Because the nozzle will scratch the current diffusion layer on the chip surface. 5361AS LED sintering, the purpose of sintering is to solidify the silver glue, sintering requires monitoring the temperature, to prevent batch bad. Silver glue sintered at 150 ℃, the temperature of 5361AS general control sintering for 2 hours. According to the actual situation can be adjusted to 170 ℃, 1 hour. Insulated generally 150 ℃, 1 hour. Silver glue sintering oven must be opened and replaced every 2 hours (or 1 hour) according to the process requirements, and should not be opened at will. Sintering oven shall not be used for other purposes to prevent pollution. 5361AS LED pressure welding. The purpose of pressure welding is to lead the electrode to the LED chip and complete the connection of internal and external leads of the product. The pressure welding process of 5361AS LED has golden wire ball welding and aluminum wire pressure welding two kinds.

The solder joint is smooth, the helpless flux remains, and the LED package is intact), but also the chip will not be burned out by static electricity. At the same time, the LED position and direction are more beautiful. This can be seen directly from the appearance. FPC material: FPC can be divided into two kinds: calendered copper and copper coating.

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