In the final thesis we presented the key factors and concepts, which must be considered in the laser welding of polymers. We focused on the transmission laser welding of polymers which are used in a lot of production companies. Our aim was to research factors, which are important for making a good weld. We examined whether all polymers are compatible with each other and what kind of colour can be weld together. We have found that not all polymers are compatible, but almost all kind of colour can be weld together.
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