CN107731340A - A kind of thick-film resistor paste conductive paste material - Google Patents
A kind of thick-film resistor paste conductive paste material Download PDFInfo
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- CN107731340A CN107731340A CN201710778013.5A CN201710778013A CN107731340A CN 107731340 A CN107731340 A CN 107731340A CN 201710778013 A CN201710778013 A CN 201710778013A CN 107731340 A CN107731340 A CN 107731340A
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- ruthenic acid
- lead
- acid lead
- thick
- film resistor
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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
- H01B1/06—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
- H01B1/08—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances oxides
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/003—Thick film resistors
Abstract
The invention discloses a kind of thick-film resistor paste conductive paste material, ruthenic acid lead is included；At least two in ruthenic acid sheath lead containing ruthenic acid A, ruthenic acid lead B and ruthenic acid lead C；The average specific surface area of the ruthenic acid lead A is 3~10m2/ g, average grain diameter are 30~100nm；The average specific surface area of the ruthenic acid lead B is 8~26m2/ g, average grain diameter are 10~60nm；The average specific surface area of the ruthenic acid lead C is 30~80m2/ g, average grain diameter are 3~40nm.The invention also discloses a kind of thick-film resistor paste.Thick-film resistor paste of the present invention is mixed come regulation resistance/TCR with conductive paste material by using the ruthenic acid lead of different specific surface areas and different-grain diameter, is improved electrostatic discharge performance, is reduced Thermo-sensitive and dimensional effect, the resistance especially suitable for middle high value.
Description
Technical field
The present invention relates to a kind of thick-film resistor paste, and in particular to a kind of thick-film resistor paste conductive paste material.
Background technology
Thick-film resistor paste is mainly made up of conductive phase, glass and organic phase, and wherein conductive phase is to determine resistance slurry electricity
Resistive energy pith, its major function are conduction electric currents, and the unit for electrical property parameters of its resistance to preparation, stability have direct shadow
Ring.
Mixing ruthenic oxide (the RuO of different specific surface areas, different mean grain sizes2) resistance/TCR can be adjusted
Control.But mixing ruthenic oxide is used to be only applicable to relatively low (100 Ω~1k Ω) scope of resistance to resistance/TCR regulation and control carried out
Slurry, be difficult to reach the controllable purposes of resistance/TCR for the resistance slurry of higher (>=1k Ω) the resistance section of resistance.This be because
To be and the content of ruthenic oxide based on ruthenic acid lead for middle high value slurry (>=1k Ω), its conductive phase main component
Less (or without), therefore mix RuO2It is difficult to use in regulation and control resistance/TCR purpose.
The content of the invention
A kind of thick-film resistor paste is provided it is an object of the invention to overcome in place of the shortcomings of the prior art with leading
Electric phase material.
To achieve the above object, the technical scheme taken of the present invention is：A kind of thick-film resistor paste conductive paste material, bag
Lead containing ruthenic acid；At least two in ruthenic acid sheath lead containing ruthenic acid A, ruthenic acid lead B and ruthenic acid lead C；The ruthenic acid lead A's is averaged
Specific surface area is 3~10m2/ g, average grain diameter are 30~100nm；The average specific surface area of the ruthenic acid lead B is 8~26m2/ g,
Average grain diameter is 10~60nm；The average specific surface area of the ruthenic acid lead C is 30-80m2/ g, average grain diameter are 3~40nm.
In conductive phase mass fraction under the same conditions, 1) conductive phase specific surface area is smaller, and particle diameter is bigger, in unit volume
Amounts of particles tail off, when forming conductive network conductive chain number reduce, show as resistance (R) as conductive phase compares surface
Product reduces and increased；2) temperature coefficient show as on the occasion of conductive phase content reduce, cause temperature coefficient (TCR) reduce；3) when
Conductive phase particle diameter is bigger, is more advantageous to that it is scattered, same good scattered also to reduce so can improve the electrostatic effect of slurry
Thermo-sensitive, dimensional effect.Similarly, conductive phase specific surface area is bigger, and particle diameter is smaller, and the granule number quantitative change in unit volume is more, leads
Current source number increase, show as resistance reduction, temperature coefficient show as on the occasion of conductive phase content increase, cause TCR to increase；
But particle diameter is smaller to be more unfavorable for disperseing, and the performance such as electrostatic deteriorates therewith.
