CN110508973A - High-temperature service solder(ing) paste and preparation method thereof is realized in a kind of doping of nano particle - Google Patents
High-temperature service solder(ing) paste and preparation method thereof is realized in a kind of doping of nano particle Download PDFInfo
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- CN110508973A CN110508973A CN201910855450.1A CN201910855450A CN110508973A CN 110508973 A CN110508973 A CN 110508973A CN 201910855450 A CN201910855450 A CN 201910855450A CN 110508973 A CN110508973 A CN 110508973A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/362—Selection of compositions of fluxes
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- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
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Abstract
It is adulterated the invention belongs to a kind of nano particle and realizes high-temperature service solder(ing) paste, it is particularly applicable to the applications that service temperature after welding is higher than 270 DEG C or more, including tin alloy, nano metal, rare earth alloy and weld-aiding cream, the tin alloy powder is one or two kinds of mixture of sn-ag alloy powder, tin pewter powder and gun-metal powder；Nano metal powder is one or more kinds of mixtures of copper powder, nickel powder, titanium valve, cobalt powder and bronze；The effective component of the weld-aiding cream includes hydrogenated rosin, diethylene glycol monohexyl ether, succinic acid, methylbenzotriazole and citric acid；Its production method includes preparation tin alloy powder, nano metal powder, rare earth alloy powder, weld-aiding cream and the several steps of mixing; using the invention of the technical program; by adding a certain proportion of nano simple substance metallic particles or alloying pellet in tin cream; and add corresponding nanometer auxiliary additive; preparation cost is lower than nano-solder paste; and be easily achieved, application range is more extensive.
Description
Technical field
It is adulterated the invention belongs to a kind of nano particle and realizes high-temperature service solder(ing) paste and preparation method thereof, it is particularly applicable to weld
Connect the application that rear service temperature is higher than 270 DEG C or more.
Background technique
With the densification of the high speed, integrated circuit of communication equipment, the complexity of semiconductor devices is higher and higher,
To encapsulation technology, more stringent requirements are proposed, with the expansion of multi-level packaging, can be to printed circuit board (PCB) multiple welding
Raising speed of production after in first time A, face is welded, when welding followed by the face B, when secondary (multiple) welding, is printed electric
The temperature of road plate (PCB) is higher, usually at 240 DEG C or more, when the solder(ing) paste using military service fusing point low (being usually all at 216 DEG C)
When, since in secondary (or multiple) welding, the temperature of printed circuit board (PCB) is higher than the solder(ing) paste of low melting point, will cause
The face the A low-melting solder(ing) paste of military service through welding can melt again, cause the face A being welded welding not firm, seriously affect
The quality of welding, reduces properties of product；When using military service fusing point high solder(ing) paste, the fusing point of solder(ing) paste itself requires height,
Although solve secondary (or repeatedly) welding, the face the A solder(ing) paste being welded is not easy the technical issues of being melted, the
When the face an A weldering, high fusing point is needed, cost is also higher.In currently available technology, solder(ing) paste cannot fully meet requirement,
The excessively high either performance of cost is not achieved or use scope is narrow.
Summary of the invention
It is adulterated the technical problem to be solved in the present invention is to provide a kind of nano particle and realizes high-temperature service solder(ing) paste, solve mesh
The high technical problem of fusing point in the case that preceding solder(ing) paste is low in welding fusing point and adaptation service temperature is high.
In order to solve the above-mentioned technical problem, of the invention, a kind of nano particle doping realization high-temperature service solder(ing) paste, Yi Zhongna
High-temperature service solder(ing) paste is realized in rice grain doping, including tin alloy powder, nano metal powder, rare earth alloy powder and helps weldering
Cream, wherein the tin alloy powder is sn-ag alloy powder, one kind of tin pewter powder and gun-metal powder or two
The mixture of kind；Nano metal powder is one or more kinds of mixtures of copper powder, nickel powder, titanium valve, cobalt powder and bronze；Described
The effective component of weld-aiding cream includes hydrogenated rosin, diethylene glycol monohexyl ether, succinic acid, methylbenzotriazole and citric acid.
