JP2018140412A - 静電チャックテーブルの使用方法 - Google Patents
静電チャックテーブルの使用方法 Download PDFInfo
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- JP2018140412A JP2018140412A JP2017035316A JP2017035316A JP2018140412A JP 2018140412 A JP2018140412 A JP 2018140412A JP 2017035316 A JP2017035316 A JP 2017035316A JP 2017035316 A JP2017035316 A JP 2017035316A JP 2018140412 A JP2018140412 A JP 2018140412A
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- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 description 14
- 239000002390 adhesive tape Substances 0.000 description 11
- 235000012431 wafers Nutrition 0.000 description 11
- 230000032258 transport Effects 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- 238000003672 processing method Methods 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 238000003384 imaging method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000002431 foraging effect Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000010897 surface acoustic wave method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- 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
- H01L21/683—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 for supporting or gripping
- H01L21/6831—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 for supporting or gripping using electrostatic chucks
- H01L21/6833—Details of electrostatic chucks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/009—Working by laser beam, e.g. welding, cutting or boring using a non-absorbing, e.g. transparent, reflective or refractive, layer on the workpiece
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/035—Aligning the laser beam
- B23K26/037—Aligning the laser beam by pressing on the workpiece, e.g. pressing roller foot
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/50—Working by transmitting the laser beam through or within the workpiece
- B23K26/53—Working by transmitting the laser beam through or within the workpiece for modifying or reforming the material inside the workpiece, e.g. for producing break initiation cracks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C99/00—Subject matter not provided for in other groups of this subclass
- B81C99/0005—Apparatus specially adapted for the manufacture or treatment of microstructural devices or systems, or methods for manufacturing the same
- B81C99/001—Apparatus specially adapted for the manufacture or treatment of microstructural devices or systems, or methods for manufacturing the same for cutting, cleaving or grinding
-
- 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
- H01L21/683—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 for supporting or gripping
- H01L21/6831—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 for supporting or gripping using electrostatic chucks
-
- 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
- H01L21/76—Making of isolation regions between components
-
- 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
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
- B23K2103/56—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26 semiconducting
