[go: up one dir, main page]

CN109265163A - 陶瓷电容器的制备方法 - Google Patents

陶瓷电容器的制备方法 Download PDF

Info

Publication number
CN109265163A
CN109265163A CN201811148832.2A CN201811148832A CN109265163A CN 109265163 A CN109265163 A CN 109265163A CN 201811148832 A CN201811148832 A CN 201811148832A CN 109265163 A CN109265163 A CN 109265163A
Authority
CN
China
Prior art keywords
potsherd
ceramic capacitor
preparation
carried out
electrode
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.)
Pending
Application number
CN201811148832.2A
Other languages
English (en)
Inventor
刘艳伟
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.)
Suzhou Wide-Sighted Intelligent Technology Co Ltd
Original Assignee
Suzhou Wide-Sighted Intelligent Technology 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 Suzhou Wide-Sighted Intelligent Technology Co Ltd filed Critical Suzhou Wide-Sighted Intelligent Technology Co Ltd
Priority to CN201811148832.2A priority Critical patent/CN109265163A/zh
Publication of CN109265163A publication Critical patent/CN109265163A/zh
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C04B35/4682—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 based on BaTiO3 perovskite phase
    • 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
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • 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
    • H01G4/228—Terminals
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3232—Titanium oxides or titanates, e.g. rutile or anatase
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/658—Atmosphere during thermal treatment
    • C04B2235/6582—Hydrogen containing atmosphere

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Capacitors (AREA)

Abstract

本发明公开了一种陶瓷电容器的制备方法，包括如下步骤：1)选取TiO2、BaTiO3混合粉末放入模具中通过压力机进行干压成型，获得电容器的陶瓷介质生坯；2)将上述陶瓷介质生坯置于能够控制气氛的高温炉中，在1300‑1340℃的温度下进行烧结，得到陶瓷片；3)对所述陶瓷片进行的面进行打磨和清洁处理；4)向清洁后的陶瓷片的两个对立的表面烧渗电极，得到陶瓷电容器。本发明采用TiO2、BaTiO3混合粉末烧制陶瓷片，且采用固相合成工艺，使原材料成为固熔体，提高产品的稳定性，采用打磨和清洁处理工序，对陶瓷片进行处理，提高最终产品的质量，此外，采用铜合金作为外部引出电极，降低成本。

Description

陶瓷电容器的制备方法
技术领域
本发明涉及一种陶瓷电容器的制备方法。
背景技术
随着电子技术的迅猛发展，电子元器件日益向小型化、多功能化、高可靠性和低成本方向发展，目前国内外温度补偿型多层片式瓷介电容器全部采用贵金属Ag/Pd材料为内电极，对于一些质量要求高的产品甚至采用全Pd内电极，而端电极则是Ag，这样必然导致生产成本过高的问题，此外，现有的陶瓷电容器的稳定性和最终产品质量不高。
发明内容
为克服上述缺点，本发明的目的在于提供一种成本低、稳定性好且最终产品质量高的陶瓷电容器的制备方法。
为了达到以上目的，本发明采用的技术方案是：一种陶瓷电容器的制备方法，包括如下步骤：
1)选取TiO2、BaTiO3混合粉末放入模具中通过压力机进行干压成型，获得电容器的陶瓷介质生坯；
2)将上述陶瓷介质生坯置于能够控制气氛的高温炉中，在1300-1340℃的温度中进行烧结，得到陶瓷片；
3)对所述陶瓷片进行的面进行打磨和清洁处理；
4)向清洁后的陶瓷片的两个对立的表面烧渗电极，得到陶瓷电容器。
优选地，所述步骤1)中的TiO2和BaTiO3的比例为1：4，采用混料机混合5-10分钟。
优选地，所述步骤1)中的压力机的压力为25-30MPa。
优选地，所述步骤2)中的整个烧结过程在含有H2的N2气氛保护下进行。
优选地，所述步骤3)中的打磨通过人工采用砂纸进行，对打磨过的陶瓷片采用滚轮进行表面除尘。
优选地，所述步骤4)中的电极是采用铜合金浆料层的电极。
本发明的有益效果：采用TiO2、BaTiO3混合粉末烧制陶瓷片，且采用固相合成工艺，使原材料成为固熔体，提高产品的稳定性，采用打磨和清洁处理工序，对陶瓷片进行处理，提高最终产品的质量，此外，采用铜合金作为外部引出电极，降低成本。
具体实施方式
下面对本发明的较佳实施例进行详细阐述，以使本发明的优点和特征能更易于被本领域技术人员理解，从而对本发明的保护范围做出更为清楚明确的界定。
本实施例中的一种，包括一种陶瓷电容器的制备方法，其特征在于包括如下步骤：
1)选取比例为1：4的TiO2、BaTiO3混合粉末放入模具中通过压力机在25-30MPa的压力下进行干压成型，获得电容器的陶瓷介质生坯；
2)将上述陶瓷介质生坯置于能够控制气氛的高温炉中，在1300-1340℃的温度下进行烧结，得到陶瓷片；
3)对所述陶瓷片进行的面进行打磨和清洁处理；
4)向清洁后的陶瓷片的两个对立的表面烧渗电极，得到陶瓷电容器。
其中，TiO2、BaTiO3采用混料机混合5-10分钟形成均匀混合粉末。整个烧结过程在含有H2的N2气氛保护下进行。
为了提高产品质量，所述步骤3)中的打磨通过人工采用砂纸进行，对打磨过的陶瓷片采用滚轮进行表面除尘。
所述步骤4)中的电极是采用铜合金浆料层的电极。
以上实施方式只为说明本发明的技术构思及特点，其目的在于让熟悉此项技术的人了解本发明的内容并加以实施，并不能以此限制本发明的保护范围，凡根据本发明精神实质所做的等效变化或修饰，都应涵盖在本发明的保护范围内。

