CN104157326A - Inner electrode conductive gold pulp applied to low temperature co-fired ceramic, and preparation method thereof - Google Patents
Inner electrode conductive gold pulp applied to low temperature co-fired ceramic, and preparation method thereof Download PDFInfo
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- CN104157326A CN104157326A CN201410381610.0A CN201410381610A CN104157326A CN 104157326 A CN104157326 A CN 104157326A CN 201410381610 A CN201410381610 A CN 201410381610A CN 104157326 A CN104157326 A CN 104157326A
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- electrodes conduct
- gold paste
- interior electrodes
- ltcc
- mixing
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Abstract
The invention provides inner electrode conductive gold pulp applied to low temperature co-fired ceramic, and a preparation method thereof. The inner electrode conductive gold pulp comprises the following components in percentage by mass: 70% to 92% of gold particles, 0% to 10% of an inorganic matter additive, 5% to 25% of a carrier, 0.3% to 1% of an auxiliary, and 0.5% to 5% of a solvent. The inner electrode conductive gold pulp has the advantages that the co-fired matching property with systematic membrane belts such as CaO-B2O3-SiO2 with reliable property under a high-frequency condition is good, the printing property is good, and the conductivity is excellent, and the like. The preparation method is simple in steps and easy to realize industrialization.
Description
Technical field
The present invention relates to a kind of electrocondution slurry and preparation method thereof, particularly relate to a kind of interior electrodes conduct gold paste that is applied to LTCC and preparation method thereof.
Background technology
Along with the develop rapidly of modern information technologies, miniaturization to electronic product, facilitation, multi-functional, the highly reliable demand that proposed, LTCC Technology (Low temperature co-fired ceramic, LTCC) be the integrated assembly technology of a kind of multidisciplinary intersection attracting people's attention of rising in recent years, because its excellent electronics, thermo-mechanical property have become following electronic component integration, 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 basiss of device, especially in Military Application field.
In the process of LTCC low dielectric constant microwave dielectric material application, need to be on ceramic membrane band in most of situation printing conductive gold paste.But existing conduction gold paste and LTCC low dielectric constant microwave dielectric material are not fully up to expectations on matching, printing or on electric conductivity.Wherein, the schematic diagram of interior electrodes conduct slurry as shown in Figure 1, in general, comprises film band 10, and is printed in the conductor gold paste 20 between film band.
Therefore, the object of this invention is to provide and planted interior electrodes conduct gold paste and preparation method thereof, this interior electrodes conduct gold paste need to have " the CaO-B with dependable performance under high frequency condition
2o
3-SiO
2" etc. good, the advantage such as printing is good, electric conductivity is excellent of system film band co-fire match.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of interior electrodes conduct gold paste that is applied to LTCC and preparation method thereof, it has the advantages such as system film band co-fire matchs such as " CaO-B2O3-SiO2 " with dependable performance under high frequency condition is good, printing is good, electric conductivity is excellent.
For achieving the above object and other relevant objects, the invention provides a kind of interior electrodes conduct gold paste that is applied to LTCC, described interior electrodes conduct gold paste by quality ratio, comprise following component: 70%～92% gold grain, 0%～10% inorganic additive, 5%～25% carrier, 0.3～1% auxiliary agent and 0.5%～5% solvent.
As a kind of preferred version of the interior electrodes conduct gold paste that is applied to LTCC of the present invention, described bronze pattern is one or both mixing in spherical and sheet; Particle size is selected from D50 between 1～3 micron and D90 is not more than the bronze of 5 microns
As a kind of preferred version of the interior electrodes conduct gold paste that is applied to LTCC of the present invention, described inorganic additive, in weight portion, comprises following component: the Al of 0～50 part
2o
3, the SiO of 0～40 part
2, the Bi of 0～35 part
2o
3, the CaCO of 0～45 part
3, and the SrCaO of 0～15 part
3.
As a kind of preferred version of the interior electrodes conduct gold paste that is applied to LTCC of the present invention, described carrier by quality ratio, comprises the mixing of following component: 10～30% Special Resin and 90%～70% solvent.
Further, described Special Resin is selected from a kind of or two or more mixing of ester class, alkoxide and cellulose family, and described solvent is selected from a kind of or two kinds of mixing of alcohols and ethers.
As a kind of preferred version of the interior electrodes conduct gold paste that is applied to LTCC of the present invention, the composition of described auxiliary agent comprises silane coupler.
As a kind of preferred version of the interior electrodes conduct gold paste that is applied to LTCC of the present invention, described solvent is selected from a kind of or two kinds of mixing of alcohols and ethers.
Further, described alcohols comprises terpinol,, a kind of or two kinds of mixing of butyl carbitol acetate, described ethers comprises a kind of or two or more mixing of diethylene glycol butyl ether, diethylene glycol ether, diethylene glycol monobutyl ether acetate.