Further, limiting the tin alloy powder further includes having leypewter powder.
Further, it limits in the tin alloy powder, by mass percentage, tin 1%~98%: lead 0%~95%,
Silver 0.5%~5%: copper 0.01%~1%: antimony 5%~30%.
Further, it limits in the nano metal powder, by mass percentage, copper 2%~60%: nickel 0.5%~
15%: titanium 0.1%~5%: cobalt 0.1%~5%: gold 0.1%~10%.
Further, it limits in the rare earth alloy powder, according to mass percent, rare earth alloy powder 0.01%~
2%: Nano metal powder 98%~99.9%.
Further, limit in the weld-aiding cream, by mass percentage, hydrogenated rosin 3%~8%: diethylene glycol list oneself
Ether 1%~6%: succinic acid 0.1%~0.8%, methylbenzotriazole 0.03%~0.1% and citric acid 0.01%~
0.2%.
The invention solves another technical problem be to provide a kind of doping of nano particle and realize high-temperature service scolding tin
The preparation method of cream solves the solder(ing) paste system that fusing point is high in the case that above-mentioned this welding fusing point is low, and adaptation service temperature is high
Preparation Method.
In order to solve the above-mentioned technical problem, of the invention, the preparation of high-temperature service solder(ing) paste is realized in a kind of nano particle doping
Method includes the following steps,
Step 1, prepares tin alloy powder, and preparation tin alloy powder includes preparing sn-ag alloy powder, gun-metal powder
With tin pewter powder, specific step is as follows,
A. in the raw material for refining tin silver master alloy being added to by feed inlet according to the tin silver ratio of mass percent 3:7
In frequency furnace, the temperature of intermediate frequency furnace is set as 1100-1200 DEG C, arrives after temperature tilting furnace, obtained master alloy is poured into stainless steel
Container, cooling are spare；
B. the raw material for refining tin copper master alloy is added to by feed inlet according to the tin copper ratio of mass percent 1:10
In intermediate frequency furnace, the temperature of intermediate frequency furnace is set as 1100-1200 DEG C, obtained master alloy is poured into rustless steel container, cooling is spare；
C. the raw material for refining tin antimony master alloy is added to by feed inlet according to the tin antimony ratio of mass percent 1:10
In vacuum drying oven, the temperature of vacuum drying oven is set as 650-800 DEG C, obtained master alloy is poured into rustless steel container, cooling is spare；
D. by the one of which of the master alloy obtained from step a, b, c or two kinds pour into rustless steel container with quality percentage
Glass putty than 10% is sufficiently mixed at 200-300 DEG C of temperature, and stirring after sixty minutes, stands 180 minutes, it is spare that alloy is made；
E. when temperature is reduced to 150-180 DEG C, in alloy obtained above be added mass percent be 0.6%~
12% potassium metal powder stirs 60 minutes, and temperature is risen to 200-300 DEG C, is stood after twenty minutes, is scooped out cooling, be made into conjunction
Gold is spare；
F. it is spare to be prepared into tin alloy powder by sizing screening by powder atomization molding equipment for above-mentioned alloy；
Step 2 prepares nano metal powder,
G. by copper, nickel, titanium, cobalt, gold it is one of carry out melting or it is a variety of be smelted into alloy, formed by nanometer powder
Equipment is screened by centrifugal classification, and it is spare to be prepared into nano metal powder；
Step 3 prepares rare earth alloy powder,
H. it is spare to be prepared into rare earth alloy powder by sizing screening by powder compacting equipment for rare earth alloy；
Step 4 prepares weld-aiding cream,
I. 120 DEG C~140 DEG C stirring fusings in reaction kettle the preparation of weld-aiding cream: are added in 3%~8% hydrogenated rosin
Afterwards, 1%~6% diethylene glycol monohexyl ether uniform stirring is added, 0.1%~0.8% is added after being cooled to 80 DEG C~110 DEG C
Succinic acid and 0.03%~0.1% methylbenzotriazole uniform stirring, after being cooled to 40~50 DEG C be added 0.01%~
0.2% citric acid uniform stirring and after being cooled to room temperature, it is spare to be prepared into weld-aiding cream；
Step 5 is stirred into solder(ing) paste,
J. the weld-aiding cream of above-mentioned preparation and tin alloy powder, nano metal (or alloy) powder, rare earth alloy powder is first
After be added in full-automatic planetary mixer, dispense, saved under the conditions of 2~10 DEG C after mixing evenly under vacuum conditions.
