DE19964161B4 - Dielectric ceramic for a laminated ceramic electronic element e.g. a miniature capacitor - Google Patents

Dielectric ceramic for a laminated ceramic electronic element e.g. a miniature capacitor Download PDF

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Publication number
DE19964161B4
DE19964161B4 DE19964161A DE19964161A DE19964161B4 DE 19964161 B4 DE19964161 B4 DE 19964161B4 DE 19964161 A DE19964161 A DE 19964161A DE 19964161 A DE19964161 A DE 19964161A DE 19964161 B4 DE19964161 B4 DE 19964161B4
Authority
DE
Germany
Prior art keywords
electronic element
dielectric ceramic
ceramic
ceramic electronic
laminated
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.)
Expired - Lifetime
Application number
DE19964161A
Other languages
German (de)
Inventor
Nobuyuki Wada
Jun Ikeda
Takashi Hiramatsu
Yukio Hamaji
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
Priority claimed from JP23673698A external-priority patent/JP3391269B2/en
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Priority to DE1999102151 priority Critical patent/DE19902151B4/en
Priority claimed from DE1999102151 external-priority patent/DE19902151B4/en
Application granted granted Critical
Publication of DE19964161B4 publication Critical patent/DE19964161B4/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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

Abstract

A dielectric ceramic, obtained by firing a barium titanate powder having a perovskite structure with a c-axis/a-axis ratio of 1.003-1.010 and an OH group content of =1 wt.% in its crystal lattice, is new. Independent claims are also included for the following: (i) production of a dielectric ceramic by firing the barium titanate powder described above; (ii) a laminated ceramic electronic element with an internal conductor between two adjacent layers of the above dielectric ceramic; and (iii) a process for producing the above laminated ceramic electronic element.
DE19964161A 1998-01-20 1999-01-20 Dielectric ceramic for a laminated ceramic electronic element e.g. a miniature capacitor Expired - Lifetime DE19964161B4 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE1999102151 DE19902151B4 (en) 1998-01-20 1999-01-20 Process for the preparation of a dielectric ceramic and barium titanate powder for such a process

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP841898 1998-01-20
JP23673698A JP3391269B2 (en) 1998-01-20 1998-08-24 Dielectric ceramic and its manufacturing method, and multilayer ceramic electronic component and its manufacturing method
DE1999102151 DE19902151B4 (en) 1998-01-20 1999-01-20 Process for the preparation of a dielectric ceramic and barium titanate powder for such a process

Publications (1)

Publication Number Publication Date
DE19964161B4 true DE19964161B4 (en) 2005-03-10

Family

ID=34198491

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19964161A Expired - Lifetime DE19964161B4 (en) 1998-01-20 1999-01-20 Dielectric ceramic for a laminated ceramic electronic element e.g. a miniature capacitor

Country Status (1)

Country Link
DE (1) DE19964161B4 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4115493A (en) * 1976-08-19 1978-09-19 Murata Manufacturing Co., Ltd. Method for making a monolithic ceramic capacitor employing a non-reducing dielectric ceramic composition
JPH09241074A (en) * 1996-03-08 1997-09-16 Murata Mfg Co Ltd Nonreducible dielectric ceramic and laminated ceramic electronic parts using same
JPH09241075A (en) * 1996-03-08 1997-09-16 Murata Mfg Co Ltd Nonreducible dielectric ceramic and laminated ceramic electronic parts using same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4115493A (en) * 1976-08-19 1978-09-19 Murata Manufacturing Co., Ltd. Method for making a monolithic ceramic capacitor employing a non-reducing dielectric ceramic composition
JPH09241074A (en) * 1996-03-08 1997-09-16 Murata Mfg Co Ltd Nonreducible dielectric ceramic and laminated ceramic electronic parts using same
JPH09241075A (en) * 1996-03-08 1997-09-16 Murata Mfg Co Ltd Nonreducible dielectric ceramic and laminated ceramic electronic parts using same

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
J. Am. Ceram. Soc., 77 [12] 186-92 (1994) *
J. Am. Ceram. Soc., 80 [1] 106-12 (1997) *

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