CN104318975A - Composite-material-based thick-film circuit rare earth electrode slurry and preparation process thereof - Google Patents
Composite-material-based thick-film circuit rare earth electrode slurry and preparation process thereof Download PDFInfo
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- CN104318975A CN104318975A CN201410484242.2A CN201410484242A CN104318975A CN 104318975 A CN104318975 A CN 104318975A CN 201410484242 A CN201410484242 A CN 201410484242A CN 104318975 A CN104318975 A CN 104318975A
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Abstract
The invention discloses composite-material-based thick-film circuit rare earth electrode slurry and a preparation process thereof. The composite-material-based thick-film circuit rare earth electrode slurry is characterized in that the slurry comprises a solid-phase component, an organic solvent carrier and a rare earth oxide; the ratio of the sum of weights of the solid-phase component and the rare earth oxide to the weight of the organic solvent carrier is 70-90% to 30-10%; the weight ratio of silver-aluminum-yttrium composite powder to crystallite glass powder in the solid-phase component is 99.4-94% to 0.6-6%; and in the silver-aluminum-yttrium composite powder, the particle diameters of aluminum powder, silver powder and yttrium powder are smaller than 2 microns, and the weight ratio of aluminum powder to silver powder to yttrium powder is 0.6-10% to 99-82% to 0.4-8%. The composite-material-based thick-film circuit rare earth electrode slurry of the invention has the advantages of good conductive performance, low resistivity, wide temperature coefficient, high compatibility, high applicability, high power density, and high heat tolerance. The slurry is well matched with LED chip substrates and PTCR-xthm electrothermal chip dielectric slurry, has high thermal conductivity, and is green, environment-friendly, safe and reliable.
Description
Technical field
The present invention relates to thermo electric material technical field, relate to a kind of composite material base rare earth thick film circuit electrode slurry and preparation technology thereof more specifically.
Background technology
In the strategy of sustainable development that China establishes, innovative technology, intellectual property are two important factor.Earlier 2000s, Dupont, come to China development and set up high-tech barrier, Domestic Scientific Research universities and colleges release solar energy, the sub-slurry of LED electrical for 2003 successively, mostly are silver slurry and encapsulate for aluminium base.Dielectric paste, resistance slurry, electrocondution slurry especially electrode slurry due to problems such as technical costs, product quality, the few range of application of kind are narrow, slower development.Dielectric paste preparation efficiency is low, electrical property, wettability are poor, and resistance slurry kind single stable is not good enough, cost can be in any more, and electrode slurry is oxidizable, silver ion easily moves under high temperature, and adhesive force loosely etc.In addition inscience property right causes this Technique Popularizing application development slowly, and high-power, high density, wide temperature coefficient special electronic slurry development is more slow, but prospect is splendid.
Summary of the invention
Object of the present invention is exactly deficiency in order to solve prior art and a kind of low square resistance provided, large temperature coefficient of resistance and with low cost, multi items, reliable in quality, possess good hot property, electrical property and dielectric paste, resistance slurry, the composite material base rare earth thick film circuit electrode slurry that wettability, compatibility are excellent.
Another object of the present invention is to provide a kind of preparation technology of composite material base rare earth thick film circuit electrode slurry.
The present invention adopts following technical solution to realize above-mentioned purpose: a kind of composite material base rare earth thick film circuit electrode slurry, it is characterized in that, it comprises solid-phase component, organic solvent carriers and rare earth oxide, and weight sum and the organic solvent carriers weight ratio of solid-phase component, rare earth oxide are: 70 ~ 90%: 30 ~ 10%; In solid-phase component, the weight ratio of silver-colored aluminium yttrium composite powder and microcrystalline glass powder is: 99.4 ~ 94%: 0.6 ~ 6%; In silver aluminium yttrium composite powder, the particle diameter of aluminium powder, silver powder and yttrium powder is less than 2 μm, and the weight ratio of aluminium powder, silver powder and yttrium powder is: 0.6 ~ 10%: 99 ~ 82%: 0.4 ~ 8%.
