JPH02129057A - Dielectric ceramic composition of high permittivity - Google Patents
Dielectric ceramic composition of high permittivityInfo
- 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
Links
- 239000000203 mixture Substances 0.000 title abstract 5
- 239000000919 ceramic Substances 0.000 title abstract 4
- 229910003301 NiO Inorganic materials 0.000 abstract 2
- 238000001354 calcination Methods 0.000 abstract 2
- YEXPOXQUZXUXJW-UHFFFAOYSA-N lead(II) oxide Inorganic materials 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BMIDgwLjksNDQuMiBMIDgwLjksNDQuMiBMIDgwLjksNDQuMSBMIDgwLjksNDQuMCBMIDc5LjksNDQuMCBaJyBzdHlsZT0nZmlsbDojMDAwMDAwO2ZpbGwtcnVsZTpldmVub2RkO2ZpbGwtb3BhY2l0eToxO3N0cm9rZTojMDAwMDAwO3N0cm9rZS13aWR0aDowLjBweDtzdHJva2UtbGluZWNhcDpidXR0O3N0cm9rZS1saW5lam9pbjptaXRlcjtzdHJva2Utb3BhY2l0eToxOycgLz4KPC9zdmc+Cg== [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 abstract 2
- GNRSAWUEBMWBQH-UHFFFAOYSA-N nickel(II) oxide Inorganic materials 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[Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 abstract 2
- 239000000843 powder Substances 0.000 abstract 2
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
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 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP63280812A Expired - Fee Related JP2523834B2 (en) | 1988-11-07 | 1988-11-07 | High dielectric constant dielectric ceramic composition |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006151491A (en) * | 2004-11-30 | 2006-06-15 | Yoshino Kogyosho Co Ltd | Cap with lid |
-
1988
- 1988-11-07 JP JP63280812A patent/JP2523834B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006151491A (en) * | 2004-11-30 | 2006-06-15 | Yoshino Kogyosho Co Ltd | Cap with lid |
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| Publication number | Publication date |
|---|---|
| JP2523834B2 (en) | 1996-08-14 |
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