Thursday 9 September 2021 | British Motor Museum | Gaydon

PCB Live Exhibitor Introduces Laser Marking of Enclosures

Fareham-based electronic enclosures manufacturer OKW has added interesting new laser marking technology to its wide range of customisation services, and will be highlighting examples of it at the forthcoming PCB Live Exhibition at Gaydon on March 12th.

The company states that laser marking of both legends and logos offers the triple benefits of being waterproof, smudge-proof and durable, and says that the process is ideal for very small machine-readable markings such as sequential QR codes or barcodes. Consecutive numbering can be carried out quickly, easily and cost effectively. Using a laser to mark an enclosure is said to provide a much more resilient solution than printing because it physically changes the colour of the surface: dark and light plastic parts turn grey at the point of marking.

Suitable materials for laser marking include ABS, ASA+PC and ASA+PC-FR, polycarbonate, polyamide (and PA GF) and aluminium. Depending on the materials involved, the company says that off-white, pebble grey, light grey, lava and black enclosure colours are good for high-contrast laser marking.

OKW continues to offer photo-quality digital printing (up to 1,800 x 1,800 dpi) on surfaces with a height difference of up to 2.5 mm. Like laser marking, the set-up costs for digital printing are much lower than those for traditional silk screen or tampo methods, making digital printing and laser marking ideal for lower volume production runs.

OKW’s other enclosure customisation options includes CNC machining, lacquering, decor foils, special materials, EMC shielding, installation and assembly, fully bespoke enclosures, membrane keypads and touchscreens, examples of which can be seen on the company’s stand at PCB Live or at this link:


PCB Live is the UK’s only dedicated event focusing on PCB design, test and manufacture. This one-day opportunity provides senior engineers with a platform to meet and talk with some of the most experienced PCB-related technologists and application experts in the country.

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