Further illustrating as such scheme, described devitrified glass is P
2o
5, ZnO, K
2o, B
2o
3, SnO
2be low melting point devitrified glass, weight ratio is followed successively by: P
2o
535-55%, ZnO35-50%, K
2o5-10%, B
2o
30-10%, SnO
20-10%, SiO
20-5%, Li
2o0-2%, Al
2o
32-5%, CuO0-1.5%.
The each composition weight proportioning of described organic solvent carriers is: terpinol 60 ~ 98%, tributyl citrate 10 ~ 30%, ethyl cellulose 2 ~ 10%, NC Nitroncellulose 1 ~ 5%, hydrogenated castor oil 0.1 ~ 5%, lecithin 0.1 ~ 5%.
Described rare earth oxide is; One or more oxides in lanthanum, cerium, neodymium, promethium, gadolinium, erbium, scandium and yttrium, according to the thick film circuit LED chip of different capacity, different temperatures, different sheet resistance, PTCR-xthm electrothermal chip to the requirement of electric conductivity, optical property, hot property, chemical property, mechanical performance and far-infrared functional, add the rare earth oxide of variety classes, different share according to test mathematical model, increase or replace the one or more of above-mentioned microcrystalline glass powder.
A preparation technology for composite material base rare earth thick film circuit electrode slurry, is characterized in that, its concrete steps are as follows:
1) preparation of Fine Aluminum Powder
By the alloy aluminum melting chosen, be placed in totally enclosed high speed disc atomizer, motlten metal is superheated to 250 degrees Celsius, under inert gas shielding, cools rapidly, and speed is 105-107K/S, powder by atomization; The aluminium powder of atomization is delivered to cyclone separator in portion from container, and the spray column being sent to band screen pack after first separation carries out gas solid separation, obtains the Fine Aluminum Powder that particle mean size is 3 ~ 5 μm after drying;
2) preparation of microcrystalline glass powder
Microcrystalline glass powder good for proportioning is mixed in Vacuum mixer and is placed on melting in clock hood type furnace; Smelting temperature is 800 ~ 1200 degrees Celsius, peak value insulation 1-5 hour, and in ionized water, shrend obtains glass dregs; Glass dregs is placed in star-like grinding in ball grinder 2-4 hour and obtains the glass micro mist that particle mean size is not more than 5 microns;
3) preparation of inorganic adhesive phase organic solvent carriers
Main solvent, thickener, surfactant, thixotropic agent, gelling agent in organic solvent carriers are dissolved a few hours by a certain percentage in the water of 80-100 DEG C, adjustment amount of thickener, by the adjustment of the viscosity of organic solvent carriers in the scope of 150 ~ 280mPas;
4) preparation of rare earth electrode slurry
By good for proportioning silver-colored aluminium yttrium composite powder, microcrystalline glass powder inorganic adhesive phase, organic carrier and rare earth oxide through heating bath, be placed in efficient mixing and grinding machine and grind one hour, obtain rare earth electrode slurry through rolling; Concrete technology technology is, by solid phase powder, organic carrier solvent through heating bath, be placed in vacuum three-dimensional hybrid grinder grinding n hour, load three rod milling trains (preferably ceramic roller) rolling, by viscosimeter testing size viscosity, viscosity number is: 150 ~ 200PaS/RPM.
Adjustment function items composition, content and preparation method, by technical parameter and design data, can modulate multiple sheet resistance numerical value and performance, and rare earth electrode slurry energy and medium slurry phase, resistance slurry merge.
The beneficial effect that the present invention adopts above-mentioned technical solution to reach is:
1, the present invention is by researching and analysing domestic and international thick film circuit electric slurry physics, chemical property and processing performance, the multiple rare earth element such as Rare Earth Lanthanum (La) and yttrium (Y) is mixed in electrode slurry, effect prove electrode slurry function phase, bonding mutually in adding due to rare earth element, the electrical property of slurry, wettability, intermiscibility, intermolecular linkage bond strength and manufacturability all improve a lot.
