Laser QR code marking has a broad range of applications, including security and tracing. Laser processing precision makes it possible to engrave tiny QR codes on different material surfaces as well as imprinting QR codes into transparent material volume. This makes counterfeiting much more difficult. In the watch industry, for example, it is possible to mark every part of a watch, even the very smallest.
Femtosecond laser marking allows precise coloring of titanium alloy surfaces to achieve varying colors. The technique is used in cosmetic, industrial, and automotive applications such as jewelry, medical devices, and tool marking. Similar effects can be achieved on other metals, like stainless steel, copper, silver, and gold.
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A feasibility study is composed of several steps, including researching methods for fabricating micro-structures, fabricating a micro-structure prototype, measuring and aligning the prototype with technical requirements, and finally preparing a study report.