CN107221372A - A kind of silver paste of annular voltage-sensitive resistor welding and preparation method thereof - Google Patents
A kind of silver paste of annular voltage-sensitive resistor welding and preparation method thereof Download PDFInfo
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- CN107221372A CN107221372A CN201710436853.3A CN201710436853A CN107221372A CN 107221372 A CN107221372 A CN 107221372A CN 201710436853 A CN201710436853 A CN 201710436853A CN 107221372 A CN107221372 A CN 107221372A
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- parts
- silver paste
- powder
- sensitive resistor
- silver
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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
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
Abstract
The invention discloses a kind of silver paste of annular voltage-sensitive resistor welding and preparation method thereof, the silver paste includes following components according to parts by weight：20 ~ 40 parts of organic solvent, 5 ~ 15 parts of silver powder, 1.5 ~ 3.5 parts of metal oxide powder, 6 ~ 12 parts of diluent, 20 ~ 30 parts of organic carrier, 3 ~ 10 parts of lead-free glass powder.A kind of silver paste for annular voltage-sensitive resistor welding that the present invention is provided, go for two kinds of welding manners of immersed solder and Reflow Soldering, silver paste can improve solderability and soldering resistance, the heavy metal such as not leaded chromium of used raw material, pollution will not be produced to environment, will not be detrimental to health.Contain silver powder and metal oxide powder in the silver paste, form the interface of carrier height conducting, drastically increase the electrical efficiency of slurry so that piezoresistor has good electricity conduction property.
Description
Technical field
The invention belongs to resistor manufacture field, and in particular to a kind of silver paste and its system of annular voltage-sensitive resistor welding
Preparation Method.
Background technology
Piezo-resistance is a kind of resistance device with nonlinear wind vibration, is mainly used in entering when circuit bears overvoltage
Row voltage clamping, absorbs unnecessary electric current to protect Sensitive Apparatus.The resistor material of piezoresistor is semiconductor, so it
It is a kind of semiconductor resistor." zinc oxide " largely used now（ZnO）Piezoresistor, its material of main part has
Diad zinc（Zn）With hexad oxygen（O）Constituted.So from the perspective of material, zinc oxide varistor is one
Plant " II-VI race's oxide semiconductor ".In TaiWan, China, piezoresistor is referred to as " surge absorber " and is otherwise referred to as " electricity punching
Hit（Surge）Suppressor（Absorber）.
Annular voltage-sensitive resistor has pressure-sensitive and electric capacity complex function simultaneously.Sensitive electrical is forced down, and can accomplish 3-30V；It is non-
Linear characteristic is excellent, and α values reach 3-10；Capacitance is big, 10-150nF；Have voltage change ratio after welding small simultaneously, resistance to pulse feature
Can be good, reliability, stability is good, and a variety of premium properties such as upper machine qualification rate height, the spark for being widely used in miniature motor disappears
Except the protection with DC micromotor in noise absorption and various electrical equipment.
Current is annular pressure-sensitive usual with double-deck silver paste：Ohm layer slurry is first printed, top layer slurry is republished after drying
Expect, afterwards co-sintering.Ohm layer slurry is mainly silver-colored zinc slurry, and top layer slurry is silver paste.Thus, typography is more multiple
Miscellaneous, while double-deck slurry also causes the consumption of silver than larger, constantly soaring with recent noble metal price, cost certainly will increase
Plus.
The content of the invention
In view of the above-mentioned problems, the technical problem to be solved in the present invention be a kind of annular voltage-sensitive resistor welding silver paste and
Its preparation method, the silver paste can improve welding effect, and cost is relatively low.
To achieve the above object, the technical scheme is that：A kind of silver paste of annular voltage-sensitive resistor welding, according to
Parts by weight include following components：20 ~ 40 parts of organic solvent, 5 ~ 15 parts of silver powder, 1.5 ~ 3.5 parts of metal oxide powder, diluent 6
~ 12 parts, 20 ~ 30 parts of organic carrier, 3 ~ 10 parts of lead-free glass powder.
Preferably, the silver powder is the unsetting crystallization silver powder that particle diameter is 0.2 ~ 1.0 μm.
Preferably, the organic solvent is ethylene glycol, petroleum ether, ethyl propionate, oleic acid, neck dibatyl phithalate, pine
One or several kinds in oleyl alcohol and propyl alcohol.
Preferably, the diluent be selected from butyl carbitol, cyclohexanone, MEK, cyclohexanone, benzene,toluene,xylene,
One or several kinds in n-butanol and styrene.