2, pass through P
2o
5, ZnO, K
2o, B
2o
3, SnO
2it is the dynamic analysis that low melting point devitrified glass coefficient of dilatation, vitrification point, glass transition temperature and forming core are grown up, determine the formula of rare earth oxide in devitrified glass when preparation technology, make it the coefficient of expansion and the composite ceramic substrate coupling of the sheet resistance track layer that crystallite aluminium powder is formed, and in conjunction with firm.The performance of effective raising electrode slurry.
3, rare-earth oxidation yttrium (Y is adopted
20
3) and the additive package such as " super calcium " lanthanum (La), can reduce sintering temperature, acceleration of sintering, improving technique, raise the efficiency, save the energy, yttrium can strengthen non-oxidizability and the ductility of multiple substrate, improves bond strength.In crystallite aluminium powder, add a small amount of yttrium-rich RE, improve conductance, meet the requirement of thick film circuit low square resistance.
4, doped with rare-earth oxide greatly can change the sintering character of microcrystal glass material and function phase, microstructure, density, phase composition and physical and mechanical property, thus the wettability of the electric conductivity of raising rare earth thick film circuit, dielectric strength, hot property, processing performance and electric slurry, compatibility and molecule are good for bond strength, significantly improve product fine rate, there is industrial applicibility.
5, based on the heightened awareness to organic solvent mechanism each in rare earth slurry, by the main solvent of different boiling and evaporation rate in proportion reasonable preparation make slurry evenly volatilize and discharge in the preparation process such as printing, oven dry, sintering, solvent is avoided to concentrate volatilization to form the defects such as cracking, pin hole, in organic solvent formula, select the fine solvents such as hydrogenated castor oil to make thixotropic agent to form good colloform texture, make slurry have good thixotropy and result of prevention, effectively improve product qualified rate.
6, in organic solvent formula, select the fine solvents such as hydrogenated castor oil to make thixotropic agent to form good colloform texture, make slurry have good thixotropy and result of prevention.
Embodiment
A kind of composite material base rare earth thick film circuit of the present invention electrode slurry, it comprises solid-phase component, organic solvent carriers and rare earth oxide, and weight sum and the organic solvent carriers weight ratio of solid-phase component, rare earth oxide are: 70 ~ 90%: 30 ~ 10%; In solid-phase component, the weight ratio of silver-colored aluminium yttrium composite powder and microcrystalline glass powder is: 99.4 ~ 94%: 0.6 ~ 6%; In silver aluminium yttrium composite powder, the particle diameter of aluminium powder, silver powder and yttrium powder is less than 2 μm, and the weight ratio of aluminium powder, silver powder and yttrium powder is: 0.6 ~ 10%: 99 ~ 82%: 0.4 ~ 8%.Described devitrified glass is P
2o
5, ZnO, K
2o, B
2o
3, SnO
2be low melting point devitrified glass, weight ratio is followed successively by: P
2o
535-55%, ZnO35-50%, K
2o5-10%, B
2o
30-10%, SnO
20-10%, SiO
20-5%, Li
2o0-2%, Al
2o
32-5%, CuO0-1.5%.The each composition weight proportioning of described organic solvent carriers is: terpinol 60 ~ 98%, tributyl citrate 10 ~ 30%, ethyl cellulose 2 ~ 10%, NC Nitroncellulose 1 ~ 5%, hydrogenated castor oil 0.1 ~ 5%, lecithin 0.1 ~ 5%.Described rare earth oxide is; One or more oxides in lanthanum, cerium, neodymium, promethium, gadolinium, erbium, scandium and yttrium, according to the thick film circuit LED chip of different capacity, different temperatures, different sheet resistance, PTCR-xthm electrothermal chip to the requirement of electric conductivity, optical property, hot property, chemical property, mechanical performance and far-infrared functional, add the rare earth oxide of variety classes, different share according to test mathematical model, increase or replace the one or more of above-mentioned microcrystalline glass powder.
