JP7398988B2 - スパッタ装置 - Google Patents
スパッタ装置 Download PDFInfo
- Publication number
- JP7398988B2 JP7398988B2 JP2020044361A JP2020044361A JP7398988B2 JP 7398988 B2 JP7398988 B2 JP 7398988B2 JP 2020044361 A JP2020044361 A JP 2020044361A JP 2020044361 A JP2020044361 A JP 2020044361A JP 7398988 B2 JP7398988 B2 JP 7398988B2
- Authority
- JP
- Japan
- Prior art keywords
- substrate
- sputtering apparatus
- base portion
- base
- wafer holder
- 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
- 238000004544 sputter deposition Methods 0.000 title claims description 37
- 239000000758 substrate Substances 0.000 claims description 77
- 239000006249 magnetic particle Substances 0.000 claims description 9
- 239000002245 particle Substances 0.000 description 43
- 238000010586 diagram Methods 0.000 description 7
- 230000004048 modification Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 6
- 230000003028 elevating effect Effects 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000005422 blasting Methods 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 230000007723 transport mechanism Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000013077 target material Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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
- C23C14/34—Sputtering
- C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
- C23C14/352—Sputtering by application of a magnetic field, e.g. magnetron sputtering using more than one target
-
- 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
- C23C14/50—Substrate holders
-
- 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
- C23C14/225—Oblique incidence of vaporised material on substrate
-
- 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
- C23C14/22—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
- C23C14/351—Sputtering by application of a magnetic field, e.g. magnetron sputtering using a magnetic field in close vicinity to the substrate
-
- 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
- C23C14/50—Substrate holders
- C23C14/505—Substrate holders for rotation of the substrates
-
- 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
- C23C14/56—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks
- C23C14/568—Transferring the substrates through a series of coating stations
-
- 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
- H01J37/32431—Constructional details of the reactor
- H01J37/32623—Mechanical discharge control means
- H01J37/32642—Focus rings
-
- 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
- H01J37/3414—Targets
- H01J37/3426—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
- H01J37/3411—Constructional aspects of the reactor
- H01J37/3461—Means for shaping the magnetic field, e.g. magnetic shunts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/07—Shadow masks
- H01J2229/0705—Mounting arrangement of assembly to vessel
Description
一実施形態に係るスパッタ装置1について、図1を用いて説明する。図1は、一実施形態に係るスパッタ装置1の断面模式図の一例である。
2 真空容器
2a 真空ポート
2b 搬入搬出ポート
3 ターゲット
4 載置部
5 基台部
6 ウェハホルダベース
7,7A~7F ウェハホルダ(円環部材)
8 エッジカバー
9 回転昇降機構
10 エッジカバー駆動部
21 上面隙間
22 径方向隙間
23 下面隙間
31 スパッタ粒子の入射方向
32 スパッタ粒子の軌跡
71 下側内周面
72 上側内周面(第2の面)
73 外周面
74 内側上面(第1の面)
74a~74d 凹部
75 外側上面
76 底面
77 隅部(テーパ面)
78 磁気機能面
79 電磁石
80 外部電源
W 基板
AX1 軸線
Claims (5)
- 基板を載置する基台部と、
前記基台部の外周に配置され、前記基板とは非接触で、前記基板側面及び前記基板裏面を囲む、円環部材と、
前記基台部に載置された前記基板の上面外縁を覆うエッジカバーと、を備え、
前記円環部材は、
前記基台部に載置された前記基板の下面と隙間を有して対向する第1の面と、
前記基台部に載置された前記基板の側面と隙間を有して対向する第2の面と、
前記第1の面と前記第2の面との間の隅部に形成されるテーパ面と、を有し、
前記テーパ面の角度は、45°以上60°以下である、
スパッタ装置。 - 前記第1の面には、凹部が形成される、
請求項1に記載のスパッタ装置。 - 磁性体粒子を放出するターゲットを備え、
前記円環部材は、
磁場を有し、前記磁性体粒子を回収する磁性体粒子回収面を有する、
請求項1または請求項2に記載のスパッタ装置。 - 前記円環部材は、
前記磁性体粒子回収面の磁場を生成する電磁石を有する、
請求項3に記載のスパッタ装置。 - 前記円環部材は、複数の前記電磁石を有し、
複数の前記電磁石は、個別に磁場が制御される、
請求項4に記載のスパッタ装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020044361A JP7398988B2 (ja) | 2020-03-13 | 2020-03-13 | スパッタ装置 |
KR1020210027604A KR20210116245A (ko) | 2020-03-13 | 2021-03-02 | 스퍼터 장치 |
