Laser Marking in Electronics Industry

Even in the Smallest Areas

Electrical products usually bear various labels and markings, they are required for good usability and contain type- and security information, serial numbers and traceability codes. Solid state and CO2lasers will produce durable laser markings on commonly used materials even on the smallest areas. For instance, a perfectly legible 2D matrix code will fit within an area of less than 1 mm x 1 mm.

Laser marking of polymers relies on carbonization or foaming processes caused by laser beam absorption. For backlit parts the laser selectively removes specific lacquer layers from multilayer-coated transparent bodies.

For metal housings annealing is used in most cases. Annealing produces durable laser markings with perfect surface quality without adding any undesirable substance.

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  • Dark and light markings on differently colored parts.
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  • Data-matrix codes by color exchange.