With the enhancement of environmental awareness, many engineers andPCBBoard manufacturers all strongly recommend lead-free productsPCBHowever, due to unscrupulous merchants choosing inferior products to replace lead-free ones in order to earn more profitsPCBThe boards were sold to the market, causing many people to be confused and mistakenly purchase inferior productsPCBToday, our Jia Jinyuan solder paste Factory will guide you on how to choosePCBChoose a qualified lead-free board to avoid detoursPCBBoard. First of all, in terms of appearance, on the circuit board, the leaded surface appears......
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SMTIn surface mount technology (SMT) processing, a very important raw material is solder paste, and the quality of the solder paste will directly affect itSMTThe quality of the processed solder joints, in turn, affects the quality of the entire electronic processing product. Well,SMTWhat are the requirements of surface mount technology (SMT) users for solder paste? Now, JJY solder Paste Manufacturer will introduce it to youSMTThe common requirements of surface mount technology (SMT) users for solder paste:1Solder paste has a shelf life, and its viscosity will also change over time. During the warranty period, it is necessary to ensure that the viscosity changes......
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When the solder paste doesn't apply solder, everyone will look for the reason to see if the activity of the solder paste is too low. But is it true that the higher the activity, the better? The answer is no. Why? Now, JJY solder Paste Manufacturer will explain to you: As is known to all, there are many additives in solder paste, one of which is called active agent. The active agent is the key solvent that determines the activity of solder paste. The activity of solder paste is related to the amount of active agent added. Usually, the poor adsorption capacity of tin is due to its low activity. Perhaps someone would say......
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In the process of electronic processingSMTSurface mount technology (SMT) processing is a very important processing step, andSMTThe precision of surface mount technology (SMT) processing is also very high. Many poor phenomena in electronic processing are due toSMTIt was caused by some problems during the processing. Printing faults are common processing defects in the surface mount technology (SMT) processing. Therefore, most electronic processing factories will try to improve the quality of their SMT printing to solve and avoid printing faults. The following is Shenzhen JJY Solder Paste Factory......
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NowtmSolder paste is used in all industries. Different electronics require different types of solder paste. Currently, low-temperature solder paste is widely used. So, what is low-temperature solder paste? Melting point138℃The solder paste is called low-temperature solder paste when the surface mount components cannot withstand it138℃When the temperature is above and the surface mount reflow process is required, using low-temperature solder paste for the soldering process serves to protect the components that cannot withstand high-temperature reflow solderingPCBVery much.LEDThe industry welcomes its alloy composition......
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SHENZHEN JIAJINYUAN INDUSTRIAL TECHNOLOGY CO., LTD.
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