Although the single ruthenic acid lead than table can effectively adjust resistance, it is qualified or optimal that other performances are difficult to, therefore,
By the present invention in that realizing regulation R/TCR with the ruthenic acid lead for mixing different physical characteristics, improve electrostatic, reduce Thermo-sensitive, size
The purpose of effect.
Preferably, ruthenic acid sheath lead containing ruthenic acid A and ruthenic acid lead B mixture；Ruthenic acid lead A and ruthenic acid the lead B's
Weight ratio is：Ruthenic acid lead A：Ruthenic acid lead B=1:0.05~10.
The thick-film resistor that the conductive paste material of thick-film resistor paste is prepared using the ruthenic acid lead containing said ratio
Standard resistance range is 1k Ω~1G Ω；Thermo-sensitive can reach ± 20%, and change in resistance caused by dimensional effect can be controlled in ± 15%,
TCR changes are can be controlled within ± 10ppm caused by dimensional effect.
Preferably, ruthenic acid sheath lead containing ruthenic acid A and ruthenic acid lead C mixture；Ruthenic acid lead A and ruthenic acid the lead C's
Weight ratio is：Ruthenic acid lead A：Ruthenic acid lead C=1:0.01~5.
The thick-film resistor that the conductive paste material of thick-film resistor paste is prepared using the ruthenic acid lead containing said ratio
Standard resistance range is 100 Ω~100M Ω；Thermo-sensitive can reach ± 20%, and change in resistance caused by dimensional effect can be controlled in ±
15%, TCR changes caused by dimensional effect are can be controlled within ± 10ppm.
Preferably, ruthenic acid sheath lead containing ruthenic acid B and ruthenic acid lead C mixture；Ruthenic acid lead B and ruthenic acid the lead C's
Weight ratio is：Ruthenic acid lead B：Ruthenic acid lead C=1:0.01~10.
The thick-film resistor that the conductive paste material of thick-film resistor paste is prepared using the ruthenic acid lead containing said ratio
Standard resistance range is 100 Ω~10M Ω；Thermo-sensitive can reach ± 20%, and change in resistance caused by dimensional effect can be controlled in ±
10%, TCR changes caused by dimensional effect are can be controlled within ± 10ppm.
Preferably, ruthenic acid sheath lead containing ruthenic acid A, ruthenic acid lead B and ruthenic acid lead C mixture；The ruthenic acid lead A, ruthenium
Lead plumbate B and ruthenic acid lead C weight ratio is：Ruthenic acid lead A：Ruthenic acid lead B：Ruthenic acid lead C=0.1~10：1：0.05~10.
The thick-film resistor that the conductive paste material of thick-film resistor paste is prepared using the ruthenic acid lead containing said ratio
Standard resistance range is 100 Ω~1G Ω；Thermo-sensitive can reach ± 20%, and change in resistance caused by dimensional effect can be controlled in ±
10%, TCR changes caused by dimensional effect are can be controlled within ± 10ppm.
Preferably, the preparation method of the ruthenic acid lead is：It is 1 in molar ratio:1 weighs RuO2And PbO, by RuO2, PbO, second
Alcohol mixes with zirconium ball, 12~24h of ball milling, is dried under the conditions of 85~95 DEG C, grinds, sieves, and is forged under the conditions of 750~900 DEG C
Burn, obtain ruthenic acid lead.
The preparation method of ruthenic acid lead has a variety of, and present invention preferably employs above-mentioned solid phase method to synthesize ruthenic acid lead.Solid phase method closes
The specific surface area and particle size of ruthenic acid lead can be better controled over into ruthenic acid lead.Specifically, when ruthenic acid lead material is heated,
With the progress of the sintering of ruthenic acid lead, crystal grain gradually increases, and makes that mean grain size is bigger and average specific surface area is smaller, this
In the case of, if selected heating-up temperature and heat time, can be produced from identical ruthenic acid lead material with not
With the various ruthenic acid lead solids of grain size and different specific surface areas.Therefore, can be controlled by controlling different calcining heats
The specific surface area of ruthenic acid lead, heretofore described ruthenic acid lead A sintering temperature is 850~950 DEG C, ruthenic acid lead B sintering temperature
For 700~900 DEG C, ruthenic acid lead C sintering temperature is 500~700 DEG C, is 5~80m so as to obtain specific surface area2/ g, particle diameter are
0.1~2 μm of ruthenic acid lead.