The present invention also provides a kind of preparation method of the interior electrodes conduct gold paste that is applied to LTCC, comprises 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, on cooling system grinder, disperse;
Step 3), adopt screen pack to filter to obtain interior electrodes conduct gold paste material to the slurry after disperseing..
As a kind of preferred version of the preparation method of the interior electrodes conduct gold paste that is applied to LTCC of the present invention, wherein:
Step 1) in, the incorporation time of selecting is 20～60 minutes;
Step 2) in, the fineness of dispersion of described slurry is controlled at and is not more than 5 microns, and the range of viscosities of slurry is controlled at 50～200Kcps;
Step 3) in, the screen pack of employing is 325 order screen packs.
As mentioned above, the invention provides a kind of interior electrodes conduct gold paste that is applied to LTCC and preparation method thereof, described interior electrodes conduct gold paste by quality ratio, comprise following component: 70%～92% gold grain, 0%～10% inorganic additive, 5%～25% carrier, 0.3～1% auxiliary agent and 0.5%～5% solvent.Interior electrodes conduct gold paste of the present invention has the " CaO-B with dependable performance under high frequency condition
2o
3-SiO
2" etc. good, the advantage such as printing is good, electric conductivity is excellent of the co-fire match of system film band.The inventive method step is simple, easily realizes industrialization.
Brief description of the drawings
Fig. 1 is shown as interior electrodes conduct gold paste and film band burns the structural representation of rear formation altogether.
Fig. 2 is shown as the preparation method's of the interior electrodes conduct gold paste that is applied to LTCC of the present invention steps flow chart schematic diagram.
Element numbers explanation
S11～S13 step 1)～step 3)
Embodiment
Below, by specific instantiation explanation embodiments of the present invention, those skilled in the art can understand other advantages of the present invention and effect easily by the disclosed content of this specification.The present invention can also be implemented or be applied by other different embodiment, and the every details in this specification also can be based on different viewpoints and application, carries out various modifications or change not deviating under spirit of the present invention.
Refer to Fig. 2.It should be noted that, the diagram providing in the present embodiment only illustrates basic conception of the present invention in a schematic way, satisfy and only show with assembly relevant in the present invention in graphic but not component count, shape and size drafting while implementing according to reality, when its actual enforcement, kenel, quantity and the ratio of each assembly can be a kind of random change, and its assembly layout kenel also may be more complicated.
Embodiment 1
The present embodiment provides a kind of interior electrodes conduct gold paste that is applied to LTCC, described interior electrodes conduct gold paste by quality ratio, comprise following component: 70% gold grain, 10% inorganic additive, 15% carrier, 0.5% auxiliary agent and 4.5% solvent.
As example, it is spherical that described gold grain is selected from pattern, and particle size is selected from D50 between 1～3 micron and D90 is not more than the bronze of 5 microns
As example, described inorganic additive, in weight portion, comprises following component: the Al of 25 parts
2o
3, the SiO of 40 parts
2, the Bi of 5 parts
2o
3, the CaCO of 20 parts
3, and the SrCaO of 10 parts
3.
As example, described carrier by quality ratio, comprises the mixing of following component: 30% Special Resin and 70% solvent.Further, described Special Resin is selected from ester class, and described solvent is selected from alcohols.
As example, the composition of described auxiliary agent is silane coupler.
As example, described solvent is selected from alcohols, is specially terpinol.
As shown in Figure 2, the present embodiment provides a kind of preparation method of the interior electrodes conduct gold paste that is applied to LTCC, comprises step:
First, carry out step 1 as shown in Figure 2) S11, proportionally raw material is mixed in the mixing plant with cooling system, in the present embodiment, the incorporation time of selecting is 20～60 minutes, is specially 30 minutes;
Then, carry out step 2 as shown in Figure 2) S12, takes out the slurry in mixing plant, on with cooling system grinder, disperse, particularly, the fineness of dispersion of described slurry is controlled at and is not more than 5 microns, and the range of viscosities of slurry is controlled at 50～200Kcps;
Then, carry out step 3 as shown in Figure 2) S13, adopt screen pack to filter to obtain interior electrodes conduct gold paste material to the slurry after disperseing, particularly, the screen pack of employing is 325 order screen packs.
Prove that by test the interior electrodes conduct gold paste that is applied to LTCC of the present embodiment has good printing, with " CaO-B under the live width of 100um and line-spacing
2o
3-SiO
2" system film band matching performance is good, without cracking, short circuit, warpage, conductive resistance is less than 3m Ω/sq/mil.
Embodiment 2
The present embodiment provides a kind of interior electrodes conduct gold paste that is applied to LTCC, described interior electrodes conduct gold paste by quality ratio, comprise following component: 92% gold grain, 1% inorganic additive, 4% carrier, 0.3% auxiliary agent and 2.7% solvent.
