JP6824577B2 - ウェーハの加工方法 - Google Patents
ウェーハの加工方法 Download PDFInfo
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- JP6824577B2 JP6824577B2 JP2016230792A JP2016230792A JP6824577B2 JP 6824577 B2 JP6824577 B2 JP 6824577B2 JP 2016230792 A JP2016230792 A JP 2016230792A JP 2016230792 A JP2016230792 A JP 2016230792A JP 6824577 B2 JP6824577 B2 JP 6824577B2
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- Prior art keywords
- wafer
- modified layer
- silicon wafer
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- modified
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Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P34/00—Irradiation with electromagnetic or particle radiation of wafers, substrates or parts of devices
- H10P34/40—Irradiation with electromagnetic or particle radiation of wafers, substrates or parts of devices with high-energy radiation
- H10P34/42—Irradiation with electromagnetic or particle radiation of wafers, substrates or parts of devices with high-energy radiation with electromagnetic radiation, e.g. laser annealing
-
- 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
- B23K26/0006—Working by laser beam, e.g. welding, cutting or boring taking account of the properties of the material involved
-
- 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
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/22—Single-purpose machines or devices for particular grinding operations not covered by any other main group characterised by a special design with respect to properties of the material of non-metallic articles to be ground
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
- B24B57/02—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P52/00—Grinding, lapping or polishing of wafers, substrates or parts of devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P54/00—Cutting or separating of wafers, substrates or parts of devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P72/00—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof
- H10P72/70—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for supporting or gripping
- H10P72/74—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for supporting or gripping using temporarily an auxiliary support
- H10P72/7402—Wafer tapes, e.g. grinding or dicing support tapes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W10/00—Isolation regions in semiconductor bodies between components of integrated devices
- H10W10/01—Manufacture or treatment
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W42/00—Arrangements for protection of devices
- H10W42/121—Arrangements for protection of devices protecting against mechanical damage
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W46/00—Marks applied to devices, e.g. for alignment or identification
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
- B23K2101/40—Semiconductor 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 materials other than metals or composite materials
- B23K2103/56—Inorganic materials other than metals or composite materials being semiconducting
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P72/00—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof
- H10P72/04—Apparatus for manufacture or treatment
- H10P72/0428—Apparatus for mechanical treatment or grinding or cutting
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P72/00—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof
- H10P72/70—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for supporting or gripping
- H10P72/74—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for supporting or gripping using temporarily an auxiliary support
- H10P72/7416—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for supporting or gripping using temporarily an auxiliary support used during dicing or grinding
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P72/00—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof
- H10P72/70—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for supporting or gripping
- H10P72/74—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for supporting or gripping using temporarily an auxiliary support
- H10P72/7422—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for supporting or gripping using temporarily an auxiliary support used to protect an active side of a device or wafer
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W46/00—Marks applied to devices, e.g. for alignment or identification
