CN104291809A - Preparation method of ultrahigh-temperature multi-layer ceramic capacitor medium - Google Patents
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Abstract
The invention discloses a preparation method of an ultrahigh-temperature multi-layer ceramic capacitor medium. The method comprises the following steps: firstly, burdening Na2CO3, Bi2O3 and TiO2 according to the mass percent of 3 to 15 to 10, and carrying out ball-milling, drying and calcining to obtain Na0.5Bi0.5TiO3 powder; burdening the powder with BaTiO3 and Nb2O5 according to the mass percent of (0.5-1.5) to (3-6) to (0.1-2) and carrying out ball-milling, drying and pre-sintering to prepare a clinker; in addition, preparing glass powder from 30wt% of ZnO, 20wt% of TiO2, 25wt% of SiO2 and 25wt% of H3BO3; on the basis of 100g of clinker, burdening 2-8g of ZnO, 2-8g of glass powder and 0.2-0.8g of Sm2O3, and carrying out ball-milling, drying and pelletizing, so as to prepare a green body; and sintering the green body at 1100-1150 DEG C, and then sintering and permeating to prepare an electrode, so as to prepare the ultrahigh-temperature multi-layer ceramic capacitor medium. The ceramic capacitor medium disclosed by the invention is ultra-wide in working temperature range (-55 DEG C to 450 DEG C), relatively high in dielectric constant (greater than 2500), relatively low in capacitance change rate (less than +/-15%), medium in sintering temperature (less than 1150 DEG C), relatively low in raw material cost, and free of toxic substances, and has a good application prospection.
Description
Technical field
The present invention relates to a kind of take composition as the ceramic composition of feature, and particularly one is with BaTiO
3-Na
0.5bi
0.5tiO
3-Nb
2o
5for the preparation method of the multilayer ceramic capacitor medium of unleaded, high-k, the high-temperature stable of matrix.
Background technology
Chip multilayer ceramic capacitor is the most basic components and parts of electronics, has and applies quite widely.Along with the widespread use of encapsulation technology, the electronic devices and components being applied to the field such as aerospace, petroleum prospecting need the ceiling temperature 200 DEG C-500 DEG C of work.Because its upper limit working temperature of traditional X7R, X8R and X9R type dielectric material is respectively 125 DEG C, 150 DEG C, 175 DEG C, does not mate with elevated operating temperature environment, limit the development of high-temperature electronic equipment.Along with the development of the communication technology, electronic devices and components are towards miniaturization, miniaturization.For realizing the miniaturization of electrical condenser, the specific inductivity improving dielectric material is the key of dealing with problems.In order to protect human environment and healthy, toxic materials is prohibited for electronic product.The cost of interior electrode directly decides the cost of MLCC, and in order to reduce the cost of MLCC, must use silver palladium alloy or fine silver electrode, this just significantly must reduce sintering temperature.Therefore, develop a kind of intermediate sintering temperature, environmental protection, high-k, high temperature stabilization type ceramic capacitor dielectric material are extremely urgent.
Summary of the invention
Object of the present invention, is overcome the shortcomings such as prior art working temperature is lower, specific inductivity is lower, provides the multilayer ceramic capacitor medium that a kind of excellent performance, upper limit working temperature are high, specific inductivity is high, dielectric loss is lower, sintering temperature is low.
The present invention is achieved by following technical solution.
A preparation method for ultrahigh temperature multi-layer ceramic condenser dielectric, has following steps:
(1) by Na
2cO
3, Bi
2o
3, TiO
23:15:10 batching by mass percentage, with deionized water mixing and ball milling 6h post-drying, in 800 DEG C of calcinings, obtained Na
0.5bi
0.5tiO
3powder;
(2) by Na obtained for step (1)
0.5bi
0.5tiO
3powder and BaTiO
3and Nb
2o
50.5 ~ 1.5:3 in mass ratio ~ 6:0.1 ~ 2 prepares burden, then with deionized water mixing and ball milling 4h, in 1000 DEG C of pre-burnings after oven dry, obtain frit;
(3) in addition, by raw materials quality degree, by 30wt%ZnO+20wt%TiO
2+ 25wt%SiO
2+ 25wt%H
3bO
3batching, with mixing and ball milling 4h in alcohol, then dry, melt quenching, levigate, sieve, obtained glass powder;
(4) frit step (2) obtained by 100g, additional 2 ~ 8g ZnO, 2 ~ 8g glass powder and 0.2 ~ 0.8g Sm
2o
3batching, dries with deionized water mixing and ball milling 4h;
(5) raw material that step (4) is dried is added the paraffin granulation that mass percent is 7%, then cross 1000 holes/cm
2sub-sieve, is pressed into green compact;
(6) green compact that step (5) is suppressed are warming up to 550 DEG C of de-waxings through 3.5h, then are warming up to 1100 ~ 1150 DEG C of sintering through 1 ~ 5h, insulation 0.5 ~ 3h;
(7) upper and lower surface of step (6) resulting product is evenly applied silver slurry, prepare electrode through 750 DEG C of burning infiltrations, obtained ultrahigh-temperature stabilization type ceramic capacitor medium;
(8) dielectric properties of this ceramic capacitor dielectric are tested.
