CN107093489A - A kind of inductance silver paste of inner electrode and preparation method thereof - Google Patents
A kind of inductance silver paste of inner electrode and preparation method thereof Download PDFInfo
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- CN107093489A CN107093489A CN201710313940.XA CN201710313940A CN107093489A CN 107093489 A CN107093489 A CN 107093489A CN 201710313940 A CN201710313940 A CN 201710313940A CN 107093489 A CN107093489 A CN 107093489A
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- silver
- silver paste
- inner electrode
- silver powder
- inductance
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/14—Conductive material dispersed in non-conductive inorganic material
- H01B1/16—Conductive material dispersed in non-conductive inorganic material the conductive material comprising metals or alloys
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
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- Manufacturing & Machinery (AREA)
- Coils Or Transformers For Communication (AREA)
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Abstract
The present invention relates to the technical field of electronic materials of electronic component, more particularly to a kind of inductance silver paste of inner electrode and preparation method thereof.The weight proportion of silver paste of inner electrode is：Crystallize silver powder 35% 60%；Micro silver powder 15% 40.5%；Aoxidize silver powder 5% 15%；Glass or inorganic oxide 0.01% 0.5%；Ethyl cellulose 1% 5%；One or more of 1% the 5% of alcohols solvent；One or more of 1% the 10% of esters solvent；Rosin 0.5% 5%, the percentage by weight sum of each component is 100%.Described crystallization silver powder particle diameter is 1.0 3.0 microns, and micro silver powder particle diameter is 0.05 0.15 microns；Silver oxide particle diameter is 0.05 0.15 microns；Glass or inorganic oxide particle diameter are 0.1 5 microns.The silver paste of the present invention is passed through dumping with porcelain body and burnt till with reference to fine and close, occurs without the problem of being split outside porcelain body with electrode implosion.Silver paste resistivity is low, and the D.C. resistance RDC of the inductor product produced using this silver paste is small.
Description
Technical field
The present invention relates to the technical field of electronic materials of electronic component, more particularly to a kind of inductance silver paste of inner electrode
And preparation method thereof.
Background technology
With the high speed development of the electronics and information industries such as mobile phone, computer, electronic component is constantly to miniaturization, light weight
Change, high performance, high reliability development.In recent years, with laminated inductance at home technology continue to develop with it is ripe, it is used
The situation advanced by leaps and bounds all is presented in amount and yield at home.But while laminating inductance manufacturer measures on constantly at home, there is two
Individual problem also annoyings us always：One is to burn till the quality problems that rear porcelain body cracking ftractures with electrode；One D.C. resistance
High RDC technical problem, and the two problems are required for coordinating and develop its main raw material --- silver paste of inner electrode is solved.
Therefore for domestic inductor product, urgent need will be developed together with material manufacturer and burn till contraction with oneself dielectric layer
With functional, do not ftracture, the silver paste of inner electrode raw material that D.C. resistance is small, it is excellent to improve competition of the product in international market
Gesture.
The content of the invention
For above-mentioned technological deficiency, fine and close and resistance is combined with porcelain body the technical problem to be solved in the present invention is to provide one kind
The low silver paste of rate.
The technical problem to be solved in the present invention is achieved through the following technical solutions：A kind of inductance silver paste of inner electrode,
Its weight proportion is：Crystallize silver powder 35%-60%, micro silver powder 15%-40.5%, oxidation silver powder 5%-15%, glass or inorganic
Oxide 0.01%-0.5%, ethyl cellulose 1%-5%, one or more of 1%-5% of alcohols solvent, the one of esters solvent
Plant or several 1%-10%, rosin 0.5%-5%, the percentage by weight sum of each component is 100%.Described crystallization silver powder grain
Footpath is 1.0-3.0 microns, and micro silver powder particle diameter is 0.05-0.15 microns；Silver oxide particle diameter is 0.05-0.15 microns；Glass or nothing
Machine oxide diameter sizes be 0.1-5 microns, the inorganic oxide be di-iron trioxide, nickel sesquioxide, cupric oxide, zinc oxide,
At least one of bismuth oxide.
The preparation method of above-mentioned inductance silver paste of inner electrode：Interior electrode silver is fabricated to according to the conventional slurry technological process of production
Slurry, i.e.,：First by solvent, resin and organic additive, organic carrier is prepared into；Slurry is matched somebody with somebody after honest material by formula again, using dynamic
Power mixing and blending machine is mixed, and is recycled three-roll grinder to be fully ground roller think of, is reached certain fineness, viscosity requirement, then
By filtering, adjust, bottling is formed inductance silver paste of inner electrode.