Further, the step of preparation method of high-temperature service solder(ing) paste is realized in the nano particle doping one, system are limited
It further include preparing leypewter powder, the specific steps are according to the tin-lead of mass percent 63:37 in standby tin alloy powder
The raw material for refining tin-lead master alloy is added in intermediate frequency furnace by ratio by feed inlet, and the temperature of intermediate frequency furnace is set as 1300-
It 1400 DEG C, arrives after temperature tilting furnace, obtained master alloy is poured into rustless steel container, cooling is spare.
Further, the tin alloy powder that the preparation method of high-temperature service solder(ing) paste is realized in the nano particle doping is limited
Size has seven kinds of specifications, wherein and 1#:75~150um, 2#:45~75um, 3#:25~45um, 4#:20~38um, 5#:10~
20um, 6#:5~15um, 7#:2~12um.
Further, it limits the nano particle doping to realize in the preparation method of high-temperature service solder(ing) paste: by quality
Percentage, the content of the nano metal powder are 3%~60%, 2~100nm of particle size range.
Using the invention of the technical program, a kind of nano particle doping realization high-temperature service solder(ing) paste, by tin cream
A certain proportion of nano simple substance metallic particles or alloying pellet are added, and adds corresponding nanometer auxiliary additive, is prepared into
This is lower than nano-solder paste, and is easily achieved, and application range is more extensive；Using the invention using the technical program, a kind of nanometer
The preparation method of high-temperature service solder(ing) paste is realized in grain doping, by adding a certain proportion of nano simple substance metallic particles in tin cream
Or alloying pellet, and corresponding nanometer auxiliary additive is added, reach service temperature answering higher than 300 DEG C or more after welding
With preparation cost is lower than nano-solder paste, and service temperature is higher than conventional high temperature tin cream, and is easily achieved, and application range is more extensive.
Specific embodiment
Embodiment 1
30 grams of tin metal materials and 70 grams of silver metal materials are taken, are added in intermediate frequency furnace by feed inlet, the temperature of intermediate frequency furnace
Degree is set as 1100-1200 DEG C, arrives after temperature tilting furnace, obtained master alloy is poured into rustless steel container, cooling is spare；
Master alloy obtained in above-mentioned steps is poured into rustless steel container with 1000 grams of glass puttys at 200-300 DEG C of temperature
It is sufficiently mixed, stirring after sixty minutes, stands 180 minutes, it is spare that alloy is made；
When temperature is reduced to 150-180 DEG C, the potassium metal that mass percent is 8 grams is added in alloy obtained above
Powder stirs 60 minutes, and temperature is risen to 200-300 DEG C, is stood after twenty minutes, is scooped out cooling, it is spare to be made into alloy；
By above-mentioned alloy by powder atomization molding equipment, it is spare that tin alloy powder is prepared by sizing screening；
It takes again, 25 grams of copper and 0.8 gram of nickel carry out being smelted into alloy, by nanometer powder molding equipment, by centrifugal classification
Screening, it is spare to be prepared into nano metal powder；
It is standby to be prepared into rare earth alloy powder by sizing screening by powder compacting equipment for 0.15 gram of rare earth alloy again
With.
