What are the complete categories and classification methods of solder wire? Solder is composed of tin (melting point)232Degree) and lead (melting point327An alloy composed of degrees. By Xi63％And lead37％The composed solder is called eutectic solder, and the melting point of this solder is183Degree. The type of solder wire varies, and so does the flux. The flux part is to enhance the auxiliary heat conduction of the solder wire during the soldering process, remove oxidation, reduce the surface tension of the material to be soldered, remove oil stains on the surface of the material to be soldered, and increase the soldering area.......
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Under what conditions does high-temperature solder paste work best? When it comes to high-temperature solder paste, like many people, I would also think of low-temperature solder paste. The main difference lies in that some chips cannot be heated at a high temperature when passing through the furnace. The melting points of high-temperature lead-free solder paste and low-temperature solder paste are different. Solder paste can also be divided into two major categories: lead-free solder paste and leaded solder paste. The following is a summary made by JJY Solder Paste Manufacturer, a soldering factory, mainly regarding the environment in which high-temperature solder paste performs best: Generally, lead-containing solder paste is used63......
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How to stir lead-free solder paste correctly? In this era of information development, everyone has several electronic products. To produce these electronic products, solder paste is indispensable. As we all know, lead-free solder paste is a substance with very active chemical properties, so it has very strict requirements for the environment. So, how do people generally use lead-free solder paste? Since this part needs to be warmed up and thoroughly stirred before use, the solder paste manufacturer will introduce it to you below......
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Suggestions from lead-free solder paste manufacturers?I remember when I worked in an electronics factory before, I often came into contact with solder paste to solder products. With the rapid development of electronic component packaging technology, more and morePBGA,CBGA,CCGA,QFN,0201,01005Resistors and capacitors have been widely applied. So, what are the usage methods and precautions for contact solder paste? Now, let JJY Factory introduce it to you:1The manufacturer of heavy metal-free solder paste suggests that......
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Why was low-temperature lead-free solder paste developed? Generally speaking, lead-free low-temperature solder paste is suitable forSMTLead-free electronic products with a relatively low base material heat resistance temperature and low requirements for fatigue resistance strengthSMT"制程" 可 以 翻 译 为 "manufacturing process",Low-temperature lead-free solder paste, its composition is tin and bismuth. The melting point of solder in low-temperature lead-free solder paste is138℃The peak value of reflow soldering is170-200℃Between. Low-temperature lead-free solder paste has excellent printability, can effectively remove lumps and depressions during the printing process, has excellent wettability, and the solder joints are bright and round......
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