Compared with SnPb, commonly used lead-free solder alloys have higher melting points and greatly reduced wettability, requiring higher soldering temperatures to ensure soldering quality Ĥ. Insufficient coating thickness or poor processing, it is easy to be damaged during the assembly process ģ. The plating layer on the surface of the pad or pin is oxidized, and the existence of the oxide layer prevents the contact between the solder and the plating layer Ģ. Generally, poor wetting means that the solder joint solder alloy is not spread out well, so that a good solder joint cannot be obtained and directly affects the reliability of the solder joint.ġ. 一、Non-wetting/poor wetting of reflow solder joints The most problematic process stage in the SMT process is reflow soldering. SMT reflow soldering refers to the use of solder paste to connect multiple SMT electronic components to the PCB board, and then the solder paste is melted by controlling the heating to achieve permanent bonding. We believe in Quality, Reliability, and comfort to acquire excellence in provider and client satisfaction.Common defects and solutions after SMT reflow soldering Everything which you might want to be associated with the commercial techniques is to be had here. Sumitron needs to be your final destination. The reviews approximately now no longer simply the goods however additionally our offerings give an explanation for why we’re the first-rate. Thus, you can stay confident in the great of the goods you’re buying. Besides those, even trendy gadgets like Smoke Absorber and some styles of remodeling stations also are to be had. Since there are a couple of alternatives to select from, you’ll actually discover your desired equipment on our website. We have excessive great merchandise to healthy our client’s expectations. We at Sumitron provide excessive precision to take a look at and dimension gadgets. Built with mythical Datapaq sturdiness and accuracy, those loggers deliver years of reliable profiling. Whether you want an extremely low peak or an relatively slender footprint. These loggers go in which no logger has long past before. The Q18 Data Loggers are the maximum superior and flexible own circle of relatives of loggers. The Reflow Tracker machine assures the maximum regular evaluation to enhance your technique. Reflow Profiler – Reflow Tracker System at Sumitron It can take readings from as much as 12 thermocouples at a quicker speed, finer decision and greater accuracy than has formerly been executed with inside the temperature profiling. The Datapaq Q18 is the maximum reliable, rugged, temperature data logger available and utilizes the latest and makes use of the trendy in the digital era to make certain the choicest size/overall performance stability is achieved. The Datapaq Q18 records logger plays so well that it offers as much as 300,000 readings and unsurpassed accuracy.Ĭombine blogger from Q18 own circle of relatives, perception software, one in all our low-peak stainless steel boundaries and you’ll get the first-rate by skip thru profiler. The Datapaq Reflow Tracker maintains to set the enterprise well known for quick use and reliability in thermal profiling. The Q18 own circle of relatives of loggers capabilities the enterprise’s broadest range of sizes and configurations for short and clean tracking of even the maximum stressful techniques.
So it’s no marvel that the maximum latest Datapaq improvements meet and exceed the best requirements for ease-of-use, ruggedness, and accuracy. Reflow Tracker combines rugged creation with small size, ease of use, and complete capability to offer the first-rate answer for thermal technique profiling.įor over twenty years, the Datapaq name has stood for wonderful cost in thermal technique tracking. The profiling machine travels through the technique permitting customers to screen wave and reflow soldering techniques in addition to the vapour phase, selective soldering, and remodel stations. It is ideal for reflow, wave solder, vapor phase, cure, remodel stations, solder masks ovens, and excessive temperature furnaces. The Reflow Profiler-Reflow Tracker Systems maintains to set the enterprise well known for ease-of-use and reliability in thermal profiling. Reflow Profiler- Reflow Tracker Temperature Profiling System
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