US17/198,756 US11608555B2 (en) | 2020-03-13 | 2021-03-11 | Sputtering apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020044361A JP7398988B2 (ja) | 2020-03-13 | 2020-03-13 | スパッタ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021143411A JP2021143411A (ja) | 2021-09-24 |
JP7398988B2 true JP7398988B2 (ja) | 2023-12-15 |
Family
ID=77664509
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020044361A Active JP7398988B2 (ja) | 2020-03-13 | 2020-03-13 | スパッタ装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11608555B2 (ja) |
JP (1) | JP7398988B2 (ja) |
KR (1) | KR20210116245A (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000355762A (ja) | 1999-05-11 | 2000-12-26 | Trikon Holdings Ltd | 析出装置 |
US7294242B1 (en) | 1998-08-24 | 2007-11-13 | Applied Materials, Inc. | Collimated and long throw magnetron sputtering of nickel/iron films for magnetic recording head applications |
WO2010026955A1 (ja) | 2008-09-08 | 2010-03-11 | 芝浦メカトロニクス株式会社 | 基板保持部材、基板処理装置、基板処理方法 |
JP2011014943A (ja) | 1999-06-30 | 2011-01-20 | Lam Research Corp | エッチング速度の均一性を改良する技術 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040112544A1 (en) * | 2002-12-16 | 2004-06-17 | Hongwen Yan | Magnetic mirror for preventing wafer edge damage during dry etching |
JP4336320B2 (ja) * | 2005-02-25 | 2009-09-30 | キヤノンアネルバ株式会社 | ウエハホルダ |
US8968538B2 (en) * | 2008-09-30 | 2015-03-03 | Canon Anelva Corporation | Sputtering device and sputtering method |
US10115573B2 (en) * | 2014-10-14 | 2018-10-30 | Applied Materials, Inc. | Apparatus for high compressive stress film deposition to improve kit life |
-
2020
- 2020-03-13 JP JP2020044361A patent/JP7398988B2/ja active Active
-
2021
- 2021-03-02 KR KR1020210027604A patent/KR20210116245A/ko unknown
- 2021-03-11 US US17/198,756 patent/US11608555B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7294242B1 (en) | 1998-08-24 | 2007-11-13 | Applied Materials, Inc. | Collimated and long throw magnetron sputtering of nickel/iron films for magnetic recording head applications |
JP2000355762A (ja) | 1999-05-11 | 2000-12-26 | Trikon Holdings Ltd | 析出装置 |
JP2011014943A (ja) | 1999-06-30 | 2011-01-20 | Lam Research Corp | エッチング速度の均一性を改良する技術 |
WO2010026955A1 (ja) | 2008-09-08 | 2010-03-11 | 芝浦メカトロニクス株式会社 | 基板保持部材、基板処理装置、基板処理方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2021143411A (ja) | 2021-09-24 |
US11608555B2 (en) | 2023-03-21 |
KR20210116245A (ko) | 2021-09-27 |
US20210285092A1 (en) | 2021-09-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5001432B2 (ja) | 基板処理装置及び基板処理方法 | |
CN112088227B (zh) | 具有整合遮件库的预清洁腔室 | |
TWI435946B (zh) | Magnetron sputtering device and magnetron sputtering method | |
JP5480290B2 (ja) | スパッタリング装置、及び電子デバイスの製造方法 | |
US8652309B2 (en) | Sputtering apparatus and electronic device manufacturing method | |
WO2019208035A1 (ja) | 成膜装置および成膜方法 | |
TWI829685B (zh) | 具有自定心特徵的兩件式快門盤組件 | |
JP5731085B2 (ja) | 成膜装置 | |
JP2020097779A (ja) | 成膜装置 | |
JP7398988B2 (ja) | スパッタ装置 | |
JP2023133417A (ja) | 成膜装置 | |
JP3649763B2 (ja) | 真空成膜装置の基板用受け皿に扁平な円環ディスク状の基板をロックする装置 | |
JPH10298752A (ja) | 低圧遠隔スパッタ装置及び低圧遠隔スパッタ方法 | |
US20230411131A1 (en) | Film forming apparatus | |
JP2017057444A (ja) | 真空処理装置 | |
US20220415634A1 (en) | Film forming apparatus, processing condition determination method, and film forming method | |
JP2003293134A (ja) | 薄膜形成装置および方法、および当該装置を用いた電子部品の製造方法 | |
TW202248438A (zh) | 進行濺鍍處理之裝置及方法 | |
JP2024052560A (ja) | 成膜装置 | |
JP2001060616A (ja) | 基板処理装置 | |
JP2023533696A (ja) | 物理的気相堆積(pvd)用多重半径マグネトロン及びその使用方法 | |
CN114318284A (zh) | 成膜装置 | |
JP2003297907A (ja) | スパッタリング装置及びスパッタリング装置を用いた薄膜形成方法 | |
JP2013231209A (ja) | 成膜装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20221013 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20230720 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230725 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230907 |
|
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: 20231107 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20231205 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7398988 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |