CN106935308A - It is applied to grout conductive silver paste of LTCC and preparation method thereof - Google Patents
It is applied to grout conductive silver paste of LTCC and preparation method thereof Download PDFInfo
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- CN106935308A CN106935308A CN201511024177.6A CN201511024177A CN106935308A CN 106935308 A CN106935308 A CN 106935308A CN 201511024177 A CN201511024177 A CN 201511024177A CN 106935308 A CN106935308 A CN 106935308A
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- grout
- silver paste
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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
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of 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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Abstract
The present invention provide it is a kind of be applied to grout conductive silver paste of LTCC and preparation method thereof, the grout conductive silver paste by quality ratio, including following components：80% ~ 95% Argent grain, 0% ~ 10% inorganic additive, 1% ~ 15% carrier, 0.3 ~ 1% auxiliary agent and 0.5% ~ 5% solvent.Grout conductive silver paste of the invention has " the CaO B with the dependable performance under high frequency condition2O3‑SiO2" etc. system film strips co-fire match it is good, the advantages of grout compactness is good, electric conductivity is excellent.The inventive method step is simple, easily realizes industrialization.
Description
Technical field
The present invention relates to a kind of electrocondution slurry and preparation method thereof, more particularly to a kind of grout for being applied to LTCC is led
Electric silver paste and preparation method thereof.
Background technology
With developing rapidly for modern information technologies, miniaturization, facilitation to electronic product, multi-functional, highly reliable propose
Demand, LTCC Technology (Low temperature co-fired ceramic, LTCC) is that one kind of rising in recent years is made us
The integrated assembly technology of the multi-crossed disciplines attracted attention, because of its excellent electronics, that thermo-mechanical property has turned into future electronic element is integrated
Change, modular first-selection.LTCC low dielectric constant microwave dielectric material high frequency is the inexorable trend of microwave device development,
And low-k, low-loss are the design basis of device, especially in Military Application field.
During LTCC low dielectric constant microwave dielectric materials applications, grout conductive silver paste is needed to connect in most cases
The upper and lower two-layer electrode of film strips.However, existing grout conductive silver paste and LTCC low dielectric constant microwave dielectrics material matching,
It is not fully up to expectations on grout compactness, electric conductivity.Wherein, the schematic diagram of grout conductive silver paste is as shown in figure 1, general next
Say, including film strips 10, and the grout conductive silver paste 20 between film strips.In addition,
It is therefore an object of the present invention to provide a kind of grout conductive silver paste and preparation method thereof, the grout conductive silver paste needs tool
There is " the CaO-B with the dependable performance under high frequency condition2O3-SiO2" etc. system film strips co-fire match is good, grout compactness is good, lead
Excellent electrical property and it is cost-effective the advantages of.
The content of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of grout for being applied to LTCC
Conductive silver paste and preparation method thereof, it has " the CaO-B with the dependable performance under high frequency condition2O3-SiO2" etc. system film strips burn altogether
The advantages of matching is good, grout compactness is good, electric conductivity is excellent.In order to achieve the above objects and other related objects, the present invention
A kind of grout conductive silver paste for being applied to LTCC is provided, the grout conductive silver paste by quality ratio, including with the following group
Point：80%~95% Argent grain, 0%~10% inorganic additive, 1%~15% carrier, 0.3~1% auxiliary agent and
0.5%~5% solvent.
Used as a kind of preferred scheme of the grout conductive silver paste for being applied to LTCC of the invention, the morphologies are ball
One or two mixing in shape and sheet；Particle size is selected from D50 is between 1~3 micron and D90 is not more than 5 microns of silver
Powder.
As a kind of preferred scheme of the grout conductive silver paste for being applied to LTCC of the invention, the inorganic additive
In parts by weight, including following components：0~50 part of Al2O3, 0~40 part of SiO2, 0~35 part of Bi2O3, 0~45 part
CaCO3And 0~15 part of SrCaO3。
Used as a kind of preferred scheme of the grout conductive silver paste for being applied to LTCC of the invention, the carrier is with mass ratio
Meter, including following components mixing：10~30% Special Resin and 90%~70% solvent.
Further, the Special Resin is mixed above selected from the one or two kinds of of esters, alkoxide and cellulose family, institute
State the one or two kinds of mixing that solvent is selected from alcohols and ethers.
As a kind of preferred scheme of the grout conductive silver paste for being applied to LTCC of the invention, the auxiliary agent into subpackage
Include silane coupler.