Weld-aiding cream is started from, 40 grams of hydrogenated rosins are added in reaction kettle after 120 DEG C~140 DEG C stirring fusings, are added 16
Gram diethylene glycol monohexyl ether uniform stirring, after being cooled to 80 DEG C~110 DEG C, 1.5 grams of succinic acid and 5 grams of methylbenzene is added
Parallel triazole uniform stirring, after 1.5 grams of citric acid uniform stirring is added after being cooled to 40~50 DEG C and is cooled to room temperature, system
It is standby spare at weld-aiding cream；
Finally by 1030 grams of above-mentioned tin metal materials, 70 grams of silver metal materials, 8 grams of potassium metal powders, 25 grams of copper powders,
0.15 gram of rare earth alloy and by 40 grams of hydrogenated rosins, 16 grams of diethylene glycol monohexyl ether, 1.5 grams of succinic acid and 5 grams of methylbenzene
Weld-aiding cream made of parallel triazole, 1.5 grams of citric acid is successively added in full-automatic planetary mixer, stirs under vacuum conditions
Packing, saves under the conditions of 2~10 DEG C after uniformly.
Embodiment 2
Take 10 grams of tin metal materials and 100 gramsCopperMetal material is added in intermediate frequency furnace by feed inlet, the temperature of intermediate frequency furnace
Degree is set as 1100-1200 DEG C, arrives after temperature tilting furnace, obtained master alloy is poured into rustless steel container, cooling is spare；
Master alloy obtained in above-mentioned steps is poured into rustless steel container with 1000 grams of glass puttys at 200-300 DEG C of temperature
It is sufficiently mixed, stirring after sixty minutes, stands 180 minutes, it is spare that alloy is made；
When temperature is reduced to 150-180 DEG C, the potassium that mass percent is 9 grams is added in alloy obtained above, stirs
It mixes 60 minutes, temperature is risen to 200-300 DEG C, is stood after twenty minutes, is scooped out cooling, it is spare to be made into alloy；
By above-mentioned alloy by powder atomization molding equipment, it is spare that tin alloy powder is prepared by sizing screening；
Take again .25 grams of copper and 0.4 gram it is golden be smelted into alloy, by nanometer powder molding equipment, sieved by centrifugal classification
Choosing, it is spare to be prepared into nano metal powder；
It is standby to be prepared into rare earth alloy powder by sizing screening by powder compacting equipment for 0.2 gram of rare earth alloy again
With.
Weld-aiding cream is started from, 50 grams of hydrogenated rosins are added in reaction kettle after 120 DEG C~140 DEG C stirring fusings, are added 16
Gram diethylene glycol monohexyl ether uniform stirring, after being cooled to 80 DEG C~110 DEG C, methylbenzene a pair of horses going side by side of 2 grams of succinic acid and 9 grams is added
Triazole uniform stirring, after 1.8 grams of citric acid uniform stirring is added after being cooled to 40~50 DEG C and is cooled to room temperature, preparation
It is spare at weld-aiding cream；
Finally by 1010 grams of above-mentioned tin metal materials, 100 gramsCopperMetal material, 9 grams of potassium metal powders, 25 grams of copper and
0.4 gram of gold, 0.2 gram of rare earth alloy and by 50 grams of hydrogenated rosins, 16 grams of diethylene glycol monohexyl ether, 2 grams of succinic acid and 9 grams of first
Weld-aiding cream made of base benzotriazole, 1.8 grams of citric acid is successively added in full-automatic planetary mixer, under vacuum conditions
It dispenses, is saved under the conditions of 2~10 DEG C after mixing evenly.
