Latest / Hardware Startups with Fexingo: Devices, Robotics, and Manufacturing Tech Companies
How Hardware Startups Use Solder Paste Stencils for Consistency
In episode 80 of Hardware Startups with Fexingo, Lucas and Luna drill into the unsung hero of PCB assembly: the solder paste stencil. They explain how a laser-cut stainless steel sheet, just one hundred fifty microns thick, determines whether a prototype works on first power-up or ends up in the rework pile. The conversation centers on a specific case: a medical-device startup that reduced tombstoning defects from twelve percent to under one percent by switching from electroformed to laser-cut stencils and optimizing aperture geometry. Lucas walks through the physics of paste release, the…
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