Dual Seal Method for the Hermetic Sealing of Microbatteries

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Microbatteries face unique challenges in hermetic sealing due to their millimeter-scale dimensions. As battery size decreases, the surface-area-to-volume ratio increases, making traditional sealing methods like laser welding impractical. This guide explores innovative dual-seal methods using epoxy adhesives combined with laser-cut gasket materials to achieve hermetic integrity while maximizing energy density. The approach addresses critical requirements including chemical resistance to…