Used as a kind of preferred scheme of the grout conductive silver paste for being applied to LTCC of the invention, the solvent is selected from alcohols
And the one or two kinds of mixing of ethers.
Further, the alcohols includes terpinol, the mixing of butyl carbitol acetate one or two kinds of, the ethers includes
Butyl, diethylene glycol ether, butyl acetate one or two kinds of are mixed above.
The present invention also provides a kind of preparation method of the grout conductive silver paste for being applied to LTCC, including step：
Step 1), proportionally raw material is mixed in the mixing plant with cooling system；
Step 2), the slurry in mixing plant is taken out, disperseed on cooling system grinder；
Step 3), use screen pack to filter the slurry after dispersion to obtain grout conductive silver paste；
As a kind of preferred scheme of the preparation method of the grout conductive silver paste for being applied to LTCC of the invention, wherein：
Step 1) in, the incorporation time of selection is 20~60 minutes；
Step 2) in, at no more than 5 microns, the range of viscosities control of slurry exists for the fineness of dispersion control of the slurry
500~1500Kcps；
Step 3) in, the screen pack for using is 325 mesh screen packs；
As described above, present invention offer is a kind of to be applied to grout conductive silver paste of LTCC and preparation method thereof, the filling
Hole conductive silver paste by quality ratio, including following components：80%~95% Argent grain, 0%~10% inorganic additive,
1%~15% carrier, 0.3~1% auxiliary agent and 0.5%~5% solvent.Grout conductive silver paste of the invention have with height
" the CaO-B of dependable performance under the conditions of frequency2O3-SiO2" etc. system film strips co-fire match it is good, grout compactness is good, electric conductivity
Excellent and cost-effective the advantages of.The inventive method step is simple, easily realizes industrialization.
Brief description of the drawings
Fig. 1 is shown as the structural representation formed after grout conductive silver paste burns altogether with film strips.
The step of Fig. 2 is shown as the preparation method of the grout conductive silver paste for being applied to LTCC of the invention flow is illustrated
Figure.
Component label instructions
S11~S13 steps 1)~step 3)
Specific embodiment
Embodiments of the present invention are illustrated below by way of specific instantiation, those skilled in the art can be as disclosed by this specification
Content understand other advantages of the invention and effect easily.The present invention can also add by way of a different and different embodiment
To implement or apply, the various details in this specification can also be based on different viewpoints and application, without departing from essence of the invention
Various modifications or alterations are carried out under god.
Refer to Fig. 2.It should be noted that the diagram provided in the present embodiment only illustrates of the invention basic in a schematic way
Conception, component count, shape and size when only display is with relevant component in the present invention rather than according to actual implementation in schema then
Draw, it is actual when the implementing kenel of each component, quantity and ratio can be a kind of random change, and its assembly layout kenel
It is likely more complexity.
Embodiment 1
The present embodiment provides a kind of grout conductive silver paste for being applied to LTCC, the grout conductive silver paste by quality ratio,
Including following components：80% Argent grain, 10% inorganic additive, 5% carrier, 0.5% auxiliary agent and 4.5%
Solvent.
As an example, the Argent grain is selected from pattern for spherical, particle size be selected from D50 between 1~3 micron and D90 not
Silver powder more than 5 microns.
As an example, the inorganic additive is in parts by weight, including following components：25 parts of Al2O3, 30 parts of SiO2、
10 parts of Bi2O3, 25 parts of CaCO3And 10 parts of SrCaO3。
As an example, the carrier is by quality ratio, including following components mixing：30% Special Resin and 70%
Solvent.Further, the Special Resin is selected from esters, and the solvent is selected from alcohols.
As an example, the composition of the auxiliary agent is silane coupler.
As an example, the solvent is selected from alcohols, specially terpinol.
As shown in Fig. 2 the present embodiment provides a kind of preparation method of the grout conductive silver paste for being applied to LTCC, including
Step：
First, step 1 is carried out as shown in Figure 2) S11, proportionally raw material is carried out in the mixing plant with cooling system
Mixing, in the present embodiment, the incorporation time of selection is 20~60 minutes, specially 30 minutes；
Then, step 2 is carried out as shown in Figure 2) S12, the slurry in mixing plant is taken out, with cooling system grinder
On disperseed, specifically, at no more than 5 microns, the range of viscosities control of slurry exists the control of the fineness of dispersion of the slurry
500~1500Kcps；
Then, step 3 is carried out as shown in Figure 2) S13, use screen pack to filter the slurry after dispersion and led with obtaining grout
Electric silver paste, specifically, the screen pack for using is 325 mesh screen packs.
