JP6112060B2 - セラミック電子部品およびその製造方法 - Google Patents
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/008—Thermistors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/14—Terminals or tapping points specially adapted for resistors; Arrangements of terminals or tapping points on resistors
- H01C1/148—Terminals or tapping points specially adapted for resistors; Arrangements of terminals or tapping points on resistors the terminals embracing or surrounding the resistive element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/18—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material comprising a plurality of layers stacked between terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
- H01F27/292—Surface mounted devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/228—Terminals
- H01G4/232—Terminals electrically connecting two or more layers of a stacked or rolled capacitor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/228—Terminals
- H01G4/232—Terminals electrically connecting two or more layers of a stacked or rolled capacitor
- H01G4/2325—Terminals electrically connecting two or more layers of a stacked or rolled capacitor characterised by the material of the terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/30—Stacked capacitors
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/01—Manufacture or treatment
- H10N30/06—Forming electrodes or interconnections, e.g. leads or terminals
- H10N30/063—Forming interconnections, e.g. connection electrodes of multilayered piezoelectric or electrostrictive parts
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/87—Electrodes or interconnections, e.g. leads or terminals
- H10N30/872—Interconnections, e.g. connection electrodes of multilayer piezoelectric or electrostrictive devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/87—Electrodes or interconnections, e.g. leads or terminals
- H10N30/877—Conductive materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
- H01F17/0013—Printed inductances with stacked layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/041—Printed circuit coils
- H01F41/046—Printed circuit coils structurally combined with ferromagnetic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/018—Dielectrics
- H01G4/06—Solid dielectrics
- H01G4/08—Inorganic dielectrics
- H01G4/12—Ceramic dielectrics
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/42—Piezoelectric device making
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/43—Electric condenser making
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49082—Resistor making
- Y10T29/49085—Thermally variable
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Ceramic Capacitors (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Chemical & Material Sciences (AREA)
- Coils Or Transformers For Communication (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
Description
本発明の一形態においては、第1の金属成分がSnである。
本発明の一形態においては、上記混合物において、第1の金属成分の含有率は、20重量%以上40重量%以下である。
各セラミック層150の厚さは、0.5μm以上10μm以下であることが好ましい。セラミック層150を構成する材料としては、BaTiO3、CaTiO3、SrTiO3またはCaZrO3などを主成分とする誘電体セラミックスを用いることができる。また、これらの主成分に、副成分として、Mn化合物、Fe化合物、Cr化合物、Co化合物またはNi化合物などが添加された材料を用いてもよい。