Embodiment 3
Take 10 grams of tin metal materials and 100 gramsAntimonyMetal material is added in intermediate frequency furnace by feed inlet, the temperature of intermediate frequency furnace
Degree is set as 650-800 DEG C, arrives after temperature tilting furnace, obtained master alloy is poured into rustless steel container, cooling is spare；
63 grams of tin metal materials and 37 grams of lead metal materials are taken, are added in intermediate frequency furnace by feed inlet, the temperature of intermediate frequency furnace
Degree is set as 1300-1400 DEG C, arrives after temperature tilting furnace, obtained master alloy is poured into rustless steel container, cooling is spare；
Master alloy obtained in above-mentioned steps is poured into rustless steel container with 1000 grams of glass puttys at 200-300 DEG C of temperature
It is sufficiently mixed, stirring after sixty minutes, stands 180 minutes, it is spare that alloy is made；
When temperature is reduced to 150-180 DEG C, the potassium gold that mass percent is 12 grams is added in alloy obtained above
Belong to powder, stir 60 minutes, temperature is risen to 200-300 DEG C, is stood after twenty minutes, is scooped out cooling, it is spare to be made into alloy；
By above-mentioned alloy by powder atomization molding equipment, it is spare that tin alloy powder is prepared by sizing screening；
Take again .0.4 grams of titanium, 0.4 gram of cobalt and 0.4 gram it is golden be smelted into alloy, pass through nanometer powder molding equipment, pass through
Centrifugal classification screening, it is spare to be prepared into nano metal powder；
It is standby to be prepared into rare earth alloy powder by sizing screening by powder compacting equipment for 0.2 gram of rare earth alloy again
With.
Weld-aiding cream is started from, 80 grams of hydrogenated rosins are added in reaction kettle after 120 DEG C~140 DEG C stirring fusings, are added 20
Gram diethylene glycol monohexyl ether uniform stirring, after being cooled to 80 DEG C~110 DEG C, 2 grams of succinic acid and 10 grams of methylbenzene is added
Parallel triazole uniform stirring, after 3 grams of citric acid uniform stirring is added after being cooled to 40~50 DEG C and is cooled to room temperature, preparation
It is spare at weld-aiding cream；
Finally by 1073 grams of above-mentioned tin metal materials, 100 gramsAntimonyMetal material, 37 grams of lead metal materials, 12 grams of potassium gold
Belong to powder, 0.4 gram of titanium, 0.4 gram of cobalt and 0.4 gram of gold, 0.2 gram of rare earth alloy and by 80 grams of hydrogenated rosins, 20 grams of diethylene glycol
Weld-aiding cream made of monohexyl ether, 2 grams of succinic acid and 10 grams of methylbenzotriazole, 3 grams of citric acid is successively added automatically
It in planetary mixer, dispenses, is saved under the conditions of 2~10 DEG C after mixing evenly under vacuum conditions.
Embodiment 4
30 grams of tin metal materials and 70 grams of silver metal materials are taken, are added in intermediate frequency furnace by feed inlet, the temperature of intermediate frequency furnace
Degree is set as 1100-1200 DEG C, arrives after temperature tilting furnace, obtained master alloy is poured into rustless steel container, cooling is spare；
Take 10 grams of tin metal materials and 100 gramsAntimonyMetal material is added in intermediate frequency furnace by feed inlet, the temperature of intermediate frequency furnace
Degree is set as 1100-1200 DEG C, arrives after temperature tilting furnace, obtained master alloy is poured into rustless steel container, cooling is spare；
Master alloy obtained in above-mentioned steps is poured into rustless steel container with 1000 grams of glass puttys at 200-300 DEG C of temperature
It is sufficiently mixed, stirring after sixty minutes, stands 180 minutes, it is spare that alloy is made；
When temperature is reduced to 150-180 DEG C, the potassium gold that mass percent is 11 grams is added in alloy obtained above
Belong to powder, stir 60 minutes, temperature is risen to 200-300 DEG C, is stood after twenty minutes, is scooped out cooling, it is spare to be made into alloy；
By above-mentioned alloy by powder atomization molding equipment, it is spare that tin alloy powder is prepared by sizing screening；
It takes again, 40 grams of copper and 0.2 gramCobaltIt carries out being smelted into alloy, by nanometer powder molding equipment, by centrifugal classification
Screening, it is spare to be prepared into nano metal powder；
It is standby to be prepared into rare earth alloy powder by sizing screening by powder compacting equipment for 0.16 gram of rare earth alloy again
With.
