Lasertec and Swiss Micro Laser are pushing a new door in the field of sapphire machining. After successfully cutting a perfectly functional watch gear wheel out of sapphire plate, engraving inside a sapphire crystal becomes possible. Indeed, several months of development were required to enable this material to be engraved in its heart, without visible external marks. Moreover, this marking can be completely invisible for component identification since the minimum definition reached is 4µm per engraved pixel.
– Intra-sapphire laser engraving
– Resolution of 4µm / pixel
– Adjustable engraving depth
– Marking visible or invisible to the naked eye