Marking Alumina Ceramic with Synrad’s Pulstar P100
02 June 2014
Alumina ceramic is commonly used in electronic component manufacturing especially in high temperature environments primarily due to its good thermal conductivity and strength properties
Laser marking these ceramic components is commonly done for traceability purposes and laser marking is ideally suited because of its permanent nature. UK distributor Laser Lines Ltd offers Synrad’s new Pulstar p100 which is a perfect fit for this application,
One unique advantage of Synrad’s new Pulstar p100 pulsed laser with its high peak power (up to 400 W) is its ability to mark ceramic with much darker contrast compared to lasers with lower peak power. To demonstrate this, a 1 mm thick alumina ceramic wafer was marked with a serial number and manufacture date. The p100 laser was mounted to an FH Flyer marking head equipped with a 200 mm focal length lens and controlled via Synrad’s WinMark Pro software,
The p100 mark has an easily noticeable metallic grey contrast that provides excellent readability under most lighting conditions and the resulting mark was completed in a cycle time of 720 milliseconds. When this mark was reproduced at identical speeds using a standard 100 W laser with lower peak power, the contrast difference was very obvious as the mark is barely visible.
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