Weld-aiding cream is started from, 80 grams of hydrogenated rosins are added in reaction kettle after 120 DEG C~140 DEG C stirring fusings, are added 20
Gram diethylene glycol monohexyl ether uniform stirring, after being cooled to 80 DEG C~110 DEG C, 1.5 grams of succinic acid and 5 grams of methylbenzene is added
Parallel triazole uniform stirring, after 2.5 grams of citric acid uniform stirring is added after being cooled to 40~50 DEG C and is cooled to room temperature, system
It is standby spare at weld-aiding cream；
1040 grams of above-mentioned tin metal materials, 70 grams of silver metal materials, 100 grams of antimony metal materials, 11 grams will finally be contained
Potassium metal powder, 40 grams of copper powders, 0.16 gram of rare earth alloy and by 80 grams of hydrogenated rosins, 20 grams of diethylene glycol monohexyl ether, 1.5
Full-automatic planet stirring is successively added in weld-aiding cream made of gram succinic acid and 5 grams of methylbenzotriazole, 2.5 grams of citric acid
It in machine, dispenses, is saved under the conditions of 2~10 DEG C after mixing evenly under vacuum conditions.
The explanation of specific embodiment is merely used to help understand method and its core concept of the invention.It should be pointed out that pair
For those skilled in the art, without departing from the principle of the present invention, material prescription can also be one
Allotment in fixed range, that is, the embodiment of the present invention can also be made improvements and modifications, these improvement and modification are also fallen
Enter in the protection scope of the claims in the present invention.
Claims (10)
1. high-temperature service solder(ing) paste is realized in a kind of nano particle doping, it is characterised in that: including tin alloy powder, Nano metal powder
End, rare earth alloy powder and weld-aiding cream, wherein the tin alloy powder is sn-ag alloy powder, tin pewter powder and tin
One or two kinds of mixture of copper alloy powder；Nano metal powder is the one of copper powder, nickel powder, titanium valve, cobalt powder and bronze
Kind or a variety of mixtures；The effective component of the weld-aiding cream includes hydrogenated rosin, diethylene glycol monohexyl ether, succinic acid, first
Base benzotriazole and citric acid.
2. high-temperature service solder(ing) paste is realized in nano particle doping according to claim 1, it is characterised in that: the tin closes
Bronze end further includes having leypewter powder.
3. high-temperature service solder(ing) paste is realized in nano particle doping according to claim 2, it is characterised in that: the tin closes
In bronze end, by mass percentage, tin 1%~98%: lead 0%~95%, silver 0.5%~5%: copper 0.01%~1%: antimony
5%~30%.
4. high-temperature service solder(ing) paste is realized in nano particle doping according to claim 1, it is characterised in that: the nanometer
In metal powder, by mass percentage, copper 2%~60%: nickel 0.5%~15%: titanium 0.1%~5%: cobalt 0.1%~5%:
Gold 0.1%~10%.
5. high-temperature service solder(ing) paste is realized in nano particle doping according to claim 1, it is characterised in that: the rare earth
In alloy powder, according to mass percent, rare earth alloy powder 0.01%~2%: Nano metal powder 98%~99.9%.
6. high-temperature service solder(ing) paste is realized in nano particle doping according to claim 1, it is characterised in that: described helps weldering
In cream, by mass percentage, hydrogenated rosin 3%~8%: diethylene glycol monohexyl ether 1%~6%: succinic acid 0.1%~0.8%,
Methylbenzotriazole 0.03%~0.1% and citric acid 0.01%~0.2%.
