 |


|
 |

Laser marking is a process of creating surface contrast using a range of physical effects, whereas laser engraving creates surface contrast by removing certain (typically .005 to .02") depth of material.
Physical effects, enabling laser marking, include:
|
Surface oxidation at laser induced elevated temperatures (marking stainless steel, titanium, wood, and most plastics.)
|
|
Ablation of low thermally conductive coating on substrate with high thermal conductivity (marking anodized aluminum, silicon nitride)
|
|
Thermally induces surface cracks (marking glass)
|
|
Change of surface roughness after local melting and re-solidification ( marking Al2O3/SiN ceramics, silicon, gold, platinum, some plastics)
|
|
Deposition of target material on a marking material (marking quartz wafer using ceramic target and inverted material transfer)
|
|
Applications:
LLTI can mark any shape or illustration, identification, and a variety of Automatic ID codes, including but not limited to Data Matrix, Dot Matrix, Code 3 of 9, Interleaved 2 of 5 and many others. We have character recognition systems and 2D readers to verify and grade marks to ANSI Standards. Area of applications include medical, semiconductor, MEMS, aerospace and automotive industries..
|
|
Materials:
LLTI specializes in marking anodized aluminum, stainless steel, titanium, gold, silver, nickel, silicon, wood, glass, acrylic, delrin, and a variety of polymers. We have capability of putting a permanent laser mark on the inner surface of rings. We can mark any font or custom logo required by our customer.
|
|
Capabilities:
With an unlimited font selection, LLTI has capabilities of marking alphanumeric characters as small as 20-micron height with smallest stroke width from 6 microns and engraving down to 0.1" deep. Working area can be as big as 18X24". Our lasers have X/Y/Z stages and rotary indexers integrated to hold positional tolerances of +/- .001". Logos and text can be machined on flat, cylindrical, and curved surfaces.
|
|
 |


|
 |


|


|


|


|


|


|


|


|


|


|
|