The preparation technology of described composite material base rare earth thick film circuit electrode slurry, its concrete steps are as follows:
1) preparation of Fine Aluminum Powder
By the alloy aluminum melting chosen, be placed in totally enclosed high speed disc atomizer, motlten metal is superheated to 250 degrees Celsius, under inert gas shielding, cools rapidly, and speed is 105-107K/S, powder by atomization; The aluminium powder of atomization is delivered to cyclone separator in portion from container, and the spray column being sent to band screen pack after first separation carries out gas solid separation, obtains the Fine Aluminum Powder that particle mean size is 3 ~ 5 μm after drying;
2) preparation of microcrystalline glass powder
Microcrystalline glass powder good for proportioning is mixed in Vacuum mixer and is placed on melting in clock hood type furnace; Smelting temperature is 800 ~ 1200 degrees Celsius, peak value insulation 1-5 hour, and in ionized water, shrend obtains glass dregs; Glass dregs is placed in star-like grinding in ball grinder 2-4 hour and obtains the glass micro mist that particle mean size is not more than 5 microns;
3) preparation of inorganic adhesive phase organic solvent carriers
Main solvent, thickener, surfactant, thixotropic agent, gelling agent in organic solvent carriers are dissolved a few hours by a certain percentage in the water of 80-100 DEG C, adjustment amount of thickener, by the adjustment of the viscosity of organic solvent carriers in the scope of 150 ~ 280mPas;
4) preparation of rare earth electrode slurry
By good for proportioning silver-colored aluminium yttrium composite powder, microcrystalline glass powder inorganic adhesive phase, organic carrier and rare earth oxide through heating bath, be placed in efficient mixing and grinding machine and grind one hour, obtain rare earth electrode slurry through rolling; Concrete technology technology is, by solid phase powder, organic carrier solvent through heating bath, be placed in vacuum three-dimensional hybrid grinder grinding n hour, load three rod milling trains (preferably ceramic roller) rolling, by viscosimeter testing size viscosity, viscosity number is: 150 ~ 200PaS/RPM.
Adjustment function items composition, content and preparation method, by technical parameter and design data, can modulate multiple sheet resistance numerical value and performance, and rare earth electrode slurry energy and medium slurry phase, resistance slurry merge.
Rare earth metal electrode slurry of the present invention not only can be used for the preparation of great power LED thick film circuit, and technical parameter, through design modifying, is also applicable to prepare electric heating field PTCR-xthm electrothermal chip.
Composite material base rare earth thick film circuit electrode slurry technology of preparing of the present invention, refer to the serial rare-earth electrode slurry that novelty is developed, this slurry can not only be prepared on polymer composite, composite ceramics Re-alsic-rare earth-aluminium carborundum, LED package substrate, crystallite glass substrate.More can compatible base steel, copper base and the various metals such as aluminum bronze, aluminum steel composite material substrate.
Be described in detail technical scheme of the present invention below in conjunction with specific embodiment, the formula components of following examples is all calculate by weight percentage.
Embodiment 1
The present embodiment is for reference example with Re-alsic rare earth-aluminium carborundum (composite ceramics) based high-power LED rare earth thick film circuit technology of preparing.
Preparation for composite material base rare earth thick film circuit electrode slurry:
1. by technical solution of the present invention, microcrystalline glass formula: SiO
226%, Ai
2o
318%, CaO19%, Bi
2o
318%, B
2o
38%, La
2o
31-5%, TiO
24%, ZrO
22%;
2. devitrified glass preparation technology: 1100 DEG C are incubated 150 minutes;
3. aluminium powder prepares granulation: vibrator ball milling → star-like ball mill → powder granularity ≮ 3 μm;
4. rare earth electrode slurry composition formula: lanthanum, yttrium powder footpath ≮ 2 μm;
5. organic solvent formula dissolution process: terpinol 72%, tributyl citrate 9%, ethyl cellulose 6%, NC Nitroncellulose 6%, hydrogenated castor oil 4%, lecithin 3%; Each component is by water-bath 180 minutes in 80 ~ 90 DEG C of water temperatures after proportioning mixing;
6. comprehensive size mixing technology: this slurry is made up of function phase and organic carrier, and weight ratio is: 78: 22, carries out three rod rollings after being placed in three-dimensional material mixer dispersed with stirring.
