JPH02129057A - Dielectric ceramic composition of high permittivity - Google Patents

Dielectric ceramic composition of high permittivity

Info

Publication number
JPH02129057A
JPH02129057A JP63280812A JP28081288A JPH02129057A JP H02129057 A JPH02129057 A JP H02129057A JP 63280812 A JP63280812 A JP 63280812A JP 28081288 A JP28081288 A JP 28081288A JP H02129057 A JPH02129057 A JP H02129057A
Authority
JP
Japan
Prior art keywords
dielectric ceramic
ceramic composition
high permittivity
apexes
pbo
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.)
Granted
Application number
JP63280812A
Other languages
Japanese (ja)
Other versions
JP2523834B2 (en
Inventor
Koji Kawakita
Ryo Kimura
Hideyuki Okinaka
Yoichiro Yokoya
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP63280812A priority Critical patent/JP2523834B2/en
Priority claimed from US07/432,880 external-priority patent/US5006956A/en
Publication of JPH02129057A publication Critical patent/JPH02129057A/en
Priority claimed from US07/649,463 external-priority patent/US5093757A/en
Application granted granted Critical
Publication of JP2523834B2 publication Critical patent/JP2523834B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

PURPOSE: To enable dense calcination at a low calcination temperature in a short time by adding specific amounts of PbO and NiO, as minor components, to a calcined powder high permittivity dielectric ceramic composition of Pb-Ti- Mg-Nb-Ni-W-O system.
CONSTITUTION: Preliminarily calcined dielectric ceramic composition represented by formula IV where x+y+z=1 is prepared so that the molar composition comes into the pentagonal area having the following apexes: A (x=2.5; y=95; z=2.5), B (x=2.5; y=85; z=2.5), C (x=60; y=10; z=30), D (x=40; y=10; z=50), and E (x=2.5; y=90; z=7.5) in the trilinear coordinate shown in the figure, with the apexes of formulas I, II and III. The calcined powder is combined with 1 to 25mole% of PbO and 1 to 15mole% of NiO, as minor components to produce the subject high permittivity dielectric ceramic composition.
COPYRIGHT: (C)1990,JPO&Japio
JP63280812A 1988-11-07 1988-11-07 High dielectric constant dielectric ceramic composition Expired - Fee Related JP2523834B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63280812A JP2523834B2 (en) 1988-11-07 1988-11-07 High dielectric constant dielectric ceramic composition

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP63280812A JP2523834B2 (en) 1988-11-07 1988-11-07 High dielectric constant dielectric ceramic composition
US07/432,880 US5006956A (en) 1988-11-07 1989-11-07 Dielectric ceramic composition
EP89311514A EP0368619B1 (en) 1988-11-07 1989-11-07 Dielectric ceramic composition
DE68926099T DE68926099T2 (en) 1988-11-07 1989-11-07 Dielectric ceramic composition
US07/649,463 US5093757A (en) 1988-11-07 1991-02-05 Dielectric ceramic composition

Publications (2)

Publication Number Publication Date
JPH02129057A true JPH02129057A (en) 1990-05-17
JP2523834B2 JP2523834B2 (en) 1996-08-14

Family

ID=17630322

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63280812A Expired - Fee Related JP2523834B2 (en) 1988-11-07 1988-11-07 High dielectric constant dielectric ceramic composition

Country Status (1)

Country Link
JP (1) JP2523834B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006151491A (en) * 2004-11-30 2006-06-15 Yoshino Kogyosho Co Ltd Cap with lid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006151491A (en) * 2004-11-30 2006-06-15 Yoshino Kogyosho Co Ltd Cap with lid

Also Published As

Publication number Publication date
JP2523834B2 (en) 1996-08-14

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees