Laser welding is performed in an inert gas atmosphere using argon. It can provide spot, stitch and continuous hermetic, vacuum tight, weld in the pulsed operation mode in a glove box.
Any weld compatible metals can be laser welded and we commonly laser weld parts made from Aluminum, i.e. Al Alloy 6061 T6 for Package & Al Alloy 4047 for lids.
With their well-defined beams, lasers are excellent tools for welding thin materials with localized heating, without affecting the heat-sensitive components.
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