The D-Code Podcast podcast

Apex 2026 - Ethan Shipp

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Every winter, the same mystery plays out on SMT floors across the country.

A board that printed great in September goes back on the line in December. Same paste, same squeegee parameters, same board support, same stencil. Suddenly the paste stops rolling right, hangs up inside the apertures, and somebody picks up the phone to tell the stencil guy his stencil "stopped working."

Down at the pick-and-place, static on the cover tape starts turning 0201 LEDs into jumping beans, flipping parts upside down in the pocket before the nozzle even gets there.

Nothing broke on the machines. The building heat kicked on and your shop humidity tanked to 12%.

At SMTA International 2026, Ethan Shipp from Ikeuchi USA ("the Dry Fog engineers") joined Elias Malfavon Jr., Sean Kincaid, and Daniel Stanphill at The D-Code booth to talk about one of the most overlooked variables in electronics assembly: relative humidity.

We got into: • How atomizing water down to 7.5-micron droplets creates a "dry fog" that bounces right off surfaces (you can hold an open laptop three feet from the nozzle and pull it away bone dry) • Why Sean mounted his AKIMist "Green Egg" right next to his pick-and-place and watched his 0201 feeder static headaches vanish • The counterintuitive reason low winter humidity actually makes many air-cured conformal coatings and adhesives take longer to dry, even when your thermostat stays at 68 degrees • Building localized microclimates over specific SMT lines in high-ceiling warehouses without plumbing the whole building (plus the unofficial winter bonus of fewer shop-floor sick days)

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