CN104200865B - It is a kind of applied to surface conductance gold paste of LTCC and preparation method thereof - Google Patents
It is a kind of applied to surface conductance gold paste of LTCC and preparation method thereof Download PDFInfo
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- CN104200865B CN104200865B CN201410384558.4A CN201410384558A CN104200865B CN 104200865 B CN104200865 B CN 104200865B CN 201410384558 A CN201410384558 A CN 201410384558A CN 104200865 B CN104200865 B CN 104200865B
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Abstract
The present invention provides a kind of applied to surface conductance gold paste of LTCC and preparation method thereof, the surface conductance gold paste by quality ratio, including following components：65% ~ 91% gold grain, 0% ~ 10% inorganic additive, 5% ~ 25% carrier, 0.3 ~ 1% auxiliary agent and 0.5% ~ 5% solvent.The surface conductance gold paste of the present invention has " the CaO B with the dependable performance under high frequency condition2O3‑SiO2" etc. system film strips co-fire match it is good, printing is good, electric conductivity is excellent and beats the advantages of gold thread intensity is high.The inventive method step is simple, easily realizes industrialization.
Description
Technical field
It is more particularly to a kind of applied to LTCC the present invention relates to a kind of electrocondution slurry and preparation method thereof
Surface conductance gold paste and preparation method thereof.
Background technology
With developing rapidly for modern information technologies, to the miniaturization of electronic product, facilitation, multi-functional, highly reliable carry
Demand is gone out, LTCC Technology (Low temperature co-fired ceramic, LTCC) is rising in recent years
A kind of multi-crossed disciplines attracted people's attention integrated assembly technology, because its excellent electronics, thermo-mechanical property turn into future
Electronic component integration, modular first choice.LTCC low dielectric constant microwave dielectric material high frequency is microwave device development
Inexorable trend, 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, need in most cases in ceramic membrane band table
The conductive gold paste of face printing.However, existing conductive gold paste is being matched, printed with LTCC low dielectric constant microwave dielectrics material
It is not fully up to expectations in upper, bond strength or electric conductivity.Wherein, the schematic diagram of surface conductor gold paste is as shown in figure 1, general next
Say, including film strips 10, and it is printed in the film strips surface upper conductor gold paste 20.
It is therefore an object of the present invention to which there is provided kind of surface conductance gold paste and preparation method thereof, the surface conductance gold paste is needed
There is " the CaO-B with the dependable performance under high frequency condition2O3-SiO2" etc. system film strips co-fire match is good, printing is good,
Electric conductivity is excellent and beats the advantages of gold thread intensity is high.
The content of the invention
The shortcoming of prior art, LTCC is applied to it is an object of the invention to provide one kind in view of the above
Surface conductance gold paste and preparation method thereof, it has and the body such as " CaO-B2O3-SiO2 " of dependable performance under high frequency condition
Mesentery band co-fire match is good, printing is good, electric conductivity is excellent and beats the advantages of gold thread intensity is high.
In order to achieve the above objects and other related objects, the present invention provides a kind of surface applied to LTCC and led
Electric gold paste, the surface conductance gold paste by quality ratio, including following components：65%~91% gold grain, 0%~10%
Inorganic additive, 5%~25% carrier, 0.3~1% auxiliary agent and 0.5%~5% solvent.
It is used as a kind of preferred scheme of the surface conductance gold paste applied to LTCC of the present invention, the gold grain
Pattern is one or two kinds of mixing in spherical and sheet；Particle size is selected from D50 is between 1~3 micron and D90 is not more than 5
The bronze of micron.
It is used as a kind of preferred scheme of the surface conductance gold paste applied to LTCC of the present invention, the inorganic matter
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
The CaCO of part3And 0~15 part of SrCaO3。
As the present invention the surface conductance gold paste applied to LTCC a kind of preferred scheme, the carrier with
Mass ratio meter, includes the mixing of following components：10~30% Special Resin and 90%~70% solvent.
Further, the Special Resin is selected from more than the one or two kinds of of esters, alkoxide and cellulose family and mixed
Close, the solvent is selected from the one or two kinds of mixing of alcohols and ethers.