As example, it is sheet that described gold grain is selected from pattern, and particle size is selected from D50 between 1～3 micron and D90 is not more than the bronze of 5 microns.
As example, described inorganic additive, in weight portion, comprises following component: the Al of 20 parts
2o
3, the SiO of 35 parts
2, the Bi of 10 parts
2o
3, the CaCO of 20 parts
3, and the SrCaO of 15 parts
3.
As example, described carrier by quality ratio, comprises the mixing of following component: 10% Special Resin and 90% solvent.Further, described Special Resin is selected from alkoxide, and described solvent is selected from ethers.
As example, the composition of described auxiliary agent comprises silane coupler.
As example, described solvent is selected from ethers, is specially diethylene glycol butyl ether.
As shown in Figure 2, the present embodiment provides a kind of preparation method of the interior electrodes conduct gold paste that is applied to LTCC, comprises step:
First, carry out step 1 as shown in Figure 2) S11, proportionally raw material is mixed in the mixing plant with cooling system, in the present embodiment, the incorporation time of selecting is 20～60 minutes, is specially 30 minutes;
Then, carry out step 2 as shown in Figure 2) S12, takes out the slurry in mixing plant, on with cooling system grinder, disperse, particularly, the fineness of dispersion of described slurry is controlled at and is not more than 5 microns, and the range of viscosities of slurry is controlled at 50～200Kcps;
Then, carry out step 3 as shown in Figure 2) S13, adopt screen pack to filter to obtain interior electrodes conduct gold paste material to the slurry after disperseing, particularly, the screen pack of employing is 325 order screen packs.
Embodiment 3
The present embodiment provides a kind of interior electrodes conduct gold paste that is applied to LTCC, described interior electrodes conduct gold paste by quality ratio, comprise following component: 85% gold grain, 5% inorganic additive, 8% carrier, 1% auxiliary agent and 1% solvent.
As example, described gold grain size is selected from D50 between 1～3 micron and D90 is not more than the bronze of 5 microns, and pattern is 50 parts of sheets, spherical 50 powder.
As example, described inorganic additive, in weight portion, comprises following component: the Al of 20 parts
2o
3, the SiO of 15 parts
2, the Bi of 35 parts
2o
3, the CaCO of 25 parts
3, and the SrCaO of 5 parts
3.
As example, described carrier by quality ratio, comprises the mixing of following component: 20% Special Resin and 80% solvent.Further, described Special Resin is cellulose family, and described solvent is alcohols.
As example, the composition of described auxiliary agent comprises silane coupler.
As example, described solvent is selected from alcohols, is specially terpinol.
As shown in Figure 2, the present embodiment provides a kind of preparation method of the interior electrodes conduct gold paste that is applied to LTCC, comprises step:
First, carry out step 1 as shown in Figure 2) S11, proportionally raw material is mixed in the mixing plant with cooling system, in the present embodiment, the incorporation time of selecting is 20～60 minutes, is specially 30 minutes;
Then, carry out step 2 as shown in Figure 2) S12, takes out the slurry in mixing plant, on with cooling system grinder, disperse, particularly, the fineness of dispersion of described slurry is controlled at and is not more than 5 microns, and the range of viscosities of slurry is controlled at 50～200Kcps;
Then, carry out step 3 as shown in Figure 2) S13, adopt screen pack to filter to obtain interior electrodes conduct gold paste material to the slurry after disperseing, particularly, the screen pack of employing is 325 order screen packs.
As mentioned above, the invention provides a kind of interior electrodes conduct gold paste that is applied to LTCC and preparation method thereof, described interior electrodes conduct gold paste by quality ratio, comprise following component: 70%～92% gold grain, 0%～10% inorganic additive, 5%～25% carrier, 0.3～1% auxiliary agent and 0.5%～5% solvent.Interior electrodes conduct gold paste of the present invention has the " CaO-B with dependable performance under high frequency condition
2o
3-SiO
2" etc. good, the advantage such as printing is good, electric conductivity is excellent of the co-fire match of system film band.The inventive method step is simple, easily realizes industrialization.So the present invention has effectively overcome various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all can, under spirit of the present invention and category, modify or change above-described embodiment.Therefore, such as in affiliated technical field, have and conventionally know that the knowledgeable, not departing from all equivalence modifications that complete under disclosed spirit and technological thought or changing, must be contained by claim of the present invention.
Claims (10)
1. one kind is applied to the interior electrodes conduct gold paste of LTCC, it is characterized in that, described interior electrodes conduct gold paste by quality ratio, comprise following component: 70%～92% gold grain, 0%～10% inorganic additive, 5%～25% carrier, 0.3～1% auxiliary agent and 0.5%～5% solvent.