Preferably, the metal oxide powder is Zinc oxide powder, nickel oxide powder, titanium dioxide powder, cupric oxide powder
End, alumina powder and ferrous oxide powder.
A kind of preparation method of the silver paste of annular voltage-sensitive resistor welding, is mainly included the following steps that：
Step 1：Organic carrier is prepared, according to 5 ~ 10 parts of weight organic resin, 2 ~ 8 parts of abienol, surfactant 2.5
~ 6.5 parts, organic resin, abienol, surfactant are mixed and heated in water-bath so that raw material, which is completely dissolved, to be produced
Organic carrier；
Step 2：Silver paste is prepared, according to composition proportion, by organic solvent, silver powder, metal oxide powder, organic carrier and unleaded
Glass dust is added in de-airing mixer stirs 30 ~ 90min with 200 ~ 300r/min rotating speed, and diluent is added afterwards and is tuned into paste
Shape, fineness is ground to grinder for 20 ~ 40 μm, the silver paste of annular voltage-sensitive resistor welding is produced.
Preferably, the surfactant in the step 1 is lecithin, glycerin monostearate, sucrose ester, lauryl Portugal
One or more in polyglycoside and polysorbate.
Preferably, the vacuum of the de-airing mixer in the step 2 is 0.02 ~ 0.08MPa.
The beneficial effects of the present invention are：A kind of silver paste for annular voltage-sensitive resistor welding that the present invention is provided, can be with
Suitable for two kinds of welding manners of immersed solder and Reflow Soldering, silver paste can improve solderability and soldering resistance, and used raw material is not leaded
The heavy metals such as chromium, will not produce pollution to environment, will not be detrimental to health.Contain silver powder and metal oxide powder in the silver paste
End, forms the interface of carrier height conducting, drastically increases the electrical efficiency of slurry so that piezoresistor has good
Electricity conduction property.Preparation is simple for this, and cost is low, pollution-free, is adapted to industrialized production.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is described in further detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, do not limit
The fixed present invention.
Embodiment 1
A kind of silver paste of annular voltage-sensitive resistor welding, includes following components according to parts by weight：20 parts of organic solvent, silver powder 5
Part, 1.5 parts of metal oxide powder, 6 parts of diluent, 20 parts of organic carrier, 3 parts of lead-free glass powder.
The silver powder is the unsetting crystallization silver powder that particle diameter is 0.2 μm.
The organic solvent is ethylene glycol, petroleum ether, ethyl propionate, oleic acid, neck dibatyl phithalate, terpinol and third
One or several kinds in alcohol.
The diluent be selected from butyl carbitol, cyclohexanone, MEK, cyclohexanone, benzene,toluene,xylene, n-butanol and
One or several kinds in styrene.
The metal oxide powder is Zinc oxide powder, nickel oxide powder, titanium dioxide powder, cupric oxide powder, oxidation
Aluminium powder and ferrous oxide powder.
A kind of preparation method of the silver paste of annular voltage-sensitive resistor welding, is mainly included the following steps that：
Step 1：Organic carrier is prepared, will according to 5 parts of weight organic resin, 2 parts of abienol, 2.5 parts of surfactant
Organic resin, abienol, surfactant mixing are simultaneously heated in water-bath so that raw material, which is completely dissolved, produces organic carrier；
Step 2：Silver paste is prepared, according to composition proportion, by organic solvent, silver powder, metal oxide powder, organic carrier and unleaded
Glass dust is added in de-airing mixer stirs 30min with 200r/min rotating speed, and diluent is added afterwards and is tuned into pasty state, with grinding
Grinding machine is ground to fineness for 20 μm, produces the silver paste of annular voltage-sensitive resistor welding.
Surfactant in the step 1 is lecithin, glycerin monostearate, sucrose ester, lauryl glucoside
With the one or more in polysorbate.
The vacuum of de-airing mixer in the step 2 is 0.02MPa.
Embodiment 2
A kind of silver paste of annular voltage-sensitive resistor welding, includes following components according to parts by weight：30 parts of organic solvent, silver powder 10
Part, 2.5 parts of metal oxide powder, 8 parts of diluent, 25 parts of organic carrier, 7 parts of lead-free glass powder.
The silver powder is the unsetting crystallization silver powder that particle diameter is 0.5 μm.
The organic solvent is ethylene glycol, petroleum ether, ethyl propionate, oleic acid, neck dibatyl phithalate, terpinol and third
One or several kinds in alcohol.