Proved by testing, the grout conductive silver paste for being applied to LTCC of the present embodiment, with " CaO-B2O3-SiO2" body
Mesentery band matching performance is good, and without cracking, warpage, compactness is good after grout and after sintering, and conductive resistance is less than 3m Ω/sq/mil.
Embodiment 2
The present embodiment provides a kind of grout conductive silver paste for being applied to LTCC, the grout conductive silver paste by quality ratio,
Including following components：95% Argent grain, 1% inorganic additive, 1% carrier, 0.3% auxiliary agent and 2.7%
Solvent.
As an example, the Argent grain be selected from pattern be sheet, particle size be selected from D50 between 1~3 micron and D90 not
Silver powder more than 5 microns.
As an example, the inorganic additive is in parts by weight, including following components：20 parts of Al2O3, 35 parts of SiO2、
10 parts of Bi2O3, 20 parts of CaCO3And 15 parts of SrCaO3。
As an example, the carrier is by quality ratio, including following components mixing：10% Special Resin and 90%
Solvent.Further, the Special Resin is selected from alkoxide, and the solvent is selected from ethers.
As an example, the composition of the auxiliary agent includes silane coupler.
As an example, the solvent is selected from ethers, specially butyl.
As shown in Fig. 2 the present embodiment provides a kind of preparation method of the grout conductive silver paste for being applied to LTCC, including
Step：
First, step 1 is carried out as shown in Figure 2) S11, proportionally raw material is carried out in the mixing plant with cooling system
Mixing, in the present embodiment, the incorporation time of selection is 20~60 minutes, specially 30 minutes；
Then, step 2 is carried out as shown in Figure 2) S12, the slurry in mixing plant is taken out, with cooling system grinder
On disperseed, specifically, at no more than 5 microns, the range of viscosities control of slurry exists the control of the fineness of dispersion of the slurry
500~1500Kcps；
Then, step 3 is carried out as shown in Figure 2) S13, use screen pack to filter the slurry after dispersion and led with obtaining grout
Electric silver paste, specifically, the screen pack for using is 325 mesh screen packs.
Embodiment 3
The present embodiment provides a kind of grout conductive silver paste for being applied to LTCC, the grout conductive silver paste by quality ratio,
Including following components：85% Argent grain, 5% inorganic additive, 6% carrier, 1% auxiliary agent and 3% it is molten
Agent.
As an example, the Argent grain size is selected from, and D50 is between 1~3 micron and D90 is not more than 5 microns of silver powder, shape
Looks are 50 parts of sheet, spherical 50 parts.
As an example, the inorganic additive is in parts by weight, including following components：40 parts of Al2O3, 15 parts of SiO2、
35 parts of Bi2O3, 5 parts of CaCO3And 5 parts of SrCaO3。
As an example, the carrier is by quality ratio, including following components mixing：20% Special Resin and 80%
Solvent.Further, the Special Resin is cellulose family, and the solvent is alcohols.
As an example, the composition that the master helps includes silane coupler.
As an example, the solvent is selected from alcohols, specially terpinol.
As shown in Fig. 2 the present embodiment provides a kind of preparation method of the grout conductive silver paste for being applied to LTCC, including
Step：
First, step 1 is carried out as shown in Figure 2) S11, proportionally raw material is carried out in the mixing plant with cooling system
Mixing, in the present embodiment, the incorporation time of selection is 20~60 minutes, specially 30 minutes；
Then, step 2 is carried out as shown in Figure 2) S12, the slurry in mixing plant is taken out, with cooling system grinder
On disperseed, specifically, at no more than 5 microns, the range of viscosities control of slurry exists the control of the fineness of dispersion of the slurry
500~1500Kcps；
Then, step 3 is carried out as shown in Figure 2) S13, use screen pack to filter the slurry after dispersion and led with obtaining grout
Electric silver paste, specifically, the screen pack for using is 325 mesh screen packs.
As described above, present invention offer is a kind of to be applied to grout conductive silver paste of LTCC and preparation method thereof, the filling
Hole conductive silver paste is starched by quality ratio, including following components：80%~95% Argent grain, 0%~10% inorganic additive,
1%~15% carrier, 0.3~1% auxiliary agent and 0.5%~5% solvent.Grout conductive silver paste of the invention have with height
" the CaO-B of dependable performance under the conditions of frequency2O3-SiO2" etc. system film strips co-fire match it is good, grout compactness is good, electric conductivity
Excellent and cost-effective the advantages of.The inventive method step is simple, easily realizes industrialization.So, the present invention effectively overcomes
Various shortcoming of the prior art and have high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any to be familiar with this skill
The personage of art all can carry out modifications and changes under without prejudice to spirit and scope of the invention to above-described embodiment.Therefore, such as
Those of ordinary skill in the art completed under without departing from disclosed spirit and technological thought all etc.