Preferably, the RuO2Weight ratio with PbO, ethanol, zirconium ball is：RuO2And PbO：Ethanol：Zirconium ball=1：5：
20。
Another object of the present invention, which also resides in, provides a kind of thick film containing above-mentioned thick-film resistor paste conductive paste material
Resistance slurry.
Preferably, weight percentage of the thick-film resistor paste conductive paste material in thick-film resistor paste be 5~
70%.
The beneficial effects of the present invention are：The invention provides a kind of thick-film resistor paste conductive paste material, the present invention
The thick-film resistor paste is mixed to adjust with conductive paste material by using the ruthenic acid lead of different specific surface areas and different-grain diameter
R/TCR, improve electrostatic discharge performance, reduce Thermo-sensitive and dimensional effect.
Embodiment
To better illustrate the object, technical solutions and advantages of the present invention, below in conjunction with specific embodiment to the present invention
It is described further.
Embodiment 1
A kind of embodiment of thick-film resistor paste conductive paste material of the present invention, the conduction of the thick-film resistor paste
Phase material includes the component of following weight percentage：Ruthenic acid lead 95% and ruthenic oxide 5%；
Wherein, ruthenic acid lead is ruthenic acid lead A and ruthenic acid lead B mixture；Ruthenic acid lead A average specific surface area is 10m2/ g,
Average grain diameter is 30nm；The average specific surface area of the ruthenic acid lead B is 25m2/ g, average grain diameter 10nm；Ruthenic acid lead A and ruthenic acid
Lead B weight ratio is：Ruthenic acid lead A：Ruthenic acid lead B=1:2；The average specific surface area of ruthenic oxide is 58m2/g。
A kind of thick-film resistor paste containing thick-film resistor paste conductive paste material described in the present embodiment, comprising following heavy
Measure the component of percentage composition：Conductive phase 25%, glass composition 35% and organic phase 40%；
The glass composition includes glass A, glass B, glass C and glass D；In the glass composition, the glass
Glass A weight percentage is 20%, and the weight percentage of the glass B is 45%, the weight percentage of the glass C
For 25%, the weight percentage of the glass D is 10%, and the glass A includes the component of following weight percentage：PbO
40%th, SiO236%th, CaO 10%, Al2O310%th, B2O31% and ZnO 3%；
The glass B includes the component of following weight percentage：SiO240%th, BaO 15%, SrO 5%, Na2O
5%th, K2O 5%, Al2O313%th, B2O312% and ZnO 5%；
The glass C includes the component of following weight percentage：PbO 50%, SiO230%th, Al2O31%th, B2O39%
With ZnO 10%；
The glass D includes the component of following weight percentage：PbO 80%, SiO210%th, Al2O39% and B2O3
1%.
The organic phase includes resin and solvent, and resin is methylcellulose；Solvent is dioctyl phthalate.
Embodiment 2
A kind of embodiment of thick-film resistor paste conductive paste material of the present invention, the conduction of the thick-film resistor paste
Phase material includes the component of following weight percentage：Ruthenic acid lead 95% and ruthenic oxide 5%；
Wherein, ruthenic acid lead is ruthenic acid lead A and ruthenic acid lead B mixture；Ruthenic acid lead A average specific surface area is 3m2/ g, put down
Equal particle diameter is 95nm；The average specific surface area of the ruthenic acid lead B is 8m2/ g, average grain diameter 53nm；Ruthenic acid lead A and ruthenic acid lead B
Weight ratio be：Ruthenic acid lead A：Ruthenic acid lead B=1:10；The average specific surface area of ruthenic oxide is 58m2/g.One kind contains this
The thick-film resistor paste of thick-film resistor paste conductive paste material described in embodiment, the conductive phase of the thick-film resistor paste contain
Amount, the species and content of glass, the species and content of organic phase are same as Example 1.
Embodiment 3
A kind of embodiment of thick-film resistor paste conductive paste material of the present invention, the conduction of the thick-film resistor paste
Phase material includes the component of following weight percentage：Ruthenic acid lead 95% and ruthenic oxide 5%；
Wherein, ruthenic acid lead is ruthenic acid lead A and ruthenic acid lead C mixture；Ruthenic acid lead A average specific surface area is 5m2/ g, put down
Equal particle diameter is 68nm；The average specific surface area of the ruthenic acid lead C is 76m2/ g, average grain diameter 4nm；Ruthenic acid lead A and ruthenic acid lead C
Weight ratio be：Ruthenic acid lead A：Ruthenic acid lead C=1:3；The average specific surface area of ruthenic oxide is 58m2/g。
A kind of thick-film resistor paste containing thick-film resistor paste conductive paste material described in the present embodiment, the thick film electricity
The content of the conductive phase of resistance paste, the species and content of glass, the species and content of organic phase are same as Example 1.