2. the interior electrodes conduct gold paste that is applied to LTCC according to claim 1, is characterized in that: described bronze pattern is one or both mixing in spherical and sheet; Particle size is selected from D50 between 1～3 micron and D90 is not more than the bronze of 5 microns.
3. the interior electrodes conduct gold paste that is applied to LTCC according to claim 1, is characterized in that: described inorganic additive, in weight portion, comprises following component: the Al2O of 0～50 part
3, the SiO of 0～40 part
2, the Bi of 0～35 part
2o
3, the CaCO of 0～45 part
3, and the SrCaO of 0～15 part
3.
4. the interior electrodes conduct gold paste that is applied to LTCC according to claim 1, is characterized in that: described carrier by quality ratio, comprises the mixing of following component: 10～30% Special Resin and 90%～70% solvent.
5. the interior electrodes conduct gold paste that is applied to LTCC according to claim 4, it is characterized in that: described Special Resin is selected from a kind of or two or more mixing of ester class, alkoxide and cellulose family, described solvent is selected from a kind of or two kinds of mixing of alcohols and ethers.
6. the interior electrodes conduct gold paste that is applied to LTCC according to claim 1, is characterized in that: the composition of described auxiliary agent comprises silane coupler.
7. the interior electrodes conduct gold paste that is applied to LTCC according to claim 1, is characterized in that: described solvent is selected from one or both of alcohols and ethers.
8. the interior electrodes conduct gold paste that is applied to LTCC according to claim 7, it is characterized in that: described alcohols comprises terpinol, butyl carbitol acetate one or two kinds of mixing, described ethers comprises diethylene glycol butyl ether, diethylene glycol ether, diethylene glycol monobutyl ether acetate one or two or more mixing.
9. a preparation method for the interior electrodes conduct gold paste that is applied to LTCC as described in claim 1～8 any one, is characterized in that, comprises 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, on cooling system grinder, disperse;
Step 3), adopt screen pack to filter to obtain interior electrodes conduct gold paste material to the slurry after disperseing.
10. the preparation method of the interior electrodes conduct gold paste that is applied to LTCC according to claim 9, is characterized in that:
Step 1) in, the incorporation time of selecting is 20～60 minutes;
Step 2) in, the fineness of dispersion of described slurry is controlled at and is not more than 5 microns, and the range of viscosities of slurry is controlled at 50～200Kcps;
Step 3) in, the screen pack of employing is 325 order screen packs.
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|---|---|---|---|
| CN201410381610.0A CN104157326B (en) | 2014-08-05 | 2014-08-05 | It is a kind of applied to interior electrodes conduct gold paste of LTCC and preparation method thereof |
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|---|---|---|---|
| CN201410381610.0A CN104157326B (en) | 2014-08-05 | 2014-08-05 | It is a kind of applied to interior electrodes conduct gold paste of LTCC and preparation method thereof |
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| CN104157326B CN104157326B (en) | 2017-09-05 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105989909A (en) * | 2015-01-30 | 2016-10-05 | 上海光线新材料科技有限公司 | Inner electrode conductive silver paste for low temperature co-firing microwave dielectric ceramics 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 |
| 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 |
| CN107910100A (en) * | 2017-11-15 | 2018-04-13 | 贵研铂业股份有限公司 | A kind of preparation method of low-temperature sintering Gold conductor |
| CN110322983A (en) * | 2019-06-14 | 2019-10-11 | 太原氦舶新材料有限责任公司 | A kind of slug type electronic conduction gold paste and preparation method thereof |
| CN110315090A (en) * | 2019-06-14 | 2019-10-11 | 北京氦舶科技有限责任公司 | A kind of high temperature sintering type electrocondution slurry bronze and preparation method thereof |
| CN111693186A (en) * | 2020-05-12 | 2020-09-22 | 江苏大学 | Preparation method of ceramic capacitive pressure sensor electrode |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105989909A (en) * | 2015-01-30 | 2016-10-05 | 上海光线新材料科技有限公司 | Inner electrode conductive silver paste for low temperature co-firing microwave dielectric ceramics 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 |
| 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 |
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| CN110322983A (en) * | 2019-06-14 | 2019-10-11 | 太原氦舶新材料有限责任公司 | A kind of slug type electronic conduction gold paste and preparation method thereof |
| CN110315090A (en) * | 2019-06-14 | 2019-10-11 | 北京氦舶科技有限责任公司 | A kind of high temperature sintering type electrocondution slurry bronze and preparation method thereof |
| CN111693186A (en) * | 2020-05-12 | 2020-09-22 | 江苏大学 | Preparation method of ceramic capacitive pressure sensor electrode |
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Inventor after: Wang Jiushan Inventor after: Lan Kaidong Inventor after: Yang Zhaoguo Inventor before: Jiang Jiushan Inventor before: Lan Kaidong Inventor before: Yang Zhaoguo |
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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. |