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How do we clean lead-free solder paste after soldering?
Dec 05, 2022
12-05
2022
How do we clean lead-free solder paste after soldering? Nowadays, this product is more and more widely used in the society, and when using this product, slag will appear when welding, or some problems are difficult to clean. In this case, how should we choose to avoid or clean it? There are more and more manufacturers of this product in the society, and most people don’t know how to choose. Let’s listen to some suggestions here:
What is the difference between tin wire and silver wire?
Dec 02, 2022
12-02
2022
The alloy composition of the tin wire is divided into tin-lead, tin-copper, etc., which are made by adding flux and evenly pouring into the middle part of the tin alloy.
Silver wire is a chemical substance with a molecular formula of Ag. It is a white shiny metal with a face-centered cubic structure. It is an excellent conductor of heat and electricity;
Precautions for tin wire welding
Dec 02, 2022
12-02
2022
Solder wire is usually used together with an electric soldering iron. When using it, pay attention to the following issues:
1. When setting the temperature of the soldering iron tip, the heat resistance and safety of electronic components should be considered. If necessary, a constant temperature electric soldering iron should be used to make the welding temperature continuous and durable. In this way, the welding effect of lead-free solder wire is better .
Solder flux requirements for lead-free solder
Dec 01, 2022
12-01
2022
1. Due to the chemical reaction between the solder flux and the alloy surface, different fluxes should be selected for different alloy components; due to the poor wettability of lead-free alloys, high flux activity is required; the activation temperature of flux should be increased to adapt to lead-free high temperature Soldering temperature ;) Less post-soldering residue, and non-corrosive, meeting ICT probe capability and electromigration.
Retention and Application of Solder Paste
Dec 01, 2022
12-01
2022
1. Reservation method
The storage of solder paste should be controlled in an environment of 0-10°C; the use period of solder paste is 6 months (unopened); it should not be placed in the sun.
Does the solder flux need to be cleaned during the soldering process?
Nov 30, 2022
11-30
2022
Nowadays, many people report that a lot of welding slag appears in the welding process, but it is not easy to clean. I don’t know if it is a problem with the product itself. Generally, the solder flux (paste) cannot be completely volatilized during the welding process, and there will be residues left on the board. superior. As for whether the residue needs to be removed in the cleaning area, it needs to be comprehensively considered according to the quality of the selected solder flux, product requirements, and production costs. Therefore, you still need to pay attention to these. The following solder paste manufacturers make up Let's talk about:
Excellent properties of lead-free solder paste
Nov 30, 2022
11-30
2022
Lead-free solder paste is a kind of no-clean solder paste which is environmentally friendly and specially designed for SMT production process. Lead-free solder paste is made of special flux paste and lead-free tin powder with extremely low oxygen content, which has excellent continuous printing performance. The lead-free solder paste contains a high-reliability activator system, which makes it have very little residue after reflow soldering, has a relatively high insulation resistance, and can be dispensed with high reliability.
The brightness of the solder joints welded by solder wire is not enough, what is the reason?
Nov 29, 2022
11-29
2022
During welding, the brightness of the solder joints welded by the solder wire will be insufficient. According to theoretical common sense, the brightness of the solder joints is not good. It should be that the tin content of the solder wire is insufficient. So is the tin content of the solder wire insufficient? , In fact, the deviation of the brightness of solder joints is a relatively complicated problem, which needs to be analyzed carefully.
How should tin wire be soldered
Nov 29, 2022
11-29
2022
1. Solder wire and solder flux
When soldering, solder wire and solder flux are also needed.
(1) Solder wire: For soldering electronic components, solder wire with rosin core is generally used. This solder wire has a low melting point and contains rosin flux, which is extremely convenient to use.
Analyze the advantages and specific uses of gold-tin alloy solder
Nov 28, 2022
11-28
2022
Gold-tin alloy is a kind of electronic welding, which has a good market and prospect. Gold-tin alloy uses gold-tin alloy solder in electronic applications. Gold-tin alloy is made by brazing technology, which is an important technology for assembling electronic products. In order to get the ideal brazing connection, the choice of brazing material is very important. The solderability, melting point, strength, Young's modulus, thermal expansion coefficient, thermal fatigue, creep and creep resistance of brazing materials can all affect the quality of brazing connections.
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