Embodiment 4
A kind of embodiment of thick-film resistor paste conductive paste material of the present invention, the conduction of the thick-film resistor paste
Phase material includes the component of following weight percentage：Ruthenic acid lead 95% and ruthenic oxide 5%；
Wherein, ruthenic acid lead is ruthenic acid lead A and ruthenic acid lead C mixture；Ruthenic acid lead A average specific surface area is 7m2/ g, put down
Equal particle diameter is 88nm；The average specific surface area of the ruthenic acid lead C is 40m2/ g, average grain diameter 35nm；Ruthenic acid lead A and ruthenic acid lead
C weight ratio is：Ruthenic acid lead A：Ruthenic acid lead C=1:0.02；The average specific surface area of ruthenic oxide is 58m2/g。
A kind of thick-film resistor paste containing thick-film resistor paste conductive paste material described in the present embodiment, the thick film electricity
The content of the conductive phase of resistance paste, the species and content of glass, the species and content of organic phase are same as Example 1.
Embodiment 5
A kind of embodiment of thick-film resistor paste conductive paste material of the present invention, the conduction of the thick-film resistor paste
Phase material includes the component of following weight percentage：Ruthenic acid lead 95% and ruthenic oxide 5%；
Wherein, ruthenic acid lead is ruthenic acid lead B and ruthenic acid lead C mixture；Ruthenic acid lead B average specific surface area is 20m2/ g,
Average grain diameter is 34nm；The average specific surface area of the ruthenic acid lead C is 62m2/ g, average grain diameter 9nm；Ruthenic acid lead B and ruthenic acid
Lead C weight ratio is：Ruthenic acid lead B：Ruthenic acid lead C=1:8；The average specific surface area of ruthenic oxide is 58m2/g。
A kind of thick-film resistor paste containing thick-film resistor paste conductive paste material described in the present embodiment, the thick film electricity
The content of the conductive phase of resistance paste, the species and content of glass, the species and content of organic phase are same as Example 1.
Embodiment 6
A kind of embodiment of thick-film resistor paste conductive paste material of the present invention, the conduction of the thick-film resistor paste
Phase material includes the component of following weight percentage：Ruthenic acid lead 95% and ruthenic oxide 5%；
Wherein, ruthenic acid lead is ruthenic acid lead B and ruthenic acid lead C mixture；Ruthenic acid lead B average specific surface area is 15m2/ g,
Average grain diameter is 78nm；The average specific surface area of the ruthenic acid lead C is 55m2/ g, average grain diameter 26nm；Ruthenic acid lead B and ruthenic acid
Lead C weight ratio is：Ruthenic acid lead B：Ruthenic acid lead C=1:1；The average specific surface area of ruthenic oxide is 58m2/g。
A kind of thick-film resistor paste containing thick-film resistor paste conductive paste material described in the present embodiment, the thick film electricity
The content of the conductive phase of resistance paste, the species and content of glass, the species and content of organic phase are same as Example 1.
Embodiment 7
A kind of embodiment of thick-film resistor paste conductive paste material of the present invention, the conduction of the thick-film resistor paste
Phase material includes the component of following weight percentage：Ruthenic acid lead 95% and ruthenic oxide 5%；
Wherein, ruthenic acid lead is ruthenic acid lead A, ruthenic acid lead B and ruthenic acid lead C mixture；Ruthenic acid lead A average specific surface area is
8m2/ g, average grain diameter 73nm；Ruthenic acid lead B average specific surface area is 23m2/ g, average grain diameter 43nm；The ruthenic acid lead C
Average specific surface area be 71m2/ g, average grain diameter 6nm；Ruthenic acid lead A, ruthenic acid lead B and ruthenic acid lead C weight ratio is：Ruthenium
Lead plumbate A：Ruthenic acid lead B：Ruthenic acid lead C=8:1:0.2；The average specific surface area of ruthenic oxide is 58m2/g。。
A kind of thick-film resistor paste containing thick-film resistor paste conductive paste material described in the present embodiment, the thick film electricity
The content of the conductive phase of resistance paste, the species and content of glass, the species and content of organic phase are same as Example 1.