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- Microelectronics & Electronic Packaging (AREA)
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- Condensed Matter Physics & Semiconductors (AREA)
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- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
- Dicing (AREA)
Abstract
Description
本発明の実施形態1に係る静電チャックテーブルの使用方法を図面に基いて説明する。図1は、実施形態1に係る静電チャックテーブルの使用方法の静電チャックテーブルに保持される被加工物を示す斜視図である。図2は、図1に示された被加工物を環状フレームで支持した状態を示す斜視図である。
(付記)
被加工物を保持して、該被加工物に透過性を有するレーザー光線を照射して、該被加工物に改質層を形成するための静電チャックテーブルであって、
該レーザー光線の波長に対し透過性を備え、第1の面と該第1の面と反対側の第2の面とを有する板状の基台部と、
該レーザー光線に対し透過性を有し該基台部の該第1の面に積層される静電吸着用の電極部と、を備え、
該第1の面に積層された該電極部に給電されて該第2の面に該被加工物を吸着した状態で、該第1の面側から該レーザー光線が照射されて該被加工物の内部に改質層を形成することを特徴とする静電チャックテーブル。
2 基台部
21 第1の面
22 第2の面
3 電極部
201 被加工物(ウエーハ)
202 表面
204 デバイス(MEMSデバイス)
205 裏面
300 レーザー光線
301 改質層
Claims (3)
- 被加工物に照射するレーザー光線の波長に対し透過性を備え、第1の面と該第1の面と反対側の第2の面とを有する板状の基台部と、該レーザー光線に対し透過性を有し該基台部の該第1の面に積層される静電吸着用の電極部と、を備える静電チャックテーブルの使用方法であって、
該第1の面に積層された該電極部に給電して、該第2の面側で被加工物を吸着保持する被加工物保持ステップと、
該電極部が積層された該第1の面側から該レーザー光線を照射し、該基台部を透過した該レーザー光線で該第2の面で吸着した該被加工物の内部に改質層を形成する改質層形成ステップと、
を備える静電チャックテーブルの使用方法。 - 該レーザー光線の波長は、500nm〜1400nmである請求項1に記載の静電チャックテーブルの使用方法。
- 該被加工物は、表面側にMEMSデバイスが形成され、裏面側が該第2の面側で保持されるウエーハである請求項1に記載の静電チャックテーブルの使用方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017035316A JP6815894B2 (ja) | 2017-02-27 | 2017-02-27 | 静電チャックテーブルの使用方法 |
CN201810144755.7A CN108511382B (zh) | 2017-02-27 | 2018-02-12 | 静电卡盘工作台的使用方法 |
KR1020180019859A KR102353196B1 (ko) | 2017-02-27 | 2018-02-20 | 정전 척 테이블의 사용 방법 |
DE102018202620.3A DE102018202620B4 (de) | 2017-02-27 | 2018-02-21 | Verwendungsverfahren für einen elektrostatischen Einspanntisch |
TW107106039A TWI744488B (zh) | 2017-02-27 | 2018-02-22 | 靜電卡盤台的使用方法 |
US15/905,126 US10410901B2 (en) | 2017-02-27 | 2018-02-26 | Electrostatic chuck table using method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017035316A JP6815894B2 (ja) | 2017-02-27 | 2017-02-27 | 静電チャックテーブルの使用方法 |
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JP2018140412A true JP2018140412A (ja) | 2018-09-13 |
JP6815894B2 JP6815894B2 (ja) | 2021-01-20 |
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JP2017035316A Active JP6815894B2 (ja) | 2017-02-27 | 2017-02-27 | 静電チャックテーブルの使用方法 |
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US (1) | US10410901B2 (ja) |
JP (1) | JP6815894B2 (ja) |
KR (1) | KR102353196B1 (ja) |
CN (1) | CN108511382B (ja) |
DE (1) | DE102018202620B4 (ja) |
TW (1) | TWI744488B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20210142381A (ko) * | 2020-05-18 | 2021-11-25 | 재단법인 구미전자정보기술원 | 유기물 패터닝 공정을 통한 투명 정전척 제조 방법 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP1605832S (ja) * | 2017-11-06 | 2018-06-04 | ||
CN109732211B (zh) * | 2019-01-31 | 2019-10-25 | 华中科技大学 | 一种电场牵引的硬脆材料超快激光热裂加工装置及方法 |
JP7417411B2 (ja) * | 2019-02-13 | 2024-01-18 | 株式会社ディスコ | 確認方法 |
WO2022146667A1 (en) * | 2020-12-29 | 2022-07-07 | Mattson Technology, Inc. | Electrostatic chuck assembly for plasma processing apparatus |
KR20220112345A (ko) * | 2021-02-03 | 2022-08-11 | 삼성디스플레이 주식회사 | 레이저 가공 장치 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006205202A (ja) * | 2005-01-27 | 2006-08-10 | Disco Abrasive Syst Ltd | レーザー加工装置 |
