche a base d'un metal apres exposition de cette couche a un plasma contenant du fluor |
JP2011040563A (ja) * | 2009-08-11 | 2011-02-24 | Tokyo Electron Ltd | 基板の処理方法及び基板の処理装置 |
US8062972B2 (en) * | 2009-08-26 | 2011-11-22 | United Microelectronics Corp. | Semiconductor process |
JP5498808B2 (ja) * | 2010-01-28 | 2014-05-21 | ルネサスエレクトロニクス株式会社 | 半導体装置の製造方法 |
DE102010040071B4 (de) * | 2010-08-31 | 2013-02-07 | GLOBALFOUNDRIES Dresden Module One Ltd. Liability Company & Co. KG | Verfahren zur Wiederherstellung von Oberflächeneigenschaften empfindlicher Dielektrika mit kleinem ε in Mikrostrukturbauelementen unter Anwendung einer in-situ-Oberflächenmodifizierung |
JP2017059750A (ja) * | 2015-09-18 | 2017-03-23 | 東京エレクトロン株式会社 | 被処理体を処理する方法 |
-
2016
- 2016-02-09 FR FR1650994A patent/FR3047605B1/fr not_active Expired - Fee Related
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2017
- 2017-02-03 EP EP17707380.6A patent/EP3414775B1/fr active Active
- 2017-02-03 JP JP2018541421A patent/JP6823662B2/ja active Active
- 2017-02-03 WO PCT/FR2017/050260 patent/WO2017137682A1/fr active Application Filing
- 2017-02-03 US US16/075,530 patent/US10381264B2/en active Active
Also Published As
Publication number | Publication date |
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EP3414775B1 (fr) | 2019-09-11 |
US20190043755A1 (en) | 2019-02-07 |
EP3414775A1 (fr) | 2018-12-19 |
FR3047605B1 (fr) | 2018-03-02 |
JP2019506750A (ja) | 2019-03-07 |
FR3047605A1 (fr) | 2017-08-11 |
US10381264B2 (en) | 2019-08-13 |
WO2017137682A1 (fr) | 2017-08-17 |
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