Component · Physical Design & Signoff
Seal ring
A continuous ring of stacked metal and via structures around the die perimeter that blocks moisture ingress and stops dicing-induced cracks from propagating into active circuitry.
- Also known as
- Guard ring, Crack stop, Moisture barrier
- Type
- Component
- Domain
- Physical