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SMD LED


Surface Mount LED (SMD LED) - emergence in early 1980, is in response to smaller packaging and factory automation and Health. Manufacturers in the early reluctance to move forward is a major factor in surface-mount LED of the first problems can not be completed under the high temperature infrared solder steps back. LED's heat than the IC low temperature not only result in decreased brightness, and more than 100 degress celsius will accelerate the deterioration of the components. LED packaging resin will be used to absorb water, the rapid evaporation of water molecules, will have cracks in the original packaging resin, the impact on product effectiveness. In early 1990, HP and Seimens Component Group to develop key elements long polymers, as a surface-mount LED with the pack-and -place machine design, the surface-mount LED this is the official debut.

Reference Sources: SMD LEDs

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