7. the preparation method that high-temperature service solder(ing) paste is realized in nano particle doping according to claim 1, it is characterised in that:
Include the following steps,
Step 1, prepares tin alloy powder, and preparation tin alloy powder includes preparing sn-ag alloy powder, gun-metal powder and tin
Antimony alloy powder, specific step is as follows,
A. the raw material for refining tin silver master alloy is added to intermediate frequency furnace by feed inlet according to the tin silver ratio of mass percent 3:7
In, the temperature of intermediate frequency furnace is set as 1100-1200 DEG C, and it arrives after temperature tilting furnace, obtained master alloy is poured into rustless steel container,
Cooling is spare；
B. the raw material for refining tin copper master alloy is added to intermediate frequency by feed inlet according to the tin copper ratio of mass percent 1:10
In furnace, the temperature of intermediate frequency furnace is set as 1100-1200 DEG C, obtained master alloy is poured into rustless steel container, cooling is spare；
C. the raw material for refining tin antimony master alloy is added to vacuum by feed inlet according to the tin antimony ratio of mass percent 1:10
In furnace, the temperature of vacuum drying oven is set as 650-800 DEG C, obtained master alloy is poured into rustless steel container, cooling is spare；
D. by the one of which of the master alloy obtained from step a, b, c or two kinds pour into rustless steel container with mass percent
10% glass putty is sufficiently mixed at 200-300 DEG C of temperature, and stirring after sixty minutes, stands 180 minutes, it is spare that alloy is made；
E. when temperature is reduced to 150-180 DEG C, it is 0.6%~12% that mass percent is added in alloy obtained above
Potassium metal powder stirs 60 minutes, and temperature is risen to 200-300 DEG C, is stood after twenty minutes, is scooped out cooling, it is spare to be made into alloy；
F. it is spare to be prepared into tin alloy powder by sizing screening by powder atomization molding equipment for above-mentioned alloy；
Step 2 prepares nano metal powder,
G. by copper, nickel, titanium, cobalt, gold it is one of carry out melting or it is a variety of be smelted into alloy, set by nanometer powder molding
It is standby, it is screened by centrifugal classification, it is spare to be prepared into nano metal powder；
Step 3 prepares rare earth alloy powder,
H. it is spare to be prepared into rare earth alloy powder by sizing screening by powder compacting equipment for rare earth alloy；
Step 4 prepares weld-aiding cream,
I. the preparation of weld-aiding cream: 3%~8% hydrogenated rosin is added in reaction kettle after 120 DEG C~140 DEG C stirring fusings, is added
0.1%~0.8% fourth two is added in the diethylene glycol monohexyl ether uniform stirring for entering 1%~6% after being cooled to 80 DEG C~110 DEG C
Acid and 0.03%~0.1% methylbenzotriazole uniform stirring, after being cooled to 40~50 DEG C be added 0.01%~0.2%
Citric acid uniform stirring and after being cooled to room temperature, it is spare to be prepared into weld-aiding cream；
Step 5 is stirred into solder(ing) paste,
J. the weld-aiding cream of above-mentioned preparation and tin alloy powder, nano metal (or alloy) powder, rare earth alloy powder are successively added
Enter in full-automatic planetary mixer, dispense after mixing evenly under vacuum conditions, is saved under the conditions of 2~10 DEG C.
8. the preparation method that high-temperature service solder(ing) paste is realized in nano particle doping according to claim 7, it is characterised in that:
In the step one, prepares in tin alloy powder, further include preparing leypewter powder, the specific steps are according to quality
The raw material for refining tin-lead master alloy is added in intermediate frequency furnace by the tin-lead ratio of percentage 63:37 by feed inlet, intermediate frequency furnace
Temperature is set as 1300-1400 DEG C, arrives after temperature tilting furnace, obtained master alloy is poured into rustless steel container, cooling is spare.
9. the preparation method that high-temperature service solder(ing) paste is realized in nano particle doping according to claim 7, it is characterised in that:
The tin alloy powder size has seven kinds of specifications, wherein 1#:75~150um, 2#:45~75um, 3#:25~45um, 4#:
20~38um, 5#:10~20um, 6#:5~15um, 7#:2~12um.
