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Some issues SMT needs to pay attention to

369 Published by FASTPCBA 8月 23,2018

Some issues SMT needs to pay attention to:

The development of SMT has brought an innovation to the whole electronics industry, especially in the current environment where people pursue miniaturization of electronic products.The perforated plugins used in the past were unable to shrink, resulting in a larger electronics.The current stage of SMT brings us a new innovation. Let’s talk about the problems that need to be paid attention to in patch processing.

Some issues SMT needs to pay attention to share:

1. Joint standard for development of electrostatic discharge control program.Includes the design, establishment, implementation and maintenance of the electrostatic discharge control program.According to the historical experience of some military and commercial organizations, it provides guidance for the treatment and protection of electrostatic discharge sensitive period.

2. Wash manual with half water after welding.Includes all aspects of semi-water cleaning, including chemical, production residues, equipment, process, process control, and environmental and safety considerations.

3. Reference manual for the assessment of through-hole welding points.Detailed descriptions of components, hole wall and welding surface coverage as required by the standards, in addition to computer-generated 3D graphics.It covers solder filling, contact Angle, soldering, vertical filling, solder pad cover and numerous solder joint defects.

4. Template design guide.Provides guidelines for the design and manufacture of solder paste and surface-mount binder coated templates I also discusses the design of templates for applying surface-mount technology, and introduces components with through-holes or flip chip.The technology includes overprinter, double printing and stage template design.

5. Washing manual after welding.Describe the cost of manufacturing residues, type and nature of water cleaners, water cleaning processes, equipment and processes, quality control, environmental control and measurement of employee safety and cleanliness.

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