7. rare earth electrode slurry performance parameter:
1. electrical property:
| Sheet resistance | Resolution | TCR/ppm/℃ | Aging intensity |
| 10±2mΩ/□ | 0.2mm | 1000±150ppm×10 -6/℃ | ＞10(N/mm 2) |
2. physical property
| Rheological behavior | Sheet resistance layer thickness | Slurry viscosity | Unit dose |
| Thixotroping should wire mark | 12±2μm | 150±20Pas/10RPM | 85cm 2/ gram |
The present embodiment composite substrate performance
| Thermal conductivity | ＞180 | W/m.K(25℃)GB11108-89 |
| Density | ＞3.00 | g/cm 2(LF)GB3850-83 |
| Thermal coefficient of expansion | 6.5-9.5x10-6/K | ppm/℃(25-150℃)GB/T4339-1999 |
| Resistivity | 10 | μΩ·㎝?GB5167-85 |
Note: slurry was placed for a long time, needs before using to carry out homogenized.
Embodiment 2
The present embodiment is for reference example with Re-alsic rare earth-aluminium carborundum (composite ceramics) based high-power LED rare earth thick film circuit electrode slurry technology of preparing.
For Re-alsic rare earth-aluminium carborundum (composite ceramics) based high-power LED rare earth thick film circuit series of electrode slurry:
1, microcrystalline glass formula: SiO
232%, Ai
2o
318%, CaO15%, Bi
2o
316%, B
2o
39%, La
2o
33%, TiO
25%, ZrO
22%;
2, devitrified glass preparation technology: 1200 DEG C are incubated 135 minutes.
3, aluminium powder prepares granulation: vibrator ball milling → star-like agitating ball mill → powder granularity ≮ 3 μm;
4, silver, palladium, yttrium powder footpath ≮ 2 μm.
5, organic solvent formula dissolution process: terpinol 69%, tributyl citrate 12%, ethyl cellulose 5%, NC Nitroncellulose 5%, hydrogenated castor oil 5%, lecithin 4%, each component is by water-bath 150 minutes in 80 ~ 90 DEG C of water temperatures after proportioning mixing.
6, comprehensive size mixing technology: function phase and organic carrier weight ratio are: 75: 25, carry out three rod rollings after being placed in three-dimensional material mixer dispersed with stirring.
7, rare earth size performance parameter:
1. electrical property:
| Sheet resistance | Resolution | TCR/ppm/℃ | Aging intensity |
| 5±1mΩ/□ | 0.1mm | 500±30ppm×10 -6/℃ | ＞10(N/mm 2) |
2. physical property
| Rheological behavior | Sheet resistance layer thickness | Slurry viscosity | Unit dose |
| Thixotroping should wire mark | 12±2μm | 120±20Pas/10RPM | 82cm 2/ gram |
The present embodiment composite substrate performance
| Thermal conductivity | ＞200 | W/m.K(25℃)GB11108-89 |
| Density | ＞3.00 | g/cm 2(LF)GB3850-83 |
| Thermal coefficient of expansion | 6.5-9.5x10-6/K | ppm/℃(25-150℃)GB/T4339-1999 |
| Resistivity | 10 | μΩ·㎝?GB5167-85 |
Note: slurry was placed for a long time, needs before using to carry out homogenized.
The above is only one of the preferred embodiments of the present invention, two, adjusts function phase constituent of the present invention, content and preparation technology, and composite material rare earth thick mould circuit series resistance slurry can be compatible with various metals, non-metal base plate dielectric paste.Such as: aluminum oxide substrate (Al
2o
3), aluminium nitride (AIN) substrate, composite substrate, crystallite glass substrate, copper alloy substrate, aluminium alloy base plate, titanium alloy substrate, aluminum bronze composite base plate, aluminum steel composite base plate etc.
