An aerospace instrumentation supplier requalified a discontinued 12-layer board design after its original manufacturer exited the market.
An aerospace instrumentation supplier's original board manufacturer exited the PCB fabrication business, leaving a qualified 12-layer instrumentation board with no active source. The board's original materials and processes needed to be matched closely enough to avoid retriggering a full instrument-level requalification.
Copperline's engineering team reverse-documented the original stack-up from archived fabrication drawings and matched available materials as closely as possible to the original specification, flagging the small number of substitutions that couldn't be matched exactly for the customer's engineering team to review and approve before production began.
The requalified board passed the supplier's incoming inspection and functional test criteria against the original acceptance limits, restoring supply for a low-volume, long-lifecycle program now running at 1,200 units/year with Copperline as the qualified source of record.
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