JP2016040836A (ja) * | 2015-10-22 | 2016-03-24 | 株式会社東京精密 | レーザダイシング装置及び方法 |
US20160358803A1 (en) * | 2015-06-04 | 2016-12-08 | Applied Materials, Inc. | Transparent electrostatic carrier |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11186371A (ja) * | 1997-12-22 | 1999-07-09 | Taiheiyo Cement Corp | 双極型静電チャック |
JP3408805B2 (ja) | 2000-09-13 | 2003-05-19 | 浜松ホトニクス株式会社 | 切断起点領域形成方法及び加工対象物切断方法 |
JP4286488B2 (ja) * | 2001-02-21 | 2009-07-01 | キヤノンマシナリー株式会社 | 基板切断方法 |
JP2004207644A (ja) * | 2002-12-26 | 2004-07-22 | Toto Ltd | 静電チャック及びこれを用いた貼合わせ基板製造装置 |
JP4476824B2 (ja) | 2005-01-25 | 2010-06-09 | 太平洋セメント株式会社 | 静電チャックおよび露光装置 |
JP2010016116A (ja) * | 2008-07-02 | 2010-01-21 | Disco Abrasive Syst Ltd | 半導体デバイスの製造方法 |
JP4945835B1 (ja) * | 2010-11-16 | 2012-06-06 | 株式会社東京精密 | レーザダイシング装置及び方法、割断装置及び方法、並びに、ウェーハ処理方法 |
US20120154974A1 (en) * | 2010-12-16 | 2012-06-21 | Applied Materials, Inc. | High efficiency electrostatic chuck assembly for semiconductor wafer processing |
JP5860219B2 (ja) | 2011-03-10 | 2016-02-16 | 株式会社ディスコ | レーザー加工装置 |
JP5829433B2 (ja) * | 2011-05-27 | 2015-12-09 | 株式会社東京精密 | レーザダイシング装置及び方法 |
JP5886603B2 (ja) * | 2011-11-11 | 2016-03-16 | 株式会社ディスコ | 光デバイスウエーハの加工方法 |
JP5918044B2 (ja) * | 2012-06-25 | 2016-05-18 | 株式会社ディスコ | 加工方法および加工装置 |
JP2014165338A (ja) | 2013-02-25 | 2014-09-08 | Disco Abrasive Syst Ltd | レーザー加工方法 |
JP6748496B2 (ja) * | 2016-06-30 | 2020-09-02 | キヤノン株式会社 | モールド、インプリント方法、インプリント装置および物品製造方法 |
JP6784527B2 (ja) * | 2016-07-12 | 2020-11-11 | 株式会社ディスコ | 静電チャックテーブル、レーザー加工装置及び被加工物の加工方法 |
-
2017
- 2017-02-27 JP JP2017035316A patent/JP6815894B2/ja active Active
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2018
- 2018-02-12 CN CN201810144755.7A patent/CN108511382B/zh active Active
- 2018-02-20 KR KR1020180019859A patent/KR102353196B1/ko active IP Right Grant
- 2018-02-21 DE DE102018202620.3A patent/DE102018202620B4/de active Active
- 2018-02-22 TW TW107106039A patent/TWI744488B/zh active
- 2018-02-26 US US15/905,126 patent/US10410901B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006205202A (ja) * | 2005-01-27 | 2006-08-10 | Disco Abrasive Syst Ltd | レーザー加工装置 |
US20160358803A1 (en) * | 2015-06-04 | 2016-12-08 | Applied Materials, Inc. | Transparent electrostatic carrier |
JP2016040836A (ja) * | 2015-10-22 | 2016-03-24 | 株式会社東京精密 | レーザダイシング装置及び方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20210142381A (ko) * | 2020-05-18 | 2021-11-25 | 재단법인 구미전자정보기술원 | 유기물 패터닝 공정을 통한 투명 정전척 제조 방법 |
KR102376754B1 (ko) | 2020-05-18 | 2022-03-18 | 재단법인 구미전자정보기술원 | 유기물 패터닝 공정을 통한 투명 정전척 제조 방법 |
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DE102018202620B4 (de) | 2022-02-17 |
JP6815894B2 (ja) | 2021-01-20 |
US10410901B2 (en) | 2019-09-10 |
KR20180099481A (ko) | 2018-09-05 |
TWI744488B (zh) | 2021-11-01 |
KR102353196B1 (ko) | 2022-01-18 |
CN108511382B (zh) | 2024-02-02 |
CN108511382A (zh) | 2018-09-07 |
DE102018202620A1 (de) | 2018-08-30 |
US20180247853A1 (en) | 2018-08-30 |
TW201832276A (zh) | 2018-09-01 |
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