JP6974960B2 - 半導体パッケージの製造方法 - Google Patents
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- JP6974960B2 JP6974960B2 JP2017084105A JP2017084105A JP6974960B2 JP 6974960 B2 JP6974960 B2 JP 6974960B2 JP 2017084105 A JP2017084105 A JP 2017084105A JP 2017084105 A JP2017084105 A JP 2017084105A JP 6974960 B2 JP6974960 B2 JP 6974960B2
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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
- H10P54/00—Cutting or separating of wafers, substrates or parts of devices
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- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/01—Manufacture or treatment
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- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/852—Encapsulations
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- H—ELECTRICITY
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- 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
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- 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
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- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W42/00—Arrangements for protection of devices
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- 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
- H10W42/20—Arrangements for protection of devices protecting against electromagnetic or particle radiation, e.g. light, X-rays, gamma-rays or electrons
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- 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
- H10W74/00—Encapsulations, e.g. protective coatings
- H10W74/01—Manufacture or treatment
- H10W74/014—Manufacture or treatment using batch processing
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- 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
- H10W74/00—Encapsulations, e.g. protective coatings
- H10W74/01—Manufacture or treatment
- H10W74/016—Manufacture or treatment using moulds
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- 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
- H10W74/00—Encapsulations, e.g. protective coatings
- H10W74/10—Encapsulations, e.g. protective coatings characterised by their shape or disposition
- H10W74/111—Encapsulations, e.g. protective coatings characterised by their shape or disposition the semiconductor body being completely enclosed
- H10W74/114—Encapsulations, e.g. protective coatings characterised by their shape or disposition the semiconductor body being completely enclosed by a substrate and the encapsulations
- H10W74/117—Encapsulations, e.g. protective coatings characterised by their shape or disposition the semiconductor body being completely enclosed by a substrate and the encapsulations the substrate having spherical bumps for external connection
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- 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
- H10W74/00—Encapsulations, e.g. protective coatings
- H10W74/10—Encapsulations, e.g. protective coatings characterised by their shape or disposition
- H10W74/111—Encapsulations, e.g. protective coatings characterised by their shape or disposition the semiconductor body being completely enclosed
- H10W74/121—Encapsulations, e.g. protective coatings characterised by their shape or disposition the semiconductor body being completely enclosed by multiple encapsulations, e.g. by a thin protective coating and a thick encapsulation
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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
- 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
- H10P72/7418—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 of passive members, e.g. a chip mounting substrate
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- 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
- H10W72/00—Interconnections or connectors in packages
- H10W72/01—Manufacture or treatment