Claims (6)

1.一种陶瓷电容器的制备方法，其特征在于包括如下步骤：
1)选取T iO2、BaT iO3混合粉末放入模具中通过压力机进行干压成型，获得电容器的陶瓷介质生坯；
2)将上述陶瓷介质生坯置于能够控制气氛的高温炉中，在1300-1340℃的温度下进行烧结，得到陶瓷片；
3)对所述陶瓷片进行的面进行打磨和清洁处理；
4)向清洁后的陶瓷片的两个对立的表面烧渗电极，得到陶瓷电容器。
2.权利要求1所述的陶瓷电容器的制备方法，其特征在于：所述步骤1)中的T iO2和BaTiO3的比例为1：4，采用混料机混合5-10分钟。
3.权利要求1或2所述的陶瓷电容器的制备方法，其特征在于：所述步骤1)中的压力机的压力为25-30MPa。
4.根据权利要求1所述的陶瓷电容器的制备方法，其特征在于：所述步骤2)中的整个烧结过程在含有H2的N2气氛保护下进行。
5.根据权利要求1所述的陶瓷电容器的制备方法，其特征在于：所述步骤3)中的打磨通过人工采用砂纸进行，对打磨过的陶瓷片采用滚轮进行表面除尘。
6.根据权利要求1所述的陶瓷电容器的制备方法，其特征在于：所述步骤4)中的电极是采用铜合金浆料层的电极。
CN201811148832.2A 2018-09-29 2018-09-29 陶瓷电容器的制备方法 Pending CN109265163A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811148832.2A CN109265163A (zh) 2018-09-29 2018-09-29 陶瓷电容器的制备方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811148832.2A CN109265163A (zh) 2018-09-29 2018-09-29 陶瓷电容器的制备方法

Publications (1)

Publication Number Publication Date
CN109265163A true CN109265163A (zh) 2019-01-25

Family

ID=65195765

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811148832.2A Pending CN109265163A (zh) 2018-09-29 2018-09-29 陶瓷电容器的制备方法

Country Status (1)

Country Link
CN (1) CN109265163A (zh)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0014002B1 (en) * 1979-01-29 1984-05-16 Nec Corporation (1-x)BaO.xTiO2 System dielectric material for use in a microwave device
US6358464B1 (en) * 2000-03-04 2002-03-19 Korea Advanced Institute Of Science And Technology Method for making BaTiO3-based dielectric
CN1461022A (zh) * 2003-06-27 2003-12-10 清华大学 贱金属电极多层陶瓷电容器介质材料及其制备方法
CN1507640A (zh) * 2002-02-13 2004-06-23 ���µ�����ҵ��ʽ���� 陶瓷电容器及其制造方法
CN2788324Y (zh) * 2005-02-06 2006-06-14 史宝林 圆片形高压瓷介电容器贱金属电极
CN101145447A (zh) * 2006-09-15 2008-03-19 太阳诱电株式会社 层合陶瓷电容器
CN103247362A (zh) * 2013-04-17 2013-08-14 隆科电子(惠阳)有限公司 一种电子陶瓷元件的卑金属复合电极及其制备方法
CN107731565A (zh) * 2017-10-18 2018-02-23 德清鼎兴电子有限公司 一种镍钛铜多维结构电容电极及其制备工艺