As a kind of preferred scheme of the surface conductance gold paste applied to LTCC of the present invention, the auxiliary agent
Composition includes silane coupler.
It is used as a kind of preferred scheme of the surface conductance gold paste applied to LTCC of the present invention, the solvent choosing
Mixed from the one or two kinds of of alcohols and ethers.
Further, the alcohols include terpinol, butyl carbitol acetate one or two kinds of mixing, the ether
It is mixed above that class includes butyl, diethylene glycol ether, butyl acetate one or two kinds of.
The present invention also provides a kind of preparation method of the surface conductance gold paste 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 to obtain surface conductance gold paste the slurry after disperseing.
As a kind of preferred scheme of the preparation method of the surface conductance gold paste applied to LTCC of the present invention,
Wherein：
Step 1) in, the incorporation time of selection is 20~60 minutes；
Step 2) in, the control of the fineness of dispersion of the slurry at no more than 5 microns, the range of viscosities control of slurry 50~
200Kcps；
Step 3) in, the screen pack used is 325 mesh screen pack.
As described above, the present invention provides a kind of applied to surface conductance gold paste of LTCC and preparation method thereof,
The surface conductance gold paste by quality ratio, including following components：65%~91% gold grain, 1%~10% inorganic matter
Additive, 5%~25% carrier, 0.3~1% auxiliary agent and 0.5%~5% solvent.The surface conductance gold of the present invention
Slurry is with " the CaO-B with the dependable performance under high frequency condition2O3-SiO2" etc. system film strips co-fire match is good, printing
Well, electric conductivity is excellent and beats the advantages of gold thread intensity is high.The inventive method step is simple, easily realizes industrialization.
Brief description of the drawings
Fig. 1 is shown as the structural representation formed after surface conductance gold paste burns altogether with film strips.
Fig. 2 is shown as the step flow of the preparation method of the surface conductance gold paste applied to LTCC of the present invention
Schematic diagram.
Component label instructions
S11~S13 steps 1)~step 3)
Embodiment
Illustrate embodiments of the present invention below by way of specific instantiation, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through specific realities different in addition
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under the spirit of the present invention.
Refer to Fig. 2.It should be noted that the diagram provided in the present embodiment only illustrates the present invention's in a schematic way
Basic conception, then in schema only display with relevant component in the present invention rather than according to component count during actual implement, shape
And size is drawn, it is actual when implementing, and kenel, quantity and the ratio of each component can be a kind of random change, and its assembly layout
Kenel may also be increasingly complex.
Embodiment 1
The present embodiment provides a kind of surface conductance gold paste applied to LTCC, and the surface conductance gold paste is with matter
Amount is than meter, including following components：65% gold grain, 10% inorganic additive, 20% carrier, 0.5% auxiliary agent, with
And 4.5% solvent.
As an example, the gold grain pattern is spherical, particle size be selected from D50 between 1~3 micron and D90 not
Bronze more than 5 microns.
As an example, the inorganic additive is in parts by weight, including following components：25 parts of Al2O3, 20 parts
SiO2, 20 parts of Bi2O3, 25 parts of CaCO3And 10 parts of SrCaO3。
As an example, the carrier is by quality ratio, include the mixing of following components：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 surface conductance gold paste applied to LTCC,
Including step：
First, step 1 is carried out as shown in Figure 2) S11, proportionally by raw material in the mixing plant with cooling system
Mixed, 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, ground with cooling system
Disperseed on machine, specifically, the fineness of dispersion control of the slurry is at no more than 5 microns, and the range of viscosities control of slurry exists
50~200Kcps；
Then, step 3 is carried out as shown in Figure 2) S13, use screen pack to filter to obtain table the slurry after disperseing
Face conduction gold paste, specifically, the screen pack used is 325 mesh screen pack.
Proved by testing, the surface conductance gold paste applied to LTCC of the present embodiment, in 100um line width
And there is good printing under line-spacing, with " CaO-B2O3-SiO2" system film strips matching performance is good, no cracking, short circuit, stick up
Song, conductive resistance is less than 3m Ω/sq/mil, beats gold thread bond strength more than 20 grams.
Embodiment 2
The present embodiment provides a kind of surface conductance gold paste applied to LTCC, and the surface conductance gold paste is with matter
Amount is than meter, including following components：91% gold grain, 1% inorganic additive, 5% carrier, 0.3% auxiliary agent and
2.7% solvent.