The bake out temperature of described step (1) or step (2) or step (3) or step (5) is 120 DEG C.
Described step (5) is pressed into green compact under 4 ~ 10Mpa pressure
The operating temperature range ultra-wide (-55 DEG C ~ 450 DEG C) of medium material for multilayer ceramic capacitors disclosed by the invention, specific inductivity higher (> 2500), Capacitance Shift Rate less (< ± 15%), intermediate sintering temperature (< 1150 DEG C), and material cost is lower, not containing toxic substance, have a good application prospect.
Embodiment
The present invention is raw materials used is analytical pure raw material, and below by specific embodiment, the invention will be further described.
By Na
2cO
3, Bi
2o
3, TiO
23:15:10 batching by mass percentage, with deionized water mixing and ball milling 6h post-drying, in 800 DEG C of calcinings, obtained Na
0.5bi
0.5tiO
3powder; By Na
0.5bi
0.5tiO
3powder and BaTiO
3and Nb
2o
50.5 ~ 1.5:3 in mass ratio ~ 6:0.1 ~ 2 prepares burden, then with deionized water mixing and ball milling 4h, in 1000 DEG C of sintering after oven dry, obtain frit; Frit, by 100g, adds 2 ~ 8g ZnO, 2 ~ 8g glass powder, 0.2 ~ 1.0g Sm
2o
3batching; Described glass powder raw material composition and mass percent thereof are: 30%ZnO+22%TiO
2+ 25%SiO
2+ 25%H
3bO
3; Above-mentioned raw materials and deionized water mixing and ball milling 4h are dried; Again the raw material after oven dry is added the paraffin granulation that mass percent is 7%, then cross 1000 holes/cm
2sub-sieve, is pressed into green compact under 6Mpa pressure; Green compact were warming up to 550 DEG C of de-waxings through 3.5 hours, then were warming up to 1150 DEG C of sintering through 4 hours, insulation 0.5 ~ 3h; The upper and lower surface of resulting product is evenly applied silver slurry, prepare electrode through 800 DEG C of burning infiltrations, obtained high-k high-temperature stable multilayer ceramic capacitor medium.
Main technologic parameters and the dielectric properties thereof of the specific embodiment of the invention refer to table 1, table 2.
Table 1
Table 2
The operating temperature range of above-described embodiment all meets the job requirement of-55 DEG C ~ 450 DEG C.
The present invention is not limited to above-described embodiment, possible during the change of a lot of details, but therefore this do not run counter to scope and spirit of the present invention.
Claims (3)
1. a preparation method for ultrahigh temperature multi-layer ceramic condenser dielectric, has following steps:
(1) by Na
2cO
3, Bi
2o
3, TiO
23:15:10 batching by mass percentage, with deionized water mixing and ball milling 6h post-drying, in 800 DEG C of calcinings, obtained Na
0.5bi
0.5tiO
3powder;
(2) by Na obtained for step (1)
0.5bi
0.5tiO
3powder and BaTiO
3and Nb
2o
50.5 ~ 1.5:3 in mass ratio ~ 6:0.1 ~ 2 prepares burden, then with deionized water mixing and ball milling 4h, in 1000 DEG C of pre-burnings after oven dry, obtain frit;
(3) in addition, by raw materials quality degree, by 30wt%ZnO+20wt%TiO
2+ 25wt%SiO
2+ 25wt%H
3bO
3batching, with mixing and ball milling 4h in alcohol, then dry, melt quenching, levigate, sieve, obtained glass powder;
(4) frit step (2) obtained by 100g, additional 2 ~ 8g ZnO, 2 ~ 8g glass powder and 0.2 ~ 0.8g Sm
2o
3batching, dries with deionized water mixing and ball milling 4h;
(5) raw material that step (4) is dried is added the paraffin granulation that mass percent is 7%, then cross 1000 holes/cm
2sub-sieve, is pressed into green compact;
(6) green compact that step (5) is suppressed are warming up to 550 DEG C of de-waxings through 3.5h, then are warming up to 1100 ~ 1150 DEG C of sintering through 1 ~ 5h, insulation 0.5 ~ 3h;
(7) upper and lower surface of step (6) resulting product is evenly applied silver slurry, prepare electrode through 750 DEG C of burning infiltrations, obtained ultrahigh-temperature stabilization type ceramic capacitor medium;
(8) dielectric properties of this ceramic capacitor dielectric are tested.
