Challenges in the laser microwelding of thin metallic materials

AUTHOR: Dr Jack Gabzdyl, VP of marketing and business development, SPI Lasers

In today’s modern industry, there is a growing demand for the efficient mechanical and/or electrical microjoining of thin metallic materials. There are many areas where material or process compatibility is insufficient for conventional thermal processes, such as welding, brazing and soldering, or the use of adhesives and mechanical fasteners is not desired. This is perhaps most prevalent in the energy storage sector, where the use of thin foils for cathode and anode manufacture is needed for next-generation batteries; a critical component of the burgeoning e-mobility sector. While in the consumer electronics industry, there is a constant push for innovation through high-density packaging and miniaturisation, challenging conventional joining techniques.

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