Tag Archives: our shape of crystal glass

September 12, 2018

The principle of 2d/3d laser engraving.

  The principle of laser engraving is actually very simple. The laser should be able to engrave the glass. Its energy density must be greater than a certain threshold, or thresholds enough for destroying the glass. The energy density of the laser at some point is related to the size of the spot at that […]

sandblast etching