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0014002B1 (en) * 1979-01-29 1984-05-16 Nec Corporation (1-x)BaO.xTiO2 System dielectric material for use in a microwave device
US6358464B1 (en) * 2000-03-04 2002-03-19 Korea Advanced Institute Of Science And Technology Method for making BaTiO3-based dielectric
CN1507640A (zh) * 2002-02-13 2004-06-23 ���µ�����ҵ��ʽ���� 陶瓷电容器及其制造方法
CN1461022A (zh) * 2003-06-27 2003-12-10 清华大学 贱金属电极多层陶瓷电容器介质材料及其制备方法
CN2788324Y (zh) * 2005-02-06 2006-06-14 史宝林 圆片形高压瓷介电容器贱金属电极
CN101145447A (zh) * 2006-09-15 2008-03-19 太阳诱电株式会社 层合陶瓷电容器
CN103247362A (zh) * 2013-04-17 2013-08-14 隆科电子(惠阳)有限公司 一种电子陶瓷元件的卑金属复合电极及其制备方法
CN107731565A (zh) * 2017-10-18 2018-02-23 德清鼎兴电子有限公司 一种镍钛铜多维结构电容电极及其制备工艺

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
KEVIN W.KIRBY ET AL.: "Phase relations in the barium titanate-titanium oxide system", 《JOURNAL OF THE AMERICAN CERAMIC SOCIETY》 *
SHINICHI MIURA ET AL.: "Liquid phase and electrical conductivity in TiO2 added BaTiO3 Ceramics", 《JOURNAL OF THE CERAMIC SOCIETY OF JAPAN》 *
WU YUCHUAN ET AL.: "Dislocation loops in pressureless-sintered undoped BaTiO3 ceramics", 《JOURNAL OF THE AMERICAN CERAMIC SOCIETY》 *
曲远方: "《现代陶瓷材料及技术》", 31 May 2008, 华东理工大学出版社 *
李杨 等: "《电子工艺实训》", 1 May 2016, 西安电子科技大学出版社 *

Similar Documents

Publication Publication Date Title
CN113004028B (zh) 一种硅基低介微波介质陶瓷及其制备方法
CN105237045B (zh) 氧化铍陶瓷金属化方法
CN103396120B (zh) 可低温烧结的钼基微波介电陶瓷Ba4Li2Mo2O11
CN102875157A (zh) 一种氧化铝陶瓷的制备方法
CN104576043B (zh) 内电极浆料
CN102076133B (zh) 微波用大功率陶瓷输出帽及其生产方法
CN109265163A (zh) 陶瓷电容器的制备方法
JP2001076964A (ja) 積層セラミック電子部品の製造方法
JP6728859B2 (ja) セラミック基板およびその製造方法
JP2002524386A (ja) 還元安定性セラミック材料
US20100304031A1 (en) Method of preparing a green-ceramic pigment for reduction firing using copper oxide and a green ceramic made thereby
CN108178615B (zh) 一种微波陶瓷介质烧结粉体材料、微波介质陶瓷及其应用
CN103539444A (zh) 低温烧结微波介电陶瓷Ca2Bi2O5及其制备方法
CN110922186B (zh) 一种中低温烧结高介电常数陶瓷介质材料及其制备方法
CN103641474B (zh) 一种温度稳定型焦绿石复相介电陶瓷及其制备方法
KR101258651B1 (ko) 알루미나 성형체 제조방법
CN115631940A (zh) 一种包覆纳米氮化硼-氧化铝复合膜磁粉芯及其制备方法
CN104945002B (zh) 一种陶瓷/树脂复合材料制备多层器件的方法
CN112592160A (zh) 一种复相低温共烧陶瓷材料及其制备方法
CN112898022A (zh) 一种超低温烧结微波介质材料Ca2V2O7-H3BO3及其制备方法
CN105152646B (zh) 一种介电平滑稳定x8r型双掺杂钛酸钡陶瓷介质材料及其制备方法
JP2004168600A (ja) 誘電体磁器組成物及びその製造方法並びに電子部品
JP2007009268A (ja) スパッタリングターゲットの製造方法
CN108585802A (zh) 一种高介电性能陶瓷的烧结制备方法
JPH04324610A (ja) 希土類入り銀導電ペーストおよびこれを用いた電子部品

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190125

RJ01 Rejection of invention patent application after publication