0.95mm以上1.20mm以下の長さ、0.45mm以上0.70mm以下の幅、および、0.45mm以上0.70mm以下の厚さの外形寸法を有する500個のセラミック電子部品を作製して実験を行なった。
Claims (12)
- セラミック層と内部電極とが交互に積層された直方体状の積層体と、
前記積層体の表面の一部に設けられて前記内部電極と電気的に接続された外部電極と
を備え、
前記外部電極は、前記積層体の前記表面の一部を覆って樹脂成分と金属成分との混合物からなる内側外部電極と、該内側外部電極を覆って金属成分からなる外側外部電極とを含み、
前記内側外部電極は、金属成分として、一部が前記内部電極と合金を形成して前記内部電極と前記内側外部電極とを接続する第1の金属成分と、該第1の金属成分より融点が高く、一部が前記第1の金属成分と合金を形成して前記内側外部電極と前記外側外部電極とを接続する第2の金属成分とを含み、
前記内側外部電極の表層金属濃度が17.5%以上19.7%以下である、セラミック電子部品。 - 前記外側外部電極の前記金属成分がNiである、請求項1に記載のセラミック電子部品。
- 前記第1の金属成分がSnである、請求項1または2に記載のセラミック電子部品。
- 前記第2の金属成分がAgまたはCuである、請求項1から3のいずれか1項に記載のセラミック電子部品。
- セラミック層と内部電極とが交互に積層された直方体状の積層体を準備する工程と、
前記内部電極と電気的に接続されるように前記積層体の表面の一部に外部電極を設ける工程と
を備え、
前記外部電極を設ける工程は、樹脂成分と金属成分との混合物を前記積層体の前記表面の一部を覆うように塗布し、前記混合物を塗布した前記積層体を加熱することにより内側外部電極を設ける工程と、該内側外部電極の表層をバレル研磨する工程と、該バレル研磨する工程後の前記内側外部電極を覆うように金属成分をめっきして外側外部電極を設ける工程とを含み、
前記内側外部電極の金属成分は、一部が前記内部電極と合金を形成して前記内部電極と前記内側外部電極とを接続する第1の金属成分と、該第1の金属成分より融点が高く、一部が前記第1の金属成分と合金を形成して前記内側外部電極と前記外側外部電極とを接続する第2の金属成分とを含み、
前記バレル研磨する工程後において、前記内側外部電極の表層金属濃度が17.5%以上19.7%以下である、セラミック電子部品の製造方法。 - 前記外側外部電極の前記金属成分がNiである、請求項5に記載のセラミック電子部品の製造方法。
- 前記第1の金属成分がSnである、請求項5または6に記載のセラミック電子部品の製造方法。
- 前記第2の金属成分がAgまたはCuである、請求項5から7のいずれか1項に記載のセラミック電子部品の製造方法。
- 前記混合物において、前記第1の金属成分の含有率は、20重量%以上40重量%以下である、請求項5から8のいずれか1項に記載のセラミック電子部品の製造方法。
- 前記混合物において、前記第2の金属成分の含有率は、30重量%以上70重量%以下である、請求項5から9のいずれか1項に記載のセラミック電子部品の製造方法。
- 前記内側外部電極を設ける工程において、前記積層体を加熱する温度が450℃以上である、請求項5から10のいずれか1項に記載のセラミック電子部品の製造方法。
- 前記内側外部電極を設ける工程において、100ppm以下の酸素濃度の雰囲気下にて前記積層体を加熱する、請求項5から11のいずれか1項に記載のセラミック電子部品の製造方法。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014089244A JP6112060B2 (ja) | 2013-06-19 | 2014-04-23 | セラミック電子部品およびその製造方法 |
| CN201410252705.2A CN104240949B (zh) | 2013-06-19 | 2014-06-09 | 陶瓷电子部件及其制造方法 |
| KR1020140070900A KR101647321B1 (ko) | 2013-06-19 | 2014-06-11 | 세라믹 전자부품 및 그 제조방법 |
| US14/305,103 US9672963B2 (en) | 2013-06-19 | 2014-06-16 | Ceramic electronic component and method of manufacturing the same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013128282 | 2013-06-19 | ||
| JP2013128282 | 2013-06-19 | ||
| JP2014089244A JP6112060B2 (ja) | 2013-06-19 | 2014-04-23 | セラミック電子部品およびその製造方法 |
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| Publication Number | Publication Date |
|---|---|
| JP2015026817A JP2015026817A (ja) | 2015-02-05 |
| JP6112060B2 true JP6112060B2 (ja) | 2017-04-12 |
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| JP2014089244A Active JP6112060B2 (ja) | 2013-06-19 | 2014-04-23 | セラミック電子部品およびその製造方法 |
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| Country | Link |
|---|---|
| US (1) | US9672963B2 (ja) |
| JP (1) | JP6112060B2 (ja) |
| KR (1) | KR101647321B1 (ja) |
| CN (1) | CN104240949B (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9202640B2 (en) * | 2011-10-31 | 2015-12-01 | Murata Manufacturing Co., Ltd. | Ceramic electronic component and manufacturing method thereof |
| JP2015026816A (ja) * | 2013-06-19 | 2015-02-05 | 株式会社村田製作所 | セラミック電子部品およびその製造方法 |
| JP6112060B2 (ja) * | 2013-06-19 | 2017-04-12 | 株式会社村田製作所 | セラミック電子部品およびその製造方法 |
| WO2014208376A1 (ja) * | 2013-06-24 | 2014-12-31 | 日本碍子株式会社 | セラミックスデバイス、及び圧電デバイス |
| JPWO2016158743A1 (ja) * | 2015-03-30 | 2017-10-12 | 株式会社村田製作所 | マザーの圧電素子及び積層型圧電素子並びに積層型圧電素子の製造方法 |
| JP6429027B2 (ja) * | 2015-09-15 | 2018-11-28 | Tdk株式会社 | 積層電子部品 |