10. nano particle doping according to claim 7 realizes that the preparation method of high-temperature service solder(ing) paste, feature exist
In: by mass percentage, the content of the nano metal powder is 3%~60%, 2~100nm of particle size range.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110653516A (en) * | 2019-10-31 | 2020-01-07 | 深圳群崴半导体材料有限公司 | Special soldering paste for welding multistage packaging patch elements |
| CN112399724A (en) * | 2020-11-04 | 2021-02-23 | 广东佛智芯微电子技术研究有限公司 | Bonding wire-based fine line repairing method |
| CN115781098A (en) * | 2023-01-19 | 2023-03-14 | 广东成利泰科技有限公司 | High-temperature-resistant and antioxidant soldering tin powder and paste containing metal indium and preparation method of soldering tin powder and paste |
| CN115971725A (en) * | 2023-02-24 | 2023-04-18 | 深圳群崴半导体材料有限公司 | Flux paste and soldering paste capable of realizing low-temperature welding high-temperature service |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1389326A (en) * | 2002-07-24 | 2003-01-08 | 北京工业大学 | Nano particle reinforced Sn-Pb based composite brazing alloy and its prepn. |
| CN101362261A (en) * | 2007-08-10 | 2009-02-11 | 北京康普锡威焊料有限公司 | Low temperature leadless welding material for electronic component |
| CN103008919A (en) * | 2012-12-13 | 2013-04-03 | 郴州金箭焊料有限公司 | Low-silver halogen-free lead-free solder paste |
| CN103842126A (en) * | 2011-08-02 | 2014-06-04 | 阿尔法金属公司 | Solder compositions |
| KR20160027452A (en) * | 2014-08-29 | 2016-03-10 | 한국기계연구원 | Multi-functional nano/micro solders and their methods for preparing the same |
| KR20170011663A (en) * | 2015-07-23 | 2017-02-02 | 덕산하이메탈(주) | Solder powder with exothermic and amorphous characteristics manufacture method and solder paste manufacture method and solder paste using low temperature bonding method |
-
2019
- 2019-09-11 CN CN201910855450.1A patent/CN110508973B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1389326A (en) * | 2002-07-24 | 2003-01-08 | 北京工业大学 | Nano particle reinforced Sn-Pb based composite brazing alloy and its prepn. |
| CN101362261A (en) * | 2007-08-10 | 2009-02-11 | 北京康普锡威焊料有限公司 | Low temperature leadless welding material for electronic component |
| CN103842126A (en) * | 2011-08-02 | 2014-06-04 | 阿尔法金属公司 | Solder compositions |
| CN103008919A (en) * | 2012-12-13 | 2013-04-03 | 郴州金箭焊料有限公司 | Low-silver halogen-free lead-free solder paste |
| KR20160027452A (en) * | 2014-08-29 | 2016-03-10 | 한국기계연구원 | Multi-functional nano/micro solders and their methods for preparing the same |
| KR20170011663A (en) * | 2015-07-23 | 2017-02-02 | 덕산하이메탈(주) | Solder powder with exothermic and amorphous characteristics manufacture method and solder paste manufacture method and solder paste using low temperature bonding method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110653516A (en) * | 2019-10-31 | 2020-01-07 | 深圳群崴半导体材料有限公司 | Special soldering paste for welding multistage packaging patch elements |
| CN110653516B (en) * | 2019-10-31 | 2022-02-15 | 深圳群崴半导体材料有限公司 | Special soldering paste for welding multistage packaging patch elements |
| CN112399724A (en) * | 2020-11-04 | 2021-02-23 | 广东佛智芯微电子技术研究有限公司 | Bonding wire-based fine line repairing method |
| CN115781098A (en) * | 2023-01-19 | 2023-03-14 | 广东成利泰科技有限公司 | High-temperature-resistant and antioxidant soldering tin powder and paste containing metal indium and preparation method of soldering tin powder and paste |
| CN115971725A (en) * | 2023-02-24 | 2023-04-18 | 深圳群崴半导体材料有限公司 | Flux paste and soldering paste capable of realizing low-temperature welding high-temperature service |
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