2. the preparation method of a kind of ultrahigh temperature multi-layer ceramic condenser dielectric according to claim 1, it is characterized in that, the bake out temperature of described step (1) or step (2) or step (3) or step (4) is 120 DEG C.
3. the preparation method of a kind of ultrahigh temperature multi-layer ceramic condenser dielectric according to claim 1, is characterized in that, described step (5) is pressed into green compact under 4 ~ 10Mpa pressure.
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| CN104291809B CN104291809B (en) | 2016-04-20 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105016723A (en) * | 2015-07-01 | 2015-11-04 | 陕西科技大学 | Method for preparation of pure phase Na1/2Bi1/2TiO3 ceramic powder |
| CN105272227A (en) * | 2015-10-30 | 2016-01-27 | 天津大学 | Preparation method of mid-temperature sintered barium lead zirconate ceramic |
| CN113511893A (en) * | 2021-03-24 | 2021-10-19 | 广西大学 | BNT-based high-energy-density ceramic with three-layer structure and preparation method thereof |
| CN113896525A (en) * | 2021-11-09 | 2022-01-07 | 滁州学院 | Medium material with stable medium and low firing temperature and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1215038A (en) * | 1998-11-20 | 1999-04-28 | 清华大学 | Composition of temp.-stabilized type high dielectric multi-layer ceramic capacitor material and preparation process thereof |
| JP2003201172A (en) * | 2001-10-24 | 2003-07-15 | National Institute Of Advanced Industrial & Technology | Leadless piezoelectric porcelain composition and method of manufacturing the same |
| CN102206076A (en) * | 2011-03-18 | 2011-10-05 | 西南科技大学 | Preparation method of low temperature cofired ceramic applicable to microwave medium substrates |
| US8076257B1 (en) * | 2008-04-23 | 2011-12-13 | MRA Laboratories, Inc | High temperature ceramic dielectric composition and capacitors made from the composition |
| CN102584218A (en) * | 2012-02-14 | 2012-07-18 | 郴州功田电子陶瓷技术有限公司 | Environment-friendly microwave dielectric ceramic for L wave band |
| CN103864418A (en) * | 2014-02-27 | 2014-06-18 | 天津大学 | Preparation method of ceramic capacitor dielectric with high dielectric constant and ultra-wide working temperature |
-
2014
- 2014-09-26 CN CN201410505019.1A patent/CN104291809B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1215038A (en) * | 1998-11-20 | 1999-04-28 | 清华大学 | Composition of temp.-stabilized type high dielectric multi-layer ceramic capacitor material and preparation process thereof |
| JP2003201172A (en) * | 2001-10-24 | 2003-07-15 | National Institute Of Advanced Industrial & Technology | Leadless piezoelectric porcelain composition and method of manufacturing the same |
| US8076257B1 (en) * | 2008-04-23 | 2011-12-13 | MRA Laboratories, Inc | High temperature ceramic dielectric composition and capacitors made from the composition |
| CN102206076A (en) * | 2011-03-18 | 2011-10-05 | 西南科技大学 | Preparation method of low temperature cofired ceramic applicable to microwave medium substrates |
| CN102584218A (en) * | 2012-02-14 | 2012-07-18 | 郴州功田电子陶瓷技术有限公司 | Environment-friendly microwave dielectric ceramic for L wave band |
| CN103864418A (en) * | 2014-02-27 | 2014-06-18 | 天津大学 | Preparation method of ceramic capacitor dielectric with high dielectric constant and ultra-wide working temperature |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105016723A (en) * | 2015-07-01 | 2015-11-04 | 陕西科技大学 | Method for preparation of pure phase Na1/2Bi1/2TiO3 ceramic powder |
| CN105272227A (en) * | 2015-10-30 | 2016-01-27 | 天津大学 | Preparation method of mid-temperature sintered barium lead zirconate ceramic |
| CN113511893A (en) * | 2021-03-24 | 2021-10-19 | 广西大学 | BNT-based high-energy-density ceramic with three-layer structure and preparation method thereof |
| CN113896525A (en) * | 2021-11-09 | 2022-01-07 | 滁州学院 | Medium material with stable medium and low firing temperature and preparation method thereof |
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