| TWM527148U (zh) * | 2016-03-29 | 2016-08-11 | Yageo Corp | 具有多個端電極的積層電容器 |
| JP6465068B2 (ja) * | 2016-04-28 | 2019-02-06 | 株式会社村田製作所 | コイル部品 |
| JP7125031B2 (ja) * | 2017-07-18 | 2022-08-24 | 太陽誘電株式会社 | 積層圧電素子、圧電振動装置、及び電子機器 |
| JP6984212B2 (ja) * | 2017-07-28 | 2021-12-17 | Tdk株式会社 | コイル部品 |
| KR102463330B1 (ko) * | 2017-10-17 | 2022-11-04 | 삼성전기주식회사 | 코일 전자 부품 |
| JP6904309B2 (ja) * | 2018-06-21 | 2021-07-14 | 株式会社村田製作所 | 電子部品および電子部品の製造方法 |
| JP7276646B2 (ja) * | 2019-02-01 | 2023-05-18 | Tdk株式会社 | セラミック電子部品 |
| JP7188568B2 (ja) * | 2019-04-26 | 2022-12-13 | 株式会社村田製作所 | 電子部品および実装構造体 |
| KR20240126186A (ko) * | 2023-02-13 | 2024-08-20 | 삼성전기주식회사 | 적층형 커패시터 및 이의 제조 방법 |
| CN117074131A (zh) * | 2023-08-15 | 2023-11-17 | 广东微容电子科技有限公司 | 一种检测片式多层陶瓷电容器端部角裂的方法 |
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| JPWO2004053901A1 (ja) | 2002-12-09 | 2006-04-13 | 松下電器産業株式会社 | 外部電極を備えた電子部品 |
| JP2007234800A (ja) * | 2006-02-28 | 2007-09-13 | Tdk Corp | 電子部品及びその製造方法 |
| JP2008053488A (ja) * | 2006-08-25 | 2008-03-06 | Tdk Corp | 導電性ペースト、電子部品、積層セラミックコンデンサおよびその製造方法 |
| JP2008085280A (ja) * | 2006-09-26 | 2008-04-10 | Taiyo Yuden Co Ltd | 表面実装型電子部品とその製造方法 |
| JP5082919B2 (ja) * | 2008-02-25 | 2012-11-28 | Tdk株式会社 | 電子部品の実装構造 |
| JP2012160586A (ja) * | 2011-02-01 | 2012-08-23 | Murata Mfg Co Ltd | 積層セラミック電子部品およびその製造方法 |
| JP5664574B2 (ja) * | 2011-03-18 | 2015-02-04 | 株式会社村田製作所 | 積層セラミックコンデンサ |
| US9202640B2 (en) * | 2011-10-31 | 2015-12-01 | Murata Manufacturing Co., Ltd. | Ceramic electronic component and manufacturing method thereof |
| US8988855B2 (en) * | 2011-10-31 | 2015-03-24 | Murata Manufacturing Co., Ltd. | Method of manufacturing ceramic electronic component including heating an electrode layer to form a conductive layer including an alloy particle |
| US9490055B2 (en) * | 2011-10-31 | 2016-11-08 | Murata Manufacturing Co., Ltd. | Ceramic electronic component and manufacturing method thereof |
| KR101761936B1 (ko) * | 2012-03-13 | 2017-07-26 | 삼성전기주식회사 | 적층 세라믹 전자 부품 |
| WO2013140903A1 (ja) * | 2012-03-19 | 2013-09-26 | 株式会社村田製作所 | セラミック電子部品 |
| KR102004759B1 (ko) * | 2012-06-11 | 2019-07-29 | 삼성전기주식회사 | 외부 전극용 도전성 페이스트 조성물 및 이를 이용한 적층 세라믹 전자부품. |
| CN104823252B (zh) * | 2012-12-18 | 2018-04-06 | 株式会社村田制作所 | 层叠陶瓷电子部件 |
| JP6112060B2 (ja) * | 2013-06-19 | 2017-04-12 | 株式会社村田製作所 | セラミック電子部品およびその製造方法 |
| KR102007295B1 (ko) * | 2013-12-12 | 2019-08-05 | 삼성전기주식회사 | 적층 세라믹 커패시터, 그 제조방법 및 적층 세라믹 커패시터의 실장 기판 |
| JP5958479B2 (ja) * | 2014-01-31 | 2016-08-02 | 株式会社村田製作所 | 電子部品の実装構造体 |
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- 2014-04-23 JP JP2014089244A patent/JP6112060B2/ja active Active
- 2014-06-09 CN CN201410252705.2A patent/CN104240949B/zh active Active
- 2014-06-11 KR KR1020140070900A patent/KR101647321B1/ko active Active
- 2014-06-16 US US14/305,103 patent/US9672963B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US9672963B2 (en) | 2017-06-06 |
| JP2015026817A (ja) | 2015-02-05 |
| CN104240949B (zh) | 2017-09-05 |
| KR101647321B1 (ko) | 2016-08-10 |
| CN104240949A (zh) | 2014-12-24 |
| US20140375173A1 (en) | 2014-12-25 |
| KR20140147694A (ko) | 2014-12-30 |
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