Effect modifications and changes, should be covered by claim of the invention.
Claims (10)
1. a kind of grout conductive silver paste for being applied to LTCC, it is characterised in that the grout conductive silver paste by quality ratio,
Including following components：80%~95% Argent grain, 0%~10% inorganic additive, 1%~15% carrier, 0.3~1%
Auxiliary agent and 0.5%~5% solvent.
2. the grout conductive silver paste for being applied to LTCC according to claim 1, it is characterised in that：The morphologies
It is one or two mixing in spherical and sheet；Particle size is selected from D50 is between 1~3 micron and D90 is not more than 5
The silver powder of micron.
3. the grout conductive silver paste for being applied to LTCC according to claim 1, it is characterised in that：The inorganic matter adds
Plus agent is in parts by weight, including following components：0~50 part of Al2O3, 0~40 part of SiO2, 0~35 part of Bi2O3、
0~45 part of CaCO3And 0~15 part of SrCaO3。
4. the grout conductive silver paste for being applied to LTCC according to claim 1, it is characterised in that：The carrier is with matter
Amount than meter, including following components mixing：10~30% Special Resin and 90%~70% solvent.
5. the grout conductive silver paste for being applied to LTCC according to claim 4, it is characterised in that：The Special Resin
One or two kinds of selected from esters, alkoxide and cellulose family is mixed above, and the solvent is selected from the one of alcohols and ethers
Plant or two kinds of mixing.
6. the grout conductive silver paste for being applied to LTCC according to claim 1, it is characterised in that：The auxiliary agent into
Dividing includes silane coupler.
7. the grout conductive silver paste for being applied to LTCC according to claim 1, it is characterised in that：The solvent is selected from
Alcohols and ethers one or two.
8. the grout conductive silver paste for being applied to LTCC according to claim 7, it is characterised in that：The alcohols includes
Terpinol, the mixing of butyl carbitol acetate one or two kinds of, the ethers include butyl, diethylene glycol second
Ether, butyl acetate one or two kinds of are mixed above.
9. the preparation method of a kind of grout conductive silver paste for being applied to LTCC as described in claim 1~8 any one, its
It is characterised by, including step：
Step 1), proportionally raw material is mixed in the mixing plant with cooling system；
Step 2), the slurry in mixing plant is taken out, disperseed on cooling system grinder；
Step 3), use screen pack to filter the slurry after dispersion to obtain grout conductive silver paste.
10. the preparation method of the grout conductive silver paste for being applied to LTCC according to claim 9, it is characterised in that：
Step 1) in, the incorporation time of selection is 20~60 minutes；
Step 2) in, at no more than 5 microns, the range of viscosities control of slurry exists for the fineness of dispersion control of the slurry
500~1500Kcps；
Step 3) in, the screen pack for using is 325 mesh screen packs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511024177.6A CN106935308A (en) | 2015-12-30 | 2015-12-30 | It is applied to grout conductive silver paste of LTCC and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511024177.6A CN106935308A (en) | 2015-12-30 | 2015-12-30 | It is applied to grout conductive silver paste of LTCC and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111276281A (en) * | 2020-03-17 | 2020-06-12 | 成都银盛新材料有限公司 | Conductive silver paste for internal electrode of low-dielectric-constant LTCC (Low temperature Co-fired ceramic) ceramic body |
| CN112071464A (en) * | 2020-09-09 | 2020-12-11 | 西安宏星电子浆料科技股份有限公司 | Co-fired hole-filling conductor slurry and preparation method thereof |
| CN118486498A (en) * | 2024-07-11 | 2024-08-13 | 深圳市深云基新材料科技有限公司 | Hole-filling conductive silver paste applied to ceramic packaging and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111276281A (en) * | 2020-03-17 | 2020-06-12 | 成都银盛新材料有限公司 | Conductive silver paste for internal electrode of low-dielectric-constant LTCC (Low temperature Co-fired ceramic) ceramic body |
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| CN118486498A (en) * | 2024-07-11 | 2024-08-13 | 深圳市深云基新材料科技有限公司 | Hole-filling conductive silver paste applied to ceramic packaging and preparation method thereof |
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Application publication date: 20170707 |