CN204397183U - A kind of solder stick of environment protection soldering fluid - Google Patents
A kind of solder stick of environment protection soldering fluid Download PDFInfo
- Publication number
- CN204397183U CN204397183U CN201520050652.6U CN201520050652U CN204397183U CN 204397183 U CN204397183 U CN 204397183U CN 201520050652 U CN201520050652 U CN 201520050652U CN 204397183 U CN204397183 U CN 204397183U
- Authority
- CN
- China
- Prior art keywords
- solder
- alloy layer
- environment protection
- solder stick
- diaphragm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The utility model discloses a kind of solder stick of environment protection soldering fluid; comprise core wire (1), solder alloy layer (2), diaphragm (3); it is characterized in that: described core wire (1) outside is enclosed with solder alloy layer (2), described solder alloy layer (2) outside is enclosed with diaphragm (3).The utility model has low cost of manufacture, is convenient to processing and manufacturing, easy to use, long service life, solder stick are not leaded, the advantage such as environmental protection more.
Description
Technical field
The utility model relates to a kind of solder stick, particularly relates to a kind of solder stick of environment protection soldering fluid.
Background technology
Solder stick is the one of solder, is mainly used in the weldering of manual flatiron and semiautomatic machine welding procedure.Solder alloy can be made up of different alloying components, has unleaded and has dividing of lead; Different specifications is had, as 1.0mm, 0.5mm, 0.2mm, 0.15mm etc. according to the wire diameter after weldering processing.Solder stick is formed through treatment and processing by solder alloy.The manufacturing process of tradition solder stick is mainly: melting, casting, extruding, wire drawing, coiling, packaging and other steps.
Flourish along with electronics industry, the lightweight of electronic product, miniaturization, microminiaturized lifting, more strict to the quality requirement of electronic product, the particularly appearance of environment-friendly products, require replaced by lead-free solder gradually from the tin-lead solder of existing use, current lead-free solder development speed is very fast, and particularly unleaded ultra-fine welding wire is domestic at present there is no production, rely on import, and imported product is because of complex manufacturing, and expensive, the cycle is long, increases enterprise's production product cost.
At present, domestic solder stick Technical comparing falls behind, in the welding application of scolding tin, scaling powder mainly solves welding activity problems, impact welding activity has two large factors: first activating agent is to the quick removing of the oxide of face of weld and spot, and it two is surfactant effectively reductions to the surface tension of solder on base material.Because halogen-containing organic matter efficiently can remove oxide, also good surfactant can be served as, tradition formulations of solder flux with halogen-containing organic amine salt for main component forms, serious, the residual rosin of environmental pollution is dirty, corrosivity strong, it is large to splash, smog is large, residual dirty be universal phenomenon.
And cause the immediate cause of this phenomenon to be exactly that colophony type scaling powder is (as the rosin core of solder stick; run-of-the-mill percentage is about 3%) fill a prescription improper; above-mentioned phenomenon also can bring the potential hazard that corrosivity is strong; affect quality and the reliability of printed circuit board (PCB); and be not enclosed with diaphragm outside existing solder stick; long-term placement, easily oxidation reduces the life-span.
Utility model content
Technical problem to be solved in the utility model is to provide one and has low cost of manufacture, be convenient to processing and manufacturing, easy to use, long service life, solder stick are not leaded, the solder stick of the environment protection soldering fluid of the advantage such as environmental protection more.
For solving the problems of the technologies described above, the utility model provides a kind of solder stick of environment protection soldering fluid, comprises core wire, solder alloy layer, diaphragm, it is characterized in that: be enclosed with solder alloy layer outside described core wire, is enclosed with diaphragm outside described solder alloy layer.
Further, described core wire is triangular form structure.
Further, the diameter of described solder alloy layer is in the scope of 0.3mm to 1.5mm.
Further, described diaphragm is made of metal.
Compared with prior art, the beneficial effects of the utility model are:
The utility model has low cost of manufacture, is convenient to processing and manufacturing, easy to use, long service life, solder stick are not leaded, the advantage such as environmental protection more.
Accompanying drawing explanation
Fig. 1 is schematic cross-section of the present utility model.
Number in the figure:
1-core wire, 2-solder alloy layer, 3-diaphragm.
Detailed description of the invention
Below to being elaborated preferred embodiment of the present utility model by reference to the accompanying drawings, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection domain of the present utility model.
Shown in Figure 1; a kind of solder stick of environment protection soldering fluid; comprise core wire 1, solder alloy layer 2, diaphragm 3; solder alloy layer 2 is enclosed with outside described core wire 1; diaphragm 3 is enclosed with outside described solder alloy layer 2; described core wire 1 is in triangular form structure, and the diameter of described solder alloy layer 2 is in the scope of 0.3mm to 1.5mm, and described diaphragm 3 is made of metal.
In sum, the utility model has low cost of manufacture, is convenient to processing and manufacturing, easy to use, long service life, solder stick are not leaded, the advantage such as environmental protection more.
The foregoing is only better embodiment of the present utility model; protection domain of the present utility model is not limited with above-mentioned embodiment; in every case those of ordinary skill in the art modify or change according to the equivalence that the utility model institute disclosure is done, and all should include in the protection domain recorded in claims.
Claims (4)
1. the solder stick of an environment protection soldering fluid; comprise core wire (1), solder alloy layer (2), diaphragm (3); it is characterized in that: described core wire (1) outside is enclosed with solder alloy layer (2), described solder alloy layer (2) outside is enclosed with diaphragm (3).
2. the solder stick of environment protection soldering fluid according to claim 1, is characterized in that: described core wire (1) is in triangular form structure.
3. the solder stick of environment protection soldering fluid according to claim 1, is characterized in that: the diameter of described solder alloy layer (2) is in the scope of 0.3mm to 1.5mm.
4. the solder stick of environment protection soldering fluid according to claim 1, is characterized in that: described diaphragm (3) is made of metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520050652.6U CN204397183U (en) | 2015-01-23 | 2015-01-23 | A kind of solder stick of environment protection soldering fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520050652.6U CN204397183U (en) | 2015-01-23 | 2015-01-23 | A kind of solder stick of environment protection soldering fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204397183U true CN204397183U (en) | 2015-06-17 |
Family
ID=53421081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520050652.6U Expired - Fee Related CN204397183U (en) | 2015-01-23 | 2015-01-23 | A kind of solder stick of environment protection soldering fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204397183U (en) |
-
2015
- 2015-01-23 CN CN201520050652.6U patent/CN204397183U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20190123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |