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Laserssel unveils mini LED rework system

Laser selective soldering
Laserssel unveils mini LED rework system

The new rework system automatically attaches and detaches mini-LEDs on mini-LED substrates Source: Laserssel

Laserssel, a leading provider of laser selective soldering technology based in the UK, has launched the rLSR Mini LED Rework System. The company says the technology enables the industry to solder temperature sensitive, warpage prone, very fine-pitch, odd form, big die, SiP, wearables, flex to flex, and various other mainstream and niche applications defect-free, high yield and with a low cost of ownership.

The BSOM (Beam Shaping Optical Module) patented technology takes the energy of a spot laser and turns it into a uniformly distributed area laser, the company explained. The uniformity of the energy is greater than 95 percent. This means that the energy of the spot laser is spread out evenly allowing for the same amount of energy density over the entire area to be soldered. This enables the proper coalescence, wetting, intermetallic formation to take place forming the final electronic interconnect or solder joint. The company says it designs and manufactures this technology in-house.

The new rework system automatically attaches and detaches mini-LEDs on mini-LED substrates. When applied to the production line of backlight panels of tablet PCs and notebook PCs, Laserssel says it provides a rework yield rate of 99 percent or higher, providing great cost savings to the panel production line.


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