As an example, the pattern of the gold grain is sheet, particle size is selected from D50 between 1~3 micron and D90
No more than 5 microns of bronze.
As an example, the inorganic additive is in parts by weight, including following components：20 parts of Al2O3, 35 parts
SiO2, 10 parts of Bi2O3, 20 parts of CaCO3And 15 parts of SrCaO3。
As an example, the carrier is by quality ratio, include the mixing of following components：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 surface conductance gold paste applied to LTCC,
Including step：
First, step 1 is carried out as shown in Figure 2) S11, proportionally by raw material in the mixing plant with cooling system
Mixed, 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, ground with cooling system
Disperseed on machine, specifically, the fineness of dispersion control of the slurry is at no more than 5 microns, and the range of viscosities control of slurry exists
50~200Kcps；
Then, step 3 is carried out as shown in Figure 2) S13, use screen pack to filter to obtain table the slurry after disperseing
Face conduction gold paste, specifically, the screen pack used is 325 mesh screen pack；
Embodiment 3
The present embodiment provides a kind of surface conductance gold paste applied to LTCC, and the surface conductance gold paste is with matter
Amount is than meter, including following components：91% gold grain, 1% inorganic additive, 5% carrier, 1% auxiliary agent and
2% solvent.
As an example, the gold grain size is selected from, D50 is between 1~3 micron and D90 is not more than 5 microns of bronze,
Pattern is 50 parts of sheet, spherical 50 parts.
As an example, the inorganic additive is in parts by weight, including following components：35 parts of Al2O3, 10 parts
SiO2, 5 parts of Bi2O3, 45 parts of CaCO3And 5 parts of SrCaO3。
As an example, the carrier is by quality ratio, include the mixing of following components：20% Special Resin and
80% solvent.Further, the Special Resin is cellulose family, and the solvent is alcohols.
As an example, the composition of the auxiliary agent 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 surface conductance gold paste applied to LTCC,
Including step：
First, step 1 is carried out as shown in Figure 2) S11, proportionally by raw material in the mixing plant with cooling system
Mixed, 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, ground with cooling system
Disperseed on machine, specifically, the fineness of dispersion control of the slurry is at no more than 5 microns, and the range of viscosities control of slurry exists
50~200Kcps；
Then, step 3 is carried out as shown in Figure 2) S13, use screen pack to filter to obtain table the slurry after disperseing
Face conduction gold paste, specifically, the screen pack used is 325 mesh screen pack.
As described above, the present invention provides a kind of applied to surface conductance gold paste of LTCC and preparation method thereof,
The surface conductance gold paste by quality ratio, including following components：65%~91% gold grain, 1%~10% inorganic matter
Additive, 5%~25% carrier, 0.3~1% auxiliary agent and 0.5%~5% solvent.The surface conductance gold of the present invention
Slurry is with " the CaO-B with the dependable performance under high frequency condition2O3-SiO2" etc. system film strips co-fire match is good, printing
Well, electric conductivity is excellent and beats the advantages of gold thread intensity is high.The inventive method step is simple, easily realizes industrialization.So, this
Invention effectively overcomes various shortcoming of the prior art and has 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 ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (8)
1. one kind is applied to " CaO-B2O3-SiO2" the ceramic surface conductance gold paste of series low-temperature co-burning, it is characterised in that the table
Face conduction gold paste by quality ratio, including following components：65%~91% gold grain, 1%~10% inorganic additive,
5%~25% carrier, 0.3~1% auxiliary agent and 0.5%~5% solvent；
The inorganic additive in parts by weight, including following components：20~50 parts of Al2O3, 10~40 parts of SiO2, 5~
35 parts of Bi2O3, 20~45 parts of CaCO3And 5~15 parts of SrCaO3。
2. according to claim 1 be applied to " CaO-B2O3-SiO2" the ceramic surface conductance gold paste of series low-temperature co-burning, its
It is characterised by：The pattern of the gold grain is one or two kinds of mixing in spherical and sheet；Particle size is selected from D50 between 1~3
Between micron and D90 is not more than 5 microns of bronze.