The present invention adopts technique scheme successful, and especially each function is filled a prescription mutually all containing rare earth element.Owing to adding rare earth metal, the compatibility of slurry, wettability, hot property, electrical property, optical property, manufacturability, adaptability have a significant improvement raising, and composite ceramic-based LED rare earth thick film circuit is gained the name thus.Composite ceramic-based LED rare earth thick film circuit electrode slurry is successfully developed, has been applied ground-breaking innovative significance.
It is emphasized that the present invention's example Re-alsic-rare earth-aluminium silicon carbide-based LED thick film circuit series resistance Size Technology parameter is through design modifying, be not only applicable to the present invention, be also applicable to prepare the high-power rare earth thick film circuit electric heating element in electric heating field, Intelligent electric-heating chip.These all belong to protection scope of the present invention.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, and without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (5)
1. a composite material base rare earth thick film circuit electrode slurry, it is characterized in that, it comprises solid-phase component, organic solvent carriers and rare earth oxide, and weight sum and the organic solvent carriers weight ratio of solid-phase component, rare earth oxide are: 70 ~ 90%: 30 ~ 10%; In solid-phase component, the weight ratio of silver-colored aluminium yttrium composite powder and microcrystalline glass powder is: 99.4 ~ 94%: 0.6 ~ 6%; In silver aluminium yttrium composite powder, the particle diameter of aluminium powder, silver powder and yttrium powder is less than 2 μm, and the weight ratio of aluminium powder, silver powder and yttrium powder is: 0.6 ~ 10%: 99 ~ 82%: 0.4 ~ 8%.
2. composite material base rare earth thick film circuit electrode slurry according to claim 1, is characterized in that, described devitrified glass is P
2o
5, ZnO, K
2o, B
2o
3, SnO
2be low melting point devitrified glass, weight ratio is followed successively by: P
2o
535-55%, ZnO35-50%, K
2o5-10%, B
2o
30-10%, SnO
20-10%, SiO
20-5%, Li
2o0-2%, Al
2o
32-5%, CuO0-1.5%.
3. composite material base rare earth thick film circuit electrode slurry according to claim 1, it is characterized in that, each composition weight proportioning of described organic solvent carriers is: terpinol 60 ~ 98%, tributyl citrate 10 ~ 30%, ethyl cellulose 2 ~ 10%, NC Nitroncellulose 1 ~ 5%, hydrogenated castor oil 0.1 ~ 5%, lecithin 0.1 ~ 5%.
4. composite material base rare earth thick film circuit electrode slurry according to claim 1, it is characterized in that, described rare earth oxide is; One or more oxides in lanthanum, cerium, neodymium, promethium, gadolinium, erbium, scandium and yttrium, increase or replace the one or more of above-mentioned microcrystalline glass powder.
5. a preparation technology for the composite material base rare earth thick film circuit electrode slurry as described in claim 1-4 any one, it is characterized in that, its concrete steps are as follows:
1) preparation of Fine Aluminum Powder
By the alloy aluminum melting chosen, be placed in totally enclosed high speed disc atomizer, motlten metal is superheated to 250 degrees Celsius, under inert gas shielding, cools rapidly, and speed is 105-107K/S, powder by atomization; The aluminium powder of atomization is delivered to cyclone separator in portion from container, and the spray column being sent to band screen pack after first separation carries out gas solid separation, obtains the Fine Aluminum Powder that particle mean size is 3 ~ 5 μm after drying;
2) preparation of microcrystalline glass powder
Microcrystalline glass powder good for proportioning is mixed in Vacuum mixer and is placed on melting in clock hood type furnace; Smelting temperature is 800 ~ 1200 degrees Celsius, peak value insulation 1-5 hour, and in ionized water, shrend obtains glass dregs; Glass dregs is placed in star-like grinding in ball grinder 2-4 hour and obtains the glass micro mist that particle mean size is not more than 5 microns;
3) preparation of inorganic adhesive phase organic solvent carriers
Main solvent, thickener, surfactant, thixotropic agent, gelling agent in organic solvent carriers are dissolved a few hours by a certain percentage in the water of 80-100 DEG C, adjustment amount of thickener, by the adjustment of the viscosity of organic solvent carriers in the scope of 150 ~ 280mPas;
4) preparation of rare earth electrode slurry
By good for proportioning silver-colored aluminium yttrium composite powder, microcrystalline glass powder inorganic adhesive phase, organic carrier and rare earth oxide through heating bath, be placed in efficient mixing and grinding machine and grind one hour, obtain rare earth electrode slurry through rolling; Concrete technology technology is, by solid phase powder, organic carrier solvent through heating bath, be placed in vacuum three-dimensional hybrid grinder grinding n hour, load three rod milling trains (preferably ceramic roller) rolling, by viscosimeter testing size viscosity, viscosity number is: 150 ~ 200PaS/RPM.