Embodiment 8
A kind of embodiment of thick-film resistor paste conductive paste material of the present invention, the conduction of the thick-film resistor paste
Phase material includes the component of following weight percentage：Ruthenic acid lead 95% and ruthenic oxide 5%；
Wherein, ruthenic acid lead is ruthenic acid lead A, ruthenic acid lead B and ruthenic acid lead C mixture；Ruthenic acid lead A average specific surface area is
5m2/ g, average grain diameter 85nm；Ruthenic acid lead B average specific surface area is 14m2/ g, average grain diameter 48nm；The ruthenic acid lead C
Average specific surface area be 32m2/ g, average grain diameter 38nm；Ruthenic acid lead A, ruthenic acid lead B and ruthenic acid lead C weight ratio is：Ruthenium
Lead plumbate A：Ruthenic acid lead B：Ruthenic acid lead C=0.1:1:2；The average specific surface area of ruthenic oxide is 58m2/g。
A kind of thick-film resistor paste containing thick-film resistor paste conductive paste material described in the present embodiment, the thick film electricity
The content of the conductive phase of resistance paste, the species and content of glass, the species and content of organic phase are same as Example 1.
Comparative example 1
A kind of comparative example of thick-film resistor paste conductive paste material of the present invention, thick-film resistor described in this comparative example are starched
The conductive paste material of material and the difference that the difference is that only ruthenic acid lead species of embodiment 1；Ruthenic acid lead described in this comparative example is only
Ruthenic acid lead A.
A kind of thick-film resistor paste containing thick-film resistor paste conductive paste material described in this comparative example, the thick film electricity
The content of the conductive phase of resistance paste, the species and content of glass, the species and content of organic phase are same as Example 1.
Comparative example 2
A kind of comparative example of thick-film resistor paste conductive paste material of the present invention, thick-film resistor described in this comparative example are starched
The conductive paste material of material and the difference that the difference is that only ruthenic acid lead species of embodiment 1；Ruthenic acid lead described in this comparative example is only
Ruthenic acid lead B.
A kind of thick-film resistor paste containing thick-film resistor paste conductive paste material described in this comparative example, the thick film electricity
The content of the conductive phase of resistance paste, the species and content of glass, the species and content of organic phase are same as Example 1.
Comparative example 3
A kind of comparative example of thick-film resistor paste conductive paste material of the present invention, thick-film resistor described in this comparative example are starched
The conductive paste material of material and the difference that the difference is that only ruthenic acid lead species of embodiment 3；Ruthenic acid lead described in this comparative example is only
Ruthenic acid lead C.
A kind of thick-film resistor paste containing thick-film resistor paste conductive paste material described in this comparative example, the thick film electricity
The content of the conductive phase of resistance paste, the species and content of glass, the species and content of organic phase are same as Example 1.
Embodiment 9
Embodiment 1~8 and 1~3 thick-film resistor paste of comparative example are prepared into resistance, and each implementation of test respectively
30 resistance in 0.8*0.8cm in example2And 0.5*0.5cm2Under, thickness of dry film after printing is 9~11 μm of average resistance
It is value, the average cold resistance temperature coefficient value (CTCR) at -55 DEG C, the average heat resistance temperature coefficient value (HTCR) at 155 DEG C, flat
(test sintering temperature is respectively the resistance change under the conditions of 830 DEG C, 850 DEG C, 870 DEG C for equal electrostatic discharge performance (ESD), Thermo-sensitive
Change), wherein, ESD test condition is：Resistance is discharged under the conditions of ± 5kV, respectively 5kV is discharged 3 times, and then -5kV is put
Electricity 3 times, each interval time is 1s, the resistance value before record test and after test.Embodiment 1~8 and the institute of comparative example 1~3
The test result for stating resistance made of thick-film resistor paste is shown in Tables 1 and 2 respectively.
The performance test results for the resistance that 1 embodiment of table, 1~8 thick-film resistor paste is prepared
The performance test results for the resistance that 2 comparative example of table, 1~3 thick-film resistor paste is prepared
It is can be seen that from the contrast of Tables 1 and 2 compared with comparative example 1~3,1~8 thick-film resistor paste of embodiment
The resistance TCR and Thermo-sensitive being prepared are relatively stable, and ESD is smaller, and explanation can be by using mixing ruthenic acid of the present invention
Lead prepares the resistance slurry of the different resistance sizes in the range of 1k Ω~20M Ω, to meet different demands, prepared resistance
The Thermo-sensitive of resistance made of slurry is kept within ± 20% substantially, and static discharge is within ± 3, and the chi between different size
Very little effect is small.Illustrate that thick-film resistor paste of the present invention can effectively improve the static discharge of thick-film resistor paste with conductive material
Performance, reduce Thermo-sensitive and dimensional effect.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than the present invention is protected
The limitation of scope is protected, although being explained in detail with reference to preferred embodiment to the present invention, one of ordinary skill in the art should
Understand, technical scheme can be modified or equivalent substitution, without departing from the essence of technical solution of the present invention
And scope.