3. according to claim 1 be applied to " CaO-B2O3-SiO2" the ceramic surface conductance gold paste of series low-temperature co-burning, its
It is characterised by：The carrier by quality ratio, includes the mixing of following components：10~30% Special Resin and 90%~
70% solvent, wherein, the Special Resin is selected from esters and the one or two kinds of of cellulose family is mixed above, the solvent
One or two kinds of mixing selected from alcohols and ethers.
4. according to claim 1 be applied to " CaO-B2O3-SiO2" the ceramic surface conductance gold paste of series low-temperature co-burning, its
It is characterised by：The composition of the auxiliary agent includes silane coupler.
5. according to claim 1 be applied to " CaO-B2O3-SiO2" the ceramic surface conductance gold paste of series low-temperature co-burning, its
It is characterised by：The solvent is selected from the one or two of alcohols and ethers.
6. according to claim 5 be applied to " CaO-B2O3-SiO2" the ceramic surface conductance gold paste of series low-temperature co-burning, its
It is characterised by：The alcohols includes terpinol, butyl carbitol acetate one or two kinds of and mixed, and the ethers includes diethyl
Glycol butyl ether, diethylene glycol ether, butyl acetate one or two kinds of are mixed above.
7. a kind of be applied to " CaO-B as described in claim 1~6 any one2O3-SiO2" the ceramic table of series low-temperature co-burning
The preparation method of face conduction gold paste, it is characterised in that 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 to obtain surface conductance gold paste the slurry after disperseing.
8. according to claim 7 be applied to " CaO-B2O3-SiO2" series low-temperature co-burning ceramics surface conductance gold paste system
Preparation Method, it is characterised in that：
Step 1) in, the incorporation time of selection is 20~60 minutes；
Step 2) in, the scattered rear fineness control of the slurry at no more than 5 microns, the range of viscosities control of slurry 50~
200Kcps；
Step 3) in, the screen pack used is 325 mesh screen pack.
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| CN201410384558.4A CN104200865B (en) | 2014-08-05 | 2014-08-05 | It is a kind of applied to surface conductance gold paste of LTCC and preparation method thereof |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106935308A (en) * | 2015-12-30 | 2017-07-07 | 上海晶材新材料科技有限公司 | It is applied to grout conductive silver paste of LTCC and preparation method thereof |
| CN106935310A (en) * | 2015-12-30 | 2017-07-07 | 上海晶材新材料科技有限公司 | It is applied to surface conductance Au, Pt, Pd slurry of LTCC and preparation method thereof |
| CN107180665A (en) * | 2016-03-11 | 2017-09-19 | 上海卡翱投资管理合伙企业（有限合伙） | Silver-colored hole slurry of the golden platinum of grout transition applied to LTCC and preparation method thereof |
| CN114380624A (en) * | 2022-01-22 | 2022-04-22 | 中国振华集团云科电子有限公司 | Multilayer aluminum oxide ceramic tungsten metallization slurry for HTCC and preparation method thereof |
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| CN102290118A (en) * | 2011-05-20 | 2011-12-21 | 郴州雄风稀贵金属材料股份有限公司 | Electronic silver paste and preparation process thereof |
| CN102403047A (en) * | 2010-09-15 | 2012-04-04 | 第一毛织株式会社 | Paste for solar cell electrode and electrode using the same and solar cell using the same |
| CN102768871A (en) * | 2012-05-28 | 2012-11-07 | 杭州正银电子材料有限公司 | Composition of lead-free silver electrocondution slurry used for forming crystal silicon solar cell back electrode as well as preparation method thereof |
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|---|---|---|---|---|
| CN1913044A (en) * | 2005-04-25 | 2007-02-14 | E.I.内穆尔杜邦公司 | Thick film conductor composition, and its use in ltcc circuit and device |
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Address after: 578-1 Yanxin Road, Wuxi Huishan Economic Development Zone, Wuxi City, Jiangsu Province Patentee after: Wuxi lanpei New Material Technology Co., Ltd Address before: Songjiang District Minyi road 201262 Shanghai City No. 201 building 12 Room 401 Patentee before: SHANGHAI LANPEI NEW MATERIAL TECHNOLOGY Co.,Ltd. |