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ID=52374194
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| CN105274558A (en) * | 2015-09-07 | 2016-01-27 | 长春理工大学 | Rare earth electrode, preparing method and flat plate type wind power generating device |
| CN105869706A (en) * | 2016-05-11 | 2016-08-17 | 东莞珂洛赫慕电子材料科技有限公司 | Low-temperature sintering thick film paste applied to PI films and preparation method of low-temperature sintering thick film paste |
| CN114783652A (en) * | 2022-04-29 | 2022-07-22 | 洛阳中超新材料股份有限公司 | Gold conductor wiring slurry co-fired with microwave dielectric ceramic at low temperature and preparation method thereof |
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| CN101321415A (en) * | 2008-07-14 | 2008-12-10 | 王晨 | Rare earth thick film circuit electrical heating element based on aluminum nitride minicrystal ceramic substrates and its preparation technique |
| CN102158993A (en) * | 2011-05-06 | 2011-08-17 | 陈小蕾 | High-temperature aluminum alloy base rare earth thick film circuit electric heating element and preparation technology thereof |
| CN103716924A (en) * | 2013-12-26 | 2014-04-09 | 王克政 | Rare earth thick film circuit electric heating chip and manufacturing technology thereof |
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|---|---|---|---|---|
| CN101321415A (en) * | 2008-07-14 | 2008-12-10 | 王晨 | Rare earth thick film circuit electrical heating element based on aluminum nitride minicrystal ceramic substrates and its preparation technique |
| CN102158993A (en) * | 2011-05-06 | 2011-08-17 | 陈小蕾 | High-temperature aluminum alloy base rare earth thick film circuit electric heating element and preparation technology thereof |
| CN103716924A (en) * | 2013-12-26 | 2014-04-09 | 王克政 | Rare earth thick film circuit electric heating chip and manufacturing technology thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105274558A (en) * | 2015-09-07 | 2016-01-27 | 长春理工大学 | Rare earth electrode, preparing method and flat plate type wind power generating device |
| CN105869706A (en) * | 2016-05-11 | 2016-08-17 | 东莞珂洛赫慕电子材料科技有限公司 | Low-temperature sintering thick film paste applied to PI films and preparation method of low-temperature sintering thick film paste |
| WO2017193598A1 (en) * | 2016-05-11 | 2017-11-16 | 东莞珂洛赫慕电子材料科技有限公司 | Low-temperature sintered thick film paste applied to pi film and method for preparing same |
| CN114783652A (en) * | 2022-04-29 | 2022-07-22 | 洛阳中超新材料股份有限公司 | Gold conductor wiring slurry co-fired with microwave dielectric ceramic at low temperature and preparation method thereof |
| CN114783652B (en) * | 2022-04-29 | 2023-08-15 | 洛阳中超新材料股份有限公司 | Gold conductor wiring slurry co-fired with microwave dielectric ceramic at low temperature and preparation method thereof |
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Application publication date: 20150128 |
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