Burst-mode ultrafast laser welding joins sapphire and Invar across 10 μm gaps with 6.3 MPa shear strength.
Transmission Laser Welding of Similar and Dissimilar Semiconductor Materials,
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Burst-Mode Ultrafast Laser Welding of Sapphire and Invar Alloy Across Large Interfacial Gaps up to 10 $\mu$m
Burst-mode ultrafast laser welding joins sapphire and Invar across 10 μm gaps with 6.3 MPa shear strength.