Low-temperature solder paste is a type specifically used in surface mount technology.SMTThe materials. It is a viscous substance made of tiny tin particles, rosin, thixotropic agents and other materials. This solder paste has a lower melting point compared to the traditional high-temperature solder paste. When the surface mount component cannot withstand a melting point exceeding180℃When the temperature is high and a surface mount reflow process is required, we will use lead-free low-temperature solder paste for soldering. So, what is the melting point of lead-free low-temperature solder paste? The solder paste manufacturer will explain it to everyone:......
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SMTSometimes, during the production and processing in a surface mount technology (SMT) processing factory, the phenomenon of solder cracking occurs. That is, the solder paste on the solder joints bursts during processing, resulting in incomplete solder joints, pores, and solder beads, etc. Below, Shenzhen JJY Solder Paste Manufacturer will briefly introduce to you the common reasons for the occurrence of solder cracking: The reasons for the occurrence of solder cracking are usually due toPCBCaused by moisture and in a high-temperature state during the welding processPCBTin explosion often occurs after coming into contact with solder. To solve......
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inSMTIn the production and processing of surface mount technology (SMT), there are some orders that have requirements for the glossiness of the solder jointsSMTThere are also many factors that affect the gloss of solder joints during the surface mount technology (SMT) processing. Below, JJY Solder Paste Manufacturer will briefly introduce to you the common reasons for insufficient gloss of solder joints:1There is oxidation in the tin powder in the solder paste.2The additives in the flux have a matting effect.3InSMTDuring the surface mount technology (SMT) processing, the preheating temperature of reflow soldering is relatively low, which leads to insufficient residual evaporation......
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When we use solder paste to solder double-sided patches, the problem of component dropping occurs. What causes this? And how should it be solved? The following is JJYSMTThe surface mount solder paste manufacturer will explain: This phenomenon is due to the insufficient vertical fixing force of the solder on the component after the solder paste melts. The main reasons are:1The solderability of the pins of the components is poor2The wettability and solderability of solder paste are poor3The furnace temperature during welding was not well controlled.4Regarding these four issues, the electronic components are too heavy.......
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The solder paste formulas used by different manufacturers in the soldering industry vary. Obviously, due to the differences in production processes, different types of solder paste will also be adopted. Solder paste can be classified into three types: low-temperature solder paste, medium-temperature solder paste and high-temperature solder paste. The new water-soluble water-washable lead-free high-temperature solder paste from JJY Solder Paste Factory is adoptedS96.5Ag3.0Cu0.5It is made of spherical solder powder of lead-free tin alloy with low oxidation degree and has excellent environmental protection characteristics. It is refined with imported chemical materials at the same time......
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SHENZHEN JIAJINYUAN INDUSTRIAL TECHNOLOGY CO., LTD.
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