- H10W72/0198—Manufacture or treatment batch processes
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- 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
- H10W74/00—Encapsulations, e.g. protective coatings
-
- 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
- H10W90/00—Package configurations
- H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
- H10W90/751—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires
- H10W90/754—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires between a chip and a stacked insulating package substrate, interposer or RDL
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- Dicing (AREA)
- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
- Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
Description
式(1)
step coverage=(特定部分厚/上面厚)×100[%]
式(2)
アスペクト比=矩形溝の溝幅/矩形溝の深さ
11 配線基板
12 半導体チップ
13 樹脂層(封止剤)
15 半導体パッケージ基板
16 シールド層
22 パッケージ上面(封止剤上面)
23 パッケージ側面(側面)
24 封止剤
25 斜面(側面の傾斜)
28 Vブレード(加工工具)
29 V溝(溝)
35 粘着テープ
36 切削ブレード
37 矩形溝
38 矩形溝の溝底
41 保護テープ
42 浅溝(溝)
55 段差
Claims (3)
- 交差する分割予定ラインによって区画された配線基板上の複数領域に複数の半導体チップがマウントされて封止剤により封止された半導体パッケージ基板を該分割予定ラインに沿って分割された半導体パッケージを製造する半導体パッケージの製造方法であって、
該半導体パッケージ基板の該配線基板側を粘着層を有する支持部材上に貼着する貼着工程と、
該貼着工程を実施した後に、該封止剤側から該分割予定ラインに沿って加工工具で少なくとも該封止剤の途中まで切り込み、該封止剤の少なくとも上面が第1の幅である溝を形成する溝形成工程と、
該溝形成工程を実施した後に、該封止剤側から該第1の幅よりも細い第2の幅の切削ブレードを使用して該溝に沿って該支持部材の途中まで切り込み、隣接する該半導体パッケージ間が所定間隔Xmm離間するように分割する分割工程と、
該分割工程を実施した後に、該封止剤側上方から導電性材料で、該配線基板を含む該半導体パッケージの側面、該半導体パッケージ間の該溝底の該支持部材上面、及び該封止剤上面にシールド層を形成するシールド層形成工程と、
該シールド層形成工程を実施した後に、該シールド層が形成された半導体パッケージをピックアップするピックアップ工程と、を備え、
該第1の幅と該第2の幅は、分割後の各半導体パッケージの該封止剤上面から下面に向かう途中で、該封止剤上面よりも外形サイズが大きくなるように各側面に傾斜又は段差が生じる幅に設定され、
該半導体パッケージの該傾斜又該段差の下端から該支持部材に切り込んだ溝底までの側面長さをYmmとした際に、該シールド層形成時に該側面には形成されるが該半導体パッケージ間の該溝底に形成される量が低減するアスペクト比Y/Xになるように、該第1の幅、該第2の幅、該側面長さYmm及びシールド層形成条件が設定されること、を特徴とする半導体パッケージの製造方法。 - 交差する分割予定ラインによって区画された配線基板上の複数領域に複数の半導体チップがマウントされて封止剤により封止された半導体パッケージ基板を該分割予定ラインに沿って分割された半導体パッケージを製造する半導体パッケージの製造方法であって、
該半導体パッケージ基板を該分割予定ラインに沿って分割すると共に、各半導体パッケージの該封止剤上面から下面に向かう途中で、該封止剤上面よりも外形サイズが大きくなるように各側面に傾斜又は段差を形成する分割工程と、
該分割された個々の半導体パッケージの隣接する該半導体パッケージ同士を所定間隔Xmm離間させて整列して、該配線基板側を保持ジグに保持又は支持部材に貼着する半導体パッケージ整列工程と、
該封止剤側上方から導電性材料で、該半導体パッケージの側面及び該封止剤上面にシールド層を形成するシールド層形成工程と、
該シールド層形成工程を実施した後に、該シールド層が形成された半導体パッケージをピックアップするピックアップ工程と、を備え、
該半導体パッケージの該傾斜又は該段差の下端から該保持ジグ又は該支持部材までの側面長さをYmmとした際に、該シールド層形成時に該側面には形成されるが該半導体パッケージ間底面に形成される量が低減するアスペクト比Y/Xになるように、該傾斜又は該段差、該側面長さYmm、該所定間隔Xmm及びシールド層形成条件が設定されること、を特徴とする半導体パッケージの製造方法。 - 該半導体パッケージ整列工程では、該保持ジグ又は該支持部材の保持面を格子状の溝で区画した各領域に該半導体パッケージが載置され、隣接する該半導体パッケージ同士が該所定間隔Xmm離間して整列し、
該溝の溝幅が該半導体パッケージ同士の該所定間隔Xmmよりも大きく形成されていることを特徴とする請求項2に記載の半導体パッケージの製造方法。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017084105A JP6974960B2 (ja) | 2017-04-21 | 2017-04-21 | 半導体パッケージの製造方法 |
| TW107108534A TWI749188B (zh) | 2017-04-21 | 2018-03-14 | 半導體封裝之製造方法 |
| KR1020180039326A KR102311487B1 (ko) | 2017-04-21 | 2018-04-04 | 반도체 패키지의 제조 방법 |
| CN201810337040.3A CN108735668B (zh) | 2017-04-21 | 2018-04-16 | 半导体封装的制造方法 |
| DE102018205895.4A DE102018205895B4 (de) | 2017-04-21 | 2018-04-18 | Herstellungsverfahren einer Halbleiterpackung |
| US15/958,847 US10497623B2 (en) | 2017-04-21 | 2018-04-20 | Method of manufacturing a semiconductor package including a shield layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017084105A JP6974960B2 (ja) | 2017-04-21 | 2017-04-21 | 半導体パッケージの製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2018182236A JP2018182236A (ja) | 2018-11-15 |
| JP6974960B2 true JP6974960B2 (ja) | 2021-12-01 |
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| Country | Link |
|---|---|
| US (1) | US10497623B2 (ja) |
| JP (1) | JP6974960B2 (ja) |
| KR (1) | KR102311487B1 (ja) |
| CN (1) | CN108735668B (ja) |
| DE (1) | DE102018205895B4 (ja) |
| TW (1) | TWI749188B (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US10516381B2 (en) | 2017-12-29 | 2019-12-24 | Texas Instruments Incorporated | 3D-printed protective shell structures for stress sensitive circuits |
| JP7207927B2 (ja) * | 2018-09-28 | 2023-01-18 | 株式会社ディスコ | 半導体パッケージの製造方法 |