Claims (9)
1. a kind of thick-film resistor paste conductive paste material, it is characterised in that include ruthenic acid lead；The ruthenic acid sheath lead containing ruthenic acid
A, at least two in ruthenic acid lead B and ruthenic acid lead C；The average specific surface area of the ruthenic acid lead A is 3~10m2/ g, average grain diameter
For 30~100nm；The average specific surface area of the ruthenic acid lead B is 8~26m2/ g, average grain diameter are 10~60nm；The ruthenic acid
Lead C average specific surface area is 30~80m2/ g, average grain diameter are 3~40nm.
2. thick-film resistor paste conductive paste material as claimed in claim 1, it is characterised in that the ruthenic acid sheath lead containing ruthenic acid
A and ruthenic acid lead B mixture；The weight ratio of ruthenic acid lead A and ruthenic acid the lead B is：Ruthenic acid lead A：Ruthenic acid lead B=1:0.05~
10。
3. thick-film resistor paste conductive paste material as claimed in claim 1, it is characterised in that the ruthenic acid sheath lead containing ruthenic acid
A and ruthenic acid lead C mixture；The weight ratio of ruthenic acid lead A and ruthenic acid the lead C is：Ruthenic acid lead A：Ruthenic acid lead C=1:0.01~
5。
4. thick-film resistor paste conductive paste material as claimed in claim 1, it is characterised in that the ruthenic acid sheath lead containing ruthenic acid
B and ruthenic acid lead C mixture；The weight ratio of ruthenic acid lead B and ruthenic acid the lead C is：Ruthenic acid lead B：Ruthenic acid lead C=1:0.01~
10。
5. thick-film resistor paste conductive paste material as claimed in claim 1, it is characterised in that the ruthenic acid sheath lead containing ruthenic acid
A, ruthenic acid lead B and ruthenic acid lead C mixture；The ruthenic acid lead A, ruthenic acid lead B and ruthenic acid lead C weight ratio is：Ruthenic acid lead A：
Ruthenic acid lead B：Ruthenic acid lead C=0.1~10：1：0.05~10.
6. the thick-film resistor paste conductive paste material as any one of Claims 1 to 5, it is characterised in that the ruthenic acid
The preparation method of lead is：It is 1 in molar ratio:1 weighs RuO2And PbO, by RuO2, PbO, ethanol mixed with zirconium ball, ball milling 12~
24h, dried under the conditions of 85~95 DEG C, grind, sieve, calcined under the conditions of 750~900 DEG C, obtain ruthenic acid lead.
7. thick-film resistor paste conductive paste material as claimed in claim 6, it is characterised in that the RuO2With PbO, ethanol, zirconium
The weight ratio of ball is：RuO2And PbO：Ethanol：Zirconium ball=1：5：20.
A kind of 8. thick-film resistor paste containing thick-film resistor paste conductive paste material any one of claim 1~7.
9. thick-film resistor paste as claimed in claim 8, it is characterised in that the thick-film resistor paste conductive paste material is in thick film
Weight percentage in resistance slurry is 5~70%.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108053960A (en) * | 2017-10-23 | 2018-05-18 | 潮州三环（集团）股份有限公司 | A kind of thick-film resistor paste |
| CN109637695A (en) * | 2018-12-12 | 2019-04-16 | 西安宏星电子浆料科技有限责任公司 | A kind of high-performance thick-film resistor paste composition |
| CN111453781A (en) * | 2020-03-10 | 2020-07-28 | 潮州三环（集团）股份有限公司 | Preparation method of lead ruthenate for resistor paste |
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| CN109637695A (en) * | 2018-12-12 | 2019-04-16 | 西安宏星电子浆料科技有限责任公司 | A kind of high-performance thick-film resistor paste composition |
| CN111453781A (en) * | 2020-03-10 | 2020-07-28 | 潮州三环（集团）股份有限公司 | Preparation method of lead ruthenate for resistor paste |
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| CN107731340B (en) | 2019-06-07 |
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