The diluent be selected from butyl carbitol, cyclohexanone, MEK, cyclohexanone, benzene,toluene,xylene, n-butanol and
One or several kinds in styrene.
The metal oxide powder is Zinc oxide powder, nickel oxide powder, titanium dioxide powder, cupric oxide powder, oxidation
Aluminium powder and ferrous oxide powder.
A kind of preparation method of the silver paste of annular voltage-sensitive resistor welding, is mainly included the following steps that：
Step 1：Organic carrier is prepared, will according to 7 parts of weight organic resin, 6 parts of abienol, 4.5 parts of surfactant
Organic resin, abienol, surfactant mixing are simultaneously heated in water-bath so that raw material, which is completely dissolved, produces organic carrier；
Step 2：Silver paste is prepared, according to composition proportion, by organic solvent, silver powder, metal oxide powder, organic carrier and unleaded
Glass dust is added in de-airing mixer stirs 60min with 250r/min rotating speed, and diluent is added afterwards and is tuned into pasty state, with grinding
Grinding machine is ground to fineness for 30 μm, produces the silver paste of annular voltage-sensitive resistor welding.
Surfactant in the step 1 is lecithin, glycerin monostearate, sucrose ester, lauryl glucoside
With the one or more in polysorbate.
The vacuum of de-airing mixer in the step 2 is 0.05MPa.
Embodiment 3
A kind of silver paste of annular voltage-sensitive resistor welding, includes following components according to parts by weight：40 parts of organic solvent, silver powder 15
Part, 3.5 parts of metal oxide powder, 12 parts of diluent, 30 parts of organic carrier, 10 parts of lead-free glass powder.
The silver powder is the unsetting crystallization silver powder that particle diameter is 1.0 μm.
The organic solvent is ethylene glycol, petroleum ether, ethyl propionate, oleic acid, neck dibatyl phithalate, terpinol and third
One or several kinds in alcohol.
The diluent be selected from butyl carbitol, cyclohexanone, MEK, cyclohexanone, benzene,toluene,xylene, n-butanol and
One or several kinds in styrene.
The metal oxide powder is Zinc oxide powder, nickel oxide powder, titanium dioxide powder, cupric oxide powder, oxidation
Aluminium powder and ferrous oxide powder.
A kind of preparation method of the silver paste of annular voltage-sensitive resistor welding, is mainly included the following steps that：
Step 1：Organic carrier is prepared, according to 10 parts of weight organic resin, 8 parts of abienol, 6.5 parts of surfactant,
By organic resin, abienol, surfactant mix and in water-bath heat so that raw material be completely dissolved produced it is airborne
Body；
Step 2：Silver paste is prepared, according to composition proportion, by organic solvent, silver powder, metal oxide powder, organic carrier and unleaded
Glass dust is added in de-airing mixer stirs 90min with 300r/min rotating speed, and diluent is added afterwards and is tuned into pasty state, with grinding
Grinding machine is ground to fineness for 40 μm, produces the silver paste of annular voltage-sensitive resistor welding.
Surfactant in the step 1 is lecithin, glycerin monostearate, sucrose ester, lauryl glucoside
With the one or more in polysorbate.
The vacuum of de-airing mixer in the step 2 is 0.08MPa.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention is described in detail, for those skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic.All essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (8)
1. a kind of silver paste of annular voltage-sensitive resistor welding, it is characterised in that include following components according to parts by weight：It is organic molten
20 ~ 40 parts of agent, 5 ~ 15 parts of silver powder, 1.5 ~ 3.5 parts of metal oxide powder, 6 ~ 12 parts of diluent, 20 ~ 30 parts of organic carrier, nothing
3 ~ 10 parts of lead glass powder.
2. a kind of silver paste of annular voltage-sensitive resistor welding according to claim 1, it is characterised in that the silver powder is
Particle diameter is 0.2 ~ 1.0 μm of unsetting crystallization silver powder.
3. the silver paste of a kind of annular voltage-sensitive resistor welding according to claim 1, it is characterised in that described organic molten
Agent is a kind of or several in ethylene glycol, petroleum ether, ethyl propionate, oleic acid, neck dibatyl phithalate, terpinol and propyl alcohol
Kind.
4. a kind of silver paste of annular voltage-sensitive resistor welding according to claim 1, it is characterised in that the diluent
One kind in butyl carbitol, cyclohexanone, MEK, cyclohexanone, benzene,toluene,xylene, n-butanol and styrene or
It is several.