| JP7300846B2 (ja) * | 2019-02-19 | 2023-06-30 | 株式会社ディスコ | 切削装置及び半導体パッケージの製造方法 |
| US11355451B2 (en) | 2019-08-28 | 2022-06-07 | Amkor Technology Singapore Holding Pte. Ltd. | Semiconductor devices and methods of manufacturing semiconductor devices |
| US11004801B2 (en) | 2019-08-28 | 2021-05-11 | Amkor Technology Singapore Holding Pte. Ltd. | Semiconductor devices and methods of manufacturing semiconductor devices |
| KR20220003342A (ko) * | 2020-07-01 | 2022-01-10 | 삼성전기주식회사 | 전자 소자 패키지 및 이의 제조방법 |
| US12444639B2 (en) * | 2021-12-01 | 2025-10-14 | STATS ChipPAC Pte. Ltd. | Semiconductor device and method for reducing metal burrs using laser grooving |
| CN114622164B (zh) * | 2022-03-10 | 2023-10-20 | 江苏长电科技股份有限公司 | 无毛刺镀膜器件制备方法及镀膜贴合结构、器件拾取结构 |
| CN114465595B (zh) * | 2022-04-12 | 2022-08-16 | 深圳新声半导体有限公司 | 一种体声波滤波器芯片的封装结构和方法 |
| CN116727773B (zh) * | 2023-06-07 | 2025-12-16 | 江苏长电科技股份有限公司 | 去除镀膜毛刺的方法及装置 |
| CN117611952B (zh) * | 2024-01-17 | 2024-04-12 | 南京阿吉必信息科技有限公司 | 一种led封装结构的制备方法 |
| CN118380336B (zh) * | 2024-06-21 | 2024-09-06 | 日月新半导体(威海)有限公司 | 一种扇出型半导体封装构件及其形成方法 |
| CN118380337B (zh) * | 2024-06-25 | 2024-09-06 | 日月新半导体(威海)有限公司 | 一种半导体晶片的封装结构及其形成方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3923368B2 (ja) | 2002-05-22 | 2007-05-30 | シャープ株式会社 | 半導体素子の製造方法 |
| JP4977432B2 (ja) * | 2006-10-17 | 2012-07-18 | 株式会社ディスコ | ヒ化ガリウムウエーハのレーザー加工方法 |
| DE112009000666T5 (de) * | 2008-03-24 | 2011-07-28 | Murata Mfg. Co., Ltd., Kyoto | Verfahren zum Herstellen eines Elektronikkomponentenmoduls |
| KR100877551B1 (ko) | 2008-05-30 | 2009-01-07 | 윤점채 | 전자파 차폐 기능을 갖는 반도체 패키지, 그 제조방법 및 지그 |
| JP5395446B2 (ja) * | 2009-01-22 | 2014-01-22 | ルネサスエレクトロニクス株式会社 | 半導体装置および半導体装置の製造方法 |
| US8212340B2 (en) * | 2009-07-13 | 2012-07-03 | Advanced Semiconductor Engineering, Inc. | Chip package and manufacturing method thereof |
| US8030750B2 (en) * | 2009-11-19 | 2011-10-04 | Advanced Semiconductor Engineering, Inc. | Semiconductor device packages with electromagnetic interference shielding |
| JP2011187779A (ja) * | 2010-03-10 | 2011-09-22 | Panasonic Corp | モジュール |
| KR101171512B1 (ko) * | 2010-06-08 | 2012-08-06 | 삼성전기주식회사 | 반도체 패키지의 제조 방법 |
| US8426947B2 (en) * | 2010-08-02 | 2013-04-23 | Headway Technologies, Inc. | Laminated semiconductor wafer, laminated chip package and method of manufacturing the same |
| JP2012209449A (ja) * | 2011-03-30 | 2012-10-25 | Elpida Memory Inc | 半導体装置の製造方法 |
| JP5400094B2 (ja) * | 2011-06-02 | 2014-01-29 | 力成科技股▲分▼有限公司 | 半導体パッケージ及びその実装方法 |
| CN103025137A (zh) * | 2011-09-26 | 2013-04-03 | 新科实业有限公司 | 电子部件模块及其制造方法 |
| JP6164879B2 (ja) * | 2013-03-08 | 2017-07-19 | セイコーインスツル株式会社 | パッケージ、圧電振動子、発振器、電子機器及び電波時計 |
| US20150183131A1 (en) * | 2013-12-27 | 2015-07-02 | Chee Seng Foong | Semiconductor wafer dicing blade |
| JP6091460B2 (ja) * | 2014-04-11 | 2017-03-08 | シマネ益田電子株式会社 | 電子部品の製造方法 |
| KR102245134B1 (ko) * | 2014-04-18 | 2021-04-28 | 삼성전자 주식회사 | 반도체 칩을 구비하는 반도체 패키지 |
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2017
- 2017-04-21 JP JP2017084105A patent/JP6974960B2/ja active Active
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2018
- 2018-03-14 TW TW107108534A patent/TWI749188B/zh active
- 2018-04-04 KR KR1020180039326A patent/KR102311487B1/ko active Active
- 2018-04-16 CN CN201810337040.3A patent/CN108735668B/zh active Active
- 2018-04-18 DE DE102018205895.4A patent/DE102018205895B4/de active Active
- 2018-04-20 US US15/958,847 patent/US10497623B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| KR102311487B1 (ko) | 2021-10-08 |
| US20180308756A1 (en) | 2018-10-25 |
| JP2018182236A (ja) | 2018-11-15 |
| KR20180118521A (ko) | 2018-10-31 |
| CN108735668A (zh) | 2018-11-02 |
| DE102018205895A1 (de) | 2018-10-25 |
| DE102018205895B4 (de) | 2023-04-20 |
| CN108735668B (zh) | 2023-09-12 |
| US10497623B2 (en) | 2019-12-03 |
| TW201901876A (zh) | 2019-01-01 |
| TWI749188B (zh) | 2021-12-11 |
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