Reduce unnecessary process complexity before pushing price negotiations. The best saving preserves the electrical and reliability requirements.
What to consider
Investigate whether placement or pin assignment can eliminate a build-up stage, whether fine rules can stay local and whether a stocked material system meets the channel budget. Improve panel utilization with the fabricator. Remove redundant process requirements only after their engineering purpose has been reviewed.
A practical review example
If a single device forces an extra build-up, compare an alternative package or placement with the total fabrication saving across the product volume. Include redesign and validation cost in that decision.
Checks before release
- Compare simpler constructions using an escape study.
- Avoid unnecessary global minimum geometry.
- Keep required acceptance and verification scope intact.
Connect this decision to fabrication
Use the cost estimator to organize the initial discussion. Keep proposed values separate from the approved drawing and document the effect of any change on the rest of the construction.
- Separate setup, recurring fabrication and optional tests.
- Compare equivalent quantities, materials and acceptance criteria.
- Confirm the released construction before relying on price or delivery.
Technical references
HDI design and manufacturing overviewFabrication design guidelinesReferences checked 2 October 2026. Manufacturer data describes its stated construction and is not an HDIPCB.org manufacturing commitment.