- H10W46/501—Marks applied to devices, e.g. for alignment or identification for use before dicing
- H10W46/503—Located in scribe lines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Dicing (AREA)
- Laser Beam Processing (AREA)
- Electromagnetism (AREA)
Description
ウェーハの材質:シリコン(結晶)
ウェーハの厚み:100μm〜700μm
レーザビームの波長:1064nm又は1342nm
レーザビームの出力:1W〜1.5W
レーザビームの繰り返し周波数:90kHz〜100kHz
レーザビームのスポット直径:1μm〜2.5μm
チャックテーブルの移動速度(送り速度):100mm/s〜800mm/s
11a 表面(主面)
11b 裏面(主面)
11c クラック
13 ストリート(分割予定ライン)
15 デバイス
17a 第1改質層
17b 第2改質層
17c 第3改質層
21 保護部材
21a 表面
21b 裏面
2 レーザ加工装置
4 チャックテーブル
4a 保持面
6 レーザ照射ユニット
12 研削装置
14 チャックテーブル
14a 保持面
16 研削ユニット
18 スピンドル
20 マウント
22 研削ホイール
24 ホイール基台
26 研削砥石
D1,D2 劈開方向
L レーザビーム
P1 第1の深さの位置
P2 第2の深さの位置
Claims (2)
- (100)面を主面とし、劈開方向に対して45°傾いた複数のストリートを有するシリコンウェーハを該ストリートに沿って複数のチップへと分割するウェーハの加工方法であって、
該シリコンウェーハに対して透過性を有する波長のレーザビームの集光点を該シリコンウェーハの内部に位置づけるとともに該レーザビームを該ストリートに沿って照射して該シリコンウェーハの厚み方向に重なる複数の改質層を該ストリートに沿って該シリコンウェーハの内部に形成するレーザ加工ステップと、
該改質層に沿って該シリコンウェーハを複数の該チップへと分割する分割ステップと、を含み、
該レーザ加工ステップでは、劈開方向に対して平行な複数のストリートを有する点を除いて該シリコンウェーハと同等の構成のウェーハを該シリコンウェーハと同等の方法で分割する場合に該ウェーハの厚み方向に重ねて形成される改質層の数をn層(nは自然数)として、該ウェーハに改質層を形成する場合と同等の条件でm層(mはn・√2以上の整数)の該改質層を該シリコンウェーハの厚み方向に重ねて形成することを特徴とするウェーハの加工方法。 - 該レーザ加工ステップでは、m層の該改質層を該シリコンウェーハの厚み方向に同等の間隔で形成する請求項1に記載のウェーハの加工方法。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016230792A JP6824577B2 (ja) | 2016-11-29 | 2016-11-29 | ウェーハの加工方法 |
| TW106134892A TWI732959B (zh) | 2016-11-29 | 2017-10-12 | 晶圓的加工方法 |
| MYPI2017704273A MY190870A (en) | 2016-11-29 | 2017-11-09 | Wafer processing method |
| CN201711120722.0A CN108115295A (zh) | 2016-11-29 | 2017-11-14 | 晶片的加工方法 |
| KR1020170158379A KR20180061019A (ko) | 2016-11-29 | 2017-11-24 | 웨이퍼의 가공 방법 |
| US15/824,365 US10586704B2 (en) | 2016-11-29 | 2017-11-28 | Wafer processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016230792A JP6824577B2 (ja) | 2016-11-29 | 2016-11-29 | ウェーハの加工方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2018088474A JP2018088474A (ja) | 2018-06-07 |
| JP6824577B2 true JP6824577B2 (ja) | 2021-02-03 |
Family
ID=62191046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016230792A Active JP6824577B2 (ja) | 2016-11-29 | 2016-11-29 | ウェーハの加工方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10586704B2 (ja) |
| JP (1) | JP6824577B2 (ja) |
| KR (1) | KR20180061019A (ja) |
| CN (1) | CN108115295A (ja) |
| MY (1) | MY190870A (ja) |
| TW (1) | TWI732959B (ja) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6821245B2 (ja) * | 2016-10-11 | 2021-01-27 | 株式会社ディスコ | ウェーハの加工方法 |
| WO2020090893A1 (ja) * | 2018-10-30 | 2020-05-07 | 浜松ホトニクス株式会社 | レーザ加工方法 |
| JP7764189B2 (ja) * | 2021-10-15 | 2025-11-05 | 株式会社ディスコ | 単結晶シリコン基板の製造方法 |
| JP7772560B2 (ja) * | 2021-11-11 | 2025-11-18 | 株式会社ディスコ | 加工方法 |
| US12412771B2 (en) | 2022-06-01 | 2025-09-09 | Micron Technology, Inc. | Methods of detecting process deviations during microelectronic device fabrication and associated tapes and components |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP2004111428A (ja) | 2002-09-13 | 2004-04-08 | Tokyo Seimitsu Co Ltd | チップ製造方法 |
| JP4408361B2 (ja) * | 2003-09-26 | 2010-02-03 | 株式会社ディスコ | ウエーハの分割方法 |
| US7183137B2 (en) * | 2003-12-01 | 2007-02-27 | Taiwan Semiconductor Manufacturing Company | Method for dicing semiconductor wafers |
| KR101190454B1 (ko) * | 2004-08-06 | 2012-10-11 | 하마마츠 포토닉스 가부시키가이샤 | 레이저 가공 장치 |
| JP5595716B2 (ja) * | 2009-11-18 | 2014-09-24 | 株式会社ディスコ | 光デバイスウエーハの加工方法 |
| JP5614739B2 (ja) * | 2010-02-18 | 2014-10-29 | 国立大学法人埼玉大学 | 基板内部加工装置および基板内部加工方法 |
| JP5992731B2 (ja) * | 2012-06-07 | 2016-09-14 | 株式会社ディスコ | ウエーハの加工方法 |
| JP6455166B2 (ja) * | 2015-01-16 | 2019-01-23 | 富士電機株式会社 | 半導体ウエハおよび半導体チップの製造方法 |
| JP6452490B2 (ja) * | 2015-02-25 | 2019-01-16 | キヤノン株式会社 | 半導体チップの生成方法 |
-
2016
- 2016-11-29 JP JP2016230792A patent/JP6824577B2/ja active Active
-
2017
- 2017-10-12 TW TW106134892A patent/TWI732959B/zh active
- 2017-11-09 MY MYPI2017704273A patent/MY190870A/en unknown
- 2017-11-14 CN CN201711120722.0A patent/CN108115295A/zh active Pending
- 2017-11-24 KR KR1020170158379A patent/KR20180061019A/ko not_active Ceased
- 2017-11-28 US US15/824,365 patent/US10586704B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US10586704B2 (en) | 2020-03-10 |
| US20180151370A1 (en) | 2018-05-31 |
| KR20180061019A (ko) | 2018-06-07 |
| JP2018088474A (ja) | 2018-06-07 |
| MY190870A (en) | 2022-05-13 |
| TWI732959B (zh) | 2021-07-11 |
| CN108115295A (zh) | 2018-06-05 |
| TW201819088A (zh) | 2018-06-01 |
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