Compared with prior art, addition weight is taken than the silver oxide scheme for 5%-15% ratios, solves to split outside porcelain body
The problem of with electrode implosion.It is suitable with the porcelain body dump temperature of inductance because 250 degree of the decomposition temperature of silver oxide, silver oxide point
Solution has oxygen releasing, and the dumping of product is the process of an oxygen uptake, therefore a certain proportion of silver oxide of addition is conducive in dumping
Organically decompose, and then reduce slurry and occur the probability being layered because of dumping.Improve the organic solid content of slurry and reach 3%-5%,
Improve the shrinkage factor of slurry, make slurry percent of firing shrinkage and medium percent of firing shrinkage matching property it is good, to reduce or cut
Except slurry burns till the stress between the electrode layer formed afterwards and dielectric layer, solve what electrode cracking ftractureed with porcelain body so as to reach
Problem.A certain proportion of glass dust or inorganic oxide are added, the inter-layer bonding force between electrode layer and dielectric layer is improved, solved
The lamination problem that electrode occurs with dielectric layer after burning till.Organic carrier is prepared using ethyl cellulose, printed electrode complete, full
It is full, occur without and extend out, under identical condition, can improve product stays side to measure, so as to also reach that reduction porcelain body burns till cracking
Probability.The technical scheme of reduction D.C. resistance is the weight proportion of this several material：Crystallize silver powder 35%-60%；Silver is micro-
Powder 15%-40.3%；Crystallize 1.0-3.0 microns of silver powder particle diameter, 0.05-0.15 microns of super fine silver powder particle diameter.Using crystallization silver powder
Arranged in pairs or groups with micro silver powder size silver powder, the effect burnt till compactness, reach low-resistivity of silver electrode is improved, to meet high-quality electricity
Feel the low D.C. resistance RDC of product demand.
Embodiment：
Present subject matter is the rational proportion by regulating and controlling crystallization silver powder, micro silver powder, oxidation silver powder, organic carrier, selection
Appropriate particle size, obtains superior performance, electrode paste in low resistance film sense.Silver paste after lamination passes through dumping with burning till with porcelain body
With reference to densification, the problem of being split outside porcelain body with electrode implosion is occurred without.The direct current of silver paste resistivity and inductor product is reduced simultaneously
Resistance.Proportioning content mentioned in embodiment not limitation of the invention, it is other that silver paste formula is made under present inventive concept
Selection can suit measures to local conditions and have no substantial effect to result.
The design of preferred embodiment formula is as shown in table 1：
Table 1：
The inorganic oxide is at least one in di-iron trioxide, nickel sesquioxide, cupric oxide, zinc oxide, bismuth oxide
Kind.They can mix according to arbitrary proportion, and this mixing is the means that those skilled in the art commonly use.
By the proportioning material of above-described embodiment, silver paste of inner electrode is fabricated to according to the conventional slurry technological process of production, will
Slurry is matched somebody with somebody after honest material by formula, is mixed using power mixing and blending machine, is recycled three-roll grinder to be fully ground roller think of, is reached
To certain fineness, viscosity requirement, then by filtering, adjust, bottling is formed inductance silver paste of inner electrode.The silver of gained
Inductor product, the product obtained by each embodiment is made in the laminated inductance preparation method that slurry is also commonly used according to those skilled in the art
10 are taken, its test performance is as shown in table 2：
Table 2：
Inductor product specification is in embodiment：GZ1608D102, stays side to measure 13-150 microns, D.C. resistance criterion of acceptability：
≤ 600m Ω impedance criterion of acceptability：760-1240Ω)
As can be seen from the above Table 2, after the slurry obtained by the present invention is combined with general inductance porcelain body, by dumping, burn
Into after process, silver paste is combined densification with porcelain body, occurs without the problem of being split outside porcelain body with electrode implosion.While silver paste resistivity and electricity
The D.C. resistance for feeling product is low.
Claims (6)
1. a kind of inductance silver paste of inner electrode, its weight proportion is：Crystallize silver powder 35%-60%, micro silver powder 15%-40.5%,
Aoxidize silver powder 5%-15%, glass or inorganic oxide 0.01%-1%, ethyl cellulose 1%-5%；One kind of alcohols solvent
Or several 1%-5%；One or more of 1%-10% of esters solvent；Rosin 0.5%-5%, the percentage by weight of each component it
With for 100%.
