JP7697521B2 - 積層セラミックコンデンサ - Google Patents

積層セラミックコンデンサ Download PDF

Info

Publication number
JP7697521B2
JP7697521B2 JP2023551421A JP2023551421A JP7697521B2 JP 7697521 B2 JP7697521 B2 JP 7697521B2 JP 2023551421 A JP2023551421 A JP 2023551421A JP 2023551421 A JP2023551421 A JP 2023551421A JP 7697521 B2 JP7697521 B2 JP 7697521B2
Authority
JP
Japan
Prior art keywords
dielectric ceramic
grains
internal electrode
ceramic layer
layer
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
Application number
JP2023551421A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023054184A1 (https=
JPWO2023054184A5 (https=
Inventor
英之 橋本
武久 笹林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of JPWO2023054184A1 publication Critical patent/JPWO2023054184A1/ja
Publication of JPWO2023054184A5 publication Critical patent/JPWO2023054184A5/ja
Application granted granted Critical
Publication of JP7697521B2 publication Critical patent/JP7697521B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • H01G4/1272—Semiconductive ceramic capacitors
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
    • C04B35/462—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates
    • C04B35/465—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates
    • C04B35/468—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates
    • 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
    • H01G4/005—Electrodes
    • H01G4/008—Selection of materials
    • 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
    • H01G4/005—Electrodes
    • H01G4/008—Selection of materials
    • H01G4/0085—Fried electrodes
    • 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
    • H01G4/005—Electrodes
    • H01G4/012—Form of non-self-supporting electrodes
    • 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
    • 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
    • H01G4/1209—Ceramic dielectrics characterised by the ceramic dielectric material
    • H01G4/1218—Ceramic dielectrics characterised by the ceramic dielectric material based on titanium oxides or titanates
    • H01G4/1227—Ceramic dielectrics characterised by the ceramic dielectric material based on titanium oxides or titanates based on alkaline earth titanates
    • 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
    • H01G4/30—Stacked capacitors
    • 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
    • H01G4/1209—Ceramic dielectrics characterised by the ceramic dielectric material
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/13—Energy storage using capacitors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Capacitors (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
JP2023551421A 2021-09-28 2022-09-22 積層セラミックコンデンサ Active JP7697521B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021158285 2021-09-28
JP2021158285 2021-09-28
PCT/JP2022/035443 WO2023054184A1 (ja) 2021-09-28 2022-09-22 積層セラミックコンデンサ

Publications (3)

Publication Number Publication Date
JPWO2023054184A1 JPWO2023054184A1 (https=) 2023-04-06
JPWO2023054184A5 JPWO2023054184A5 (https=) 2024-06-05
JP7697521B2 true JP7697521B2 (ja) 2025-06-24

Family

ID=85782586

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023551421A Active JP7697521B2 (ja) 2021-09-28 2022-09-22 積層セラミックコンデンサ

Country Status (5)

Country Link
US (1) US20240274357A1 (https=)
JP (1) JP7697521B2 (https=)
KR (1) KR102946372B1 (https=)
CN (1) CN118043918A (https=)
WO (1) WO2023054184A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7632671B2 (ja) 2021-09-28 2025-02-19 株式会社村田製作所 積層セラミックコンデンサ
CN116858865A (zh) * 2023-07-17 2023-10-10 深圳先进电子材料国际创新研究院 一种基于透射电镜观察mlcc陶瓷介质材料微观结构的方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015062216A (ja) 2013-08-23 2015-04-02 Tdk株式会社 積層型セラミック電子部品
US20200266264A1 (en) 2019-02-14 2020-08-20 Samsung Electronics Co., Ltd. Single crystal material and method of forming the same and stacked structure and ceramic electronic component and device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5211262B1 (https=) 1970-12-04 1977-03-30
US8557352B2 (en) * 2006-06-20 2013-10-15 Tdk Corporation Method of making a metal oxide film, laminates and electronic devices
KR101862396B1 (ko) * 2011-09-08 2018-05-30 삼성전기주식회사 적층 세라믹 전자부품 및 이의 제조방법
JP2014084267A (ja) 2012-10-26 2014-05-12 Kyocera Corp 誘電体磁器および積層セラミックコンデンサ
US9887344B2 (en) * 2014-07-01 2018-02-06 Seiko Epson Corporation Piezoelectric element, piezoelectric actuator device, liquid ejecting head, liquid ejecting apparatus, and ultrasonic measuring apparatus
JP5857116B2 (ja) 2014-12-15 2016-02-10 太陽誘電株式会社 積層セラミックコンデンサ及びその製造方法
JP6996945B2 (ja) * 2017-11-07 2022-01-17 太陽誘電株式会社 積層セラミックコンデンサ
KR102259923B1 (ko) * 2019-11-15 2021-06-02 광주과학기술원 유전박막, 이를 포함하는 멤커패시터, 이를 포함하는 셀 어레이, 및 그 제조 방법

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015062216A (ja) 2013-08-23 2015-04-02 Tdk株式会社 積層型セラミック電子部品
US20200266264A1 (en) 2019-02-14 2020-08-20 Samsung Electronics Co., Ltd. Single crystal material and method of forming the same and stacked structure and ceramic electronic component and device

Also Published As

Publication number Publication date
WO2023054184A1 (ja) 2023-04-06
CN118043918A (zh) 2024-05-14
KR102946372B1 (ko) 2026-04-01
JPWO2023054184A1 (https=) 2023-04-06
KR20240038160A (ko) 2024-03-22
US20240274357A1 (en) 2024-08-15

Similar Documents

Publication Publication Date Title
US7652870B2 (en) Multilayer ceramic capacitor
KR102587765B1 (ko) 적층 세라믹 콘덴서 및 그 제조 방법
JP7528830B2 (ja) 積層セラミックコンデンサ
JP2022070606A (ja) 誘電体セラミック及び積層セラミックコンデンサ
US20250259790A1 (en) Multilayer ceramic capacitor
US10879002B2 (en) Ceramic capacitor and manufacturing method thereof
US12482604B2 (en) Multilayer ceramic capacitor
US20240274357A1 (en) Multilayer ceramic capacitor
JP2007258661A (ja) 積層セラミックコンデンサおよびその製法
US11657970B2 (en) Dielectric substance, electronic device and multilayer ceramic capacitor
JP2025111802A (ja) 積層セラミックコンデンサ
JP7700867B2 (ja) 積層セラミックコンデンサ
JP7806805B2 (ja) 積層セラミックコンデンサ
KR102491421B1 (ko) 적층 세라믹 콘덴서 및 그 제조 방법
US20250385046A1 (en) Multilayer ceramic capacitor
WO2026070751A1 (ja) 積層セラミックコンデンサ
WO2026070746A1 (ja) 積層セラミックコンデンサ
WO2026070752A1 (ja) 積層セラミックコンデンサ用セラミック粉末、積層セラミックコンデンサ用セラミック粉末の製造方法、及び積層セラミックコンデンサの製造方法
WO2025070580A1 (ja) 積層セラミックコンデンサ
WO2026070745A1 (ja) 積層セラミックコンデンサ
WO2026070749A1 (ja) 積層セラミックコンデンサ

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240314

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20240314

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20250107

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20250305

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: 20250513

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20250526

R150 Certificate of patent or registration of utility model

Ref document number: 7697521

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150