inSMTIn surface mount technology (SMT) processing, the quality requirements for solder joints are extremely strict.PCBADuring the welding process, various factors such as operational errors, welding techniques, and welding materials may sometimes lead to poor welding. Below, JJY Solder Paste Manufacturer will briefly introduce some common soldering defects and their causes to you:1Excessive residue on the board surface: Generally, it is due to the fact that the soldering before the surface mount processing was not preheated or the preheating temperature was too low, resulting in insufficient temperature of the tin furnace. The speed of moving off the board is too fast.......
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Lead-free solder paste is an environmentally friendly soldering material, which is composed of a mixture of metal alloys in different proportions. Among them, tin, silver, copper, bismuth, etc. are common components. So, what are the differences between lead-free solder paste containing silver and copper? What are the similarities? They are all lead-free solder paste products and have passed the European UnionROHSCertified, it has the advantages of lead-free solder paste. However, they also have the following differences. Now, let's have the editor of JJY Solder Paste Factory explain them to you......
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Generally, when we are printing solder paste, some printing defects are prone to occur, which leads to production stagnation and is very troublesome. Therefore, everyone must strictly abide by the steps of production and manufacturing processes. If problems are found, the causes must be identified immediately and corresponding solutions found. JJY solder Paste Manufacturer would like to share with you:1Precise formula design: The solder paste has been carefully formulated to ensure excellent wettability and controllability during the printing process, thereby reducing adhesion problems......
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With the continuous development of surface mount technology, more and more people have begun to get involved in this industry. When we purchase solder paste, the soldering manufacturer usually asks which grade of powder of solder paste we want. This is because the size of the solder paste particles has a significant impact on soldering, and different particle sizes result in different soldering effects. Today, JJY solder Paste Manufacturer will explain: The differences in soldering effects presented by solder paste particles of different sizes:1The solder paste has different antioxidant properties and larger particle sizes......
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Welding is undoubtedlySMTIt is a very important processing step in factory surface mount technology (SMT) processing and also a processing step where processing defects occur frequently. Processing plants that prioritize quality will pay attention to welding quality, strictly control processing quality, and avoid the occurrence of processing defects. SoSMTWhat are the manifestations of poor soldering in surface mount technology (SMT) processing? Next, JJY solder Paste Manufacturer will analyze and summarizeSMTCommon undesirable phenomena of patching, hoping to bring some help to everyone!1There are holes on the surface of the solder joint: This one......
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