Nowadays, solder paste is mainly used forLEDWelding and packaging in the electronics industry.LEDA chip isLEDThe key to the electronics industry. What are the requirements for solder paste? Is there any difference in operation? Below, the solder paste manufacturer will explain it to everyone:LedChips are generally used in fine-pitch or high-power types, so the solder paste powder that is frequently used should have smaller particles, lower viscosity, higher activity, and better thixotropy, which can better provide the required thermal conductivity for smaller devices at the same time......
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As a solder paste buyer, the most concerning issue is the price of the solder paste, and the most worrying issue is that the supplier says the price of the solder paste has gone up. As a solder paste supplier, although we hope that the solder paste can be sold at a higher price, we are also worried that the number of customers will decrease after the price increase of the solder paste. So, can the price of solder paste go up at will? Now, on this topic, on the one hand, we must have a detailed understanding of the formation of solder paste prices. Generally speaking, the price of solder paste is determined by raw materials such as solder powder, production and processing costs, and production capacity......
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Occasionally, during the printing process of lead-free solder paste, issues related to solder holes may occurPCBBoard problem. What is the reason for this situation? Today, the solder paste manufacturer will lead everyone to discuss the related issues of solder holes in lead-free solder paste after passing through the furnace. Most of them have the following aspects:1The soldering temperature is very low.2The solder is too dirty, there are many other impurities, the surface layer of the substrate material is contaminated with dust, the printing surface of the screen comes into contact with dust, blocking the screen holes and causing screen hole blockage.......
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Can solder paste be thawed repeatedly? This is theoretically possible, but it cannot be achieved in the overall operation process. Why? Today, the solder paste manufacturer will explain. After the solder paste is taken out of the freezer of the refrigerator, it can be repeatedly defrosted under the condition that there is no oxidation in the hypothesis test. But in the overall operation process, have you ever thought that the condition of no oxidation is simply very difficult to achieve? Because you have opened the lid and used it, the solder paste will undergo an oxidation reaction with the oxygen in the air. This......
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There are two types of lead-free medium-temperature solder paste: silver solder paste and copper solder paste. And what are the differences between these two kinds of solder pastes? How to choose when in use? Today, the solder paste manufacturer will explain to you: The differences between silver-containing solder paste and copper-containing solder paste mainly come from the following aspects:1The alloy compositions of the two are different. The composition of lead-free solder paste containing silver is tin, bismuth and silver, while the alloy composition of lead-free solder paste containing copper is tin, bismuth and copper.2The melting points of the two are different: as they combine......
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SHENZHEN JIAJINYUAN INDUSTRIAL TECHNOLOGY CO., LTD.
Tel：+86 0755 88366766
Phone：+86 18938660310
Email：sales@jjyhanxi.com
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