2. inductance silver paste of inner electrode according to claim 1, it is characterised in that：The particle diameter of the silver powder is 1.0-3.0
Micron.
3. inductance silver paste of inner electrode according to claim 1, it is characterised in that：The micro silver powder particle diameter is 0.05-
0.15 micron.
4. inductance silver paste of inner electrode according to claim 1, it is characterised in that：The silver oxide particle diameter is 0.05-
0.15 micron.
5. inductance silver paste of inner electrode according to claim 1, it is characterised in that：Glass or the inorganic oxide particle diameter
For 0.1-5 microns, the inorganic oxide be in di-iron trioxide, nickel sesquioxide, cupric oxide, zinc oxide, bismuth oxide extremely
Few one kind.
6. a kind of method for preparing any one of claim 1-5 inductance silver paste of inner electrode：Silver powder, ultra-fine silver are crystallized before this
Powder, micro silver powder, glass inorganic oxide and organic carrier dispensing by weight ratio, then divided using power mixing and blending machine
Dissipate, then be ground and then filter, adjust, pack using three-high mill.
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| CN201710313940.XA CN107093489B (en) | 2017-05-05 | 2017-05-05 | A kind of inductance silver paste of inner electrode and preparation method thereof |
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| CN107093489B CN107093489B (en) | 2019-04-05 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616242A (en) * | 2018-11-05 | 2019-04-12 | 肇庆市辰业电子有限公司 | A kind of inductance is with exempting to plate termination electrode silver paste |
| CN109659066A (en) * | 2019-01-10 | 2019-04-19 | 四川东树新材料有限公司 | A kind of front side silver paste being used to prepare PERC silicon solar cell |
| CN109754906A (en) * | 2019-03-11 | 2019-05-14 | 肇庆市辰业电子有限公司 | A kind of sensitive components electrode size and preparation method thereof |
| CN109767857A (en) * | 2019-03-11 | 2019-05-17 | 肇庆市辰业电子有限公司 | A kind of circle is aobvious to put silver paste and preparation method thereof |
| CN109859878A (en) * | 2019-02-22 | 2019-06-07 | 肇庆市辰业电子有限公司 | A kind of 5G base of ceramic filter high q-factor electrode silver plasm and preparation method thereof |
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| CN101599349A (en) * | 2009-04-14 | 2009-12-09 | 贵阳晶华电子材料有限公司 | Silver paste of inner electrode for chip inductor and preparation method thereof |
| CN102842353A (en) * | 2012-08-14 | 2012-12-26 | 廖晓峰 | Electrocondution slurry for chip component termination electrode |
| CN103000251A (en) * | 2012-11-10 | 2013-03-27 | 江苏瑞德新能源科技有限公司 | Solar cell silver-backed slurry with wide sintering process window |
| WO2016110771A1 (en) * | 2015-01-09 | 2016-07-14 | 株式会社半導体エネルギー研究所 | Storage battery electrode, manufacturing method for same, storage battery, and electronic device |
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| CN101136261A (en) * | 2007-07-06 | 2008-03-05 | 广东风华高新科技股份有限公司 | Copper electrode slurry material and manufacturing method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616242A (en) * | 2018-11-05 | 2019-04-12 | 肇庆市辰业电子有限公司 | A kind of inductance is with exempting to plate termination electrode silver paste |
| CN109659066A (en) * | 2019-01-10 | 2019-04-19 | 四川东树新材料有限公司 | A kind of front side silver paste being used to prepare PERC silicon solar cell |
| CN109659066B (en) * | 2019-01-10 | 2020-04-17 | 四川东树新材料有限公司 | Front silver paste for preparing PERC silicon solar cell |
| CN109859878A (en) * | 2019-02-22 | 2019-06-07 | 肇庆市辰业电子有限公司 | A kind of 5G base of ceramic filter high q-factor electrode silver plasm and preparation method thereof |
| CN109754906A (en) * | 2019-03-11 | 2019-05-14 | 肇庆市辰业电子有限公司 | A kind of sensitive components electrode size and preparation method thereof |
| CN109767857A (en) * | 2019-03-11 | 2019-05-17 | 肇庆市辰业电子有限公司 | A kind of circle is aobvious to put silver paste and preparation method thereof |
| CN109767857B (en) * | 2019-03-11 | 2020-06-19 | 肇庆市辰业电子有限公司 | Round display point silver paste and preparation method thereof |
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