APPLICATIONS

THEORY, KNOWLEDGE, MODELS & DATA

CAPABILITIES
Target Applications:  hermetically sealed parts, electrical connectors, sensors, switches, e-water pump, e-ATF pump, slot liners



Introduction to Laser Welding

Laser Welding Database
Ongoing updated database that contains historical data, laser settings, laser transmission values, etc


LASER TRANSMISSIVE MATERIALS

Commercial Laser Transmissive "Black" Grades

ThicknessesAbsorbing Layer

R-3-410BL LZT

1mmR-4-270BL, BR11BL
1.5mmR-4-270BL, R-4-240BL
2mmR-4-270BL, R-4-240BL

A-1130 HS LZT BK979

1mmA-1625 HS BK324

2mm

A-1625 HS BK324
AE-8940 LZT BK9791mm AE-8940
2mmAE-8940
A-1145 HS LZT BK9791mm A-1625 HS BK324
2mmA-1625 HS BK324

AE-8930 LZT (inactive)

1mm

AE-8935, AE-8940, AE-8950,

 AE-9933, AE-9950

2mmAE-8935 BK


Laser Welding Transmissive on Transmissive using "clearweld" dye


Equipment



Shanghai

Leister Basic AT

200W Fiber Laser @1070nm

Spot size: 0.6mm/1mm/1.5mm/3mm/6mm

Alpharetta

50W Fiber Laser @1064nm

Spot size: 1mm

Testing



Laser Transmission

measuring % transmission at specific wavelengths

Alpharetta: Perkin Elmer Lambda 950

Shanghai: LPKF TMG3

Weld Strength

Lap shear testing for weld strength



Microscopy

Imaging to analyze cohesion at weldline