Blog

For high-impedance and high-voltage PCBAs, “clean” is proven by stable insulation under humidity, bias, and time—not by a green bulk ionic number. This field guide shows how localized residues, rework, and rinse/process control predict drift (and how to validate it).

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Yield ramp service turns a fragile pilot into a repeatable process by pairing short-term containment with root-cause closure. Learn how credible defect data, paste and reflow control, operator loops, and a golden build packet prevent drift and “rented” output.

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Bed-of-nails fixtures as a service bridge the gap between flying probe and full ICT for mid-volume teams under schedule pressure. The real buy is ownership: modular design, fast ECO updates, and maintenance that keeps yield stable.

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Reballing can look like a win while quietly pushing marginal boards toward pad damage, flex failures, and warranty returns. This guide lays out clear stop conditions, pad-health gates, X-ray usage, and profiling discipline to decide when to reball—and when to decline.

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Functional tests can pass and units can still fail after shipping or install when mechanical issues mimic electrical faults. This guide shows how to prevent DOA returns with auditable harness routing, verified fastener and ground control, and pack-out designed for carrier indifference.

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A practical guide to secure firmware programming and key injection on the PCBA line without leaking IP. Learn how to define the programming boundary, produce per-serial evidence, control stations, and run promotion gates that stand up to audits and incidents.

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