Yield Improvement Plan

Use this template to plan data-driven actions to improve wafer, assembly, or final test yield for a product line.

Template Metadata

Yield Baseline

State product, process stage, current yield, entitlement, volume, and measurement window.

Notes

[Add context, assumptions, exceptions, evidence links, screenshots, calculations, or reviewer comments.]

Loss Pareto

Summarize top bins, defect types, process modules, tools, lots, or assembly steps causing loss.

Notes

[Add context, assumptions, exceptions, evidence links, screenshots, calculations, or reviewer comments.]

Hypotheses

List likely physical or process mechanisms with supporting data and confidence.

Notes

[Add context, assumptions, exceptions, evidence links, screenshots, calculations, or reviewer comments.]

Experiments

Define DOE, split lots, tool comparisons, recipe trials, sample sizes, and success criteria.

Notes

[Add context, assumptions, exceptions, evidence links, screenshots, calculations, or reviewer comments.]

Action Plan

Assign containment, process changes, test changes, maintenance, supplier, and quality actions.

Notes

[Add context, assumptions, exceptions, evidence links, screenshots, calculations, or reviewer comments.]

Monitoring

Define dashboards, SPC charts, control limits, review cadence, and rollback triggers.

Notes

[Add context, assumptions, exceptions, evidence links, screenshots, calculations, or reviewer comments.]

Financial Impact

Estimate die, unit, scrap, cycle time, or customer impact from expected yield gain. Use quantitative baselines and manufacturing-focused improvement actions.

Notes

[Add context, assumptions, exceptions, evidence links, screenshots, calculations, or reviewer comments.]

Review and Signoff

Document review conclusions, approvals, unresolved items, and next review date.