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ECO control - KKPCB

Megtron 7 PCB DFM Release: Panelization, Coupons, and ECO Control Before Volume Build

The most expensive Megtron 7 PCB problem is often a release problem, not a material problem. A prototype may route correctly, yet the volume panel has no representative coupon, uneven copper, an impractical depanelization rail, or an ECO that quietly changes the impedance construction. A useful DFM gate turns the electrical intent into a package...