5. a kind of silver paste of annular voltage-sensitive resistor welding according to claim 1, it is characterised in that the metal oxygen
Compound powder is Zinc oxide powder, nickel oxide powder, titanium dioxide powder, cupric oxide powder, alumina powder and ferrous oxide powder
End.
6. a kind of preparation method of the silver paste of annular voltage-sensitive resistor welding, it is characterised in that mainly include the following steps that：
Step 1：Organic carrier is prepared, according to 5 ~ 10 parts of weight organic resin, 2 ~ 8 parts of abienol, surfactant 2.5
~ 6.5 parts, organic resin, abienol, surfactant are mixed and heated in water-bath so that raw material, which is completely dissolved, to be produced
Organic carrier；
Step 2：Silver paste is prepared, according to composition proportion, by organic solvent, silver powder, metal oxide powder, organic carrier and unleaded
Glass dust is added in de-airing mixer stirs 30 ~ 90min with 200 ~ 300r/min rotating speed, and diluent is added afterwards and is tuned into paste
Shape, fineness is ground to grinder for 20 ~ 40 μm, the silver paste of annular voltage-sensitive resistor welding is produced.
7. a kind of preparation method of the silver paste of annular voltage-sensitive resistor welding according to claim 6, it is characterised in that
Surfactant in the step 1 is lecithin, glycerin monostearate, sucrose ester, lauryl glucoside and poly- sorb
One or more in ester.
8. a kind of preparation method of the silver paste of annular voltage-sensitive resistor welding according to claim 6, it is characterised in that
The vacuum of de-airing mixer in the step 2 is 0.02 ~ 0.08MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710436853.3A CN107221372A (en) | 2017-06-12 | 2017-06-12 | A kind of silver paste of annular voltage-sensitive resistor welding and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710436853.3A CN107221372A (en) | 2017-06-12 | 2017-06-12 | A kind of silver paste of annular voltage-sensitive resistor welding and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107221372A true CN107221372A (en) | 2017-09-29 |
Family
ID=59947408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710436853.3A Withdrawn CN107221372A (en) | 2017-06-12 | 2017-06-12 | A kind of silver paste of annular voltage-sensitive resistor welding and preparation method thereof |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109686470A (en) * | 2018-12-21 | 2019-04-26 | 广东羚光新材料股份有限公司 | A kind of annular voltage-sensitive resistor electronic silver paste and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102262919A (en) * | 2011-07-19 | 2011-11-30 | 彩虹集团公司 | Environment-friendly electrode silver paste for piezoresistor and preparation method for paste |
| CN102324265A (en) * | 2011-07-20 | 2012-01-18 | 彩虹集团公司 | Single-layer silver paste for annular varistor and method for preparing single-layer silver paste |
| CN102855960A (en) * | 2012-09-13 | 2013-01-02 | 上海交通大学 | Ohmic silver paste for SrTiO3 piezoresistor and preparation method of ohmic silver paste |
| CN104934103A (en) * | 2015-06-07 | 2015-09-23 | 贵研铂业股份有限公司 | Environment-friendly electrode silver slurry of zinc oxide varistor suitable for two soldering technologies and preparation method of electrode silver slurry |
-
2017
- 2017-06-12 CN CN201710436853.3A patent/CN107221372A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102262919A (en) * | 2011-07-19 | 2011-11-30 | 彩虹集团公司 | Environment-friendly electrode silver paste for piezoresistor and preparation method for paste |
| CN102324265A (en) * | 2011-07-20 | 2012-01-18 | 彩虹集团公司 | Single-layer silver paste for annular varistor and method for preparing single-layer silver paste |
| CN102855960A (en) * | 2012-09-13 | 2013-01-02 | 上海交通大学 | Ohmic silver paste for SrTiO3 piezoresistor and preparation method of ohmic silver paste |
| CN104934103A (en) * | 2015-06-07 | 2015-09-23 | 贵研铂业股份有限公司 | Environment-friendly electrode silver slurry of zinc oxide varistor suitable for two soldering technologies and preparation method of electrode silver slurry |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109686470A (en) * | 2018-12-21 | 2019-04-26 | 广东羚光新材料股份有限公司 | A kind of annular voltage-sensitive resistor electronic silver paste and preparation method thereof |
| CN109686470B (en) * | 2018-12-21 | 2020-07-28 | 广东羚光新材料股份有限公司 | Electronic silver paste for annular piezoresistor and preparation method thereof |
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Application publication date: 20170929 |
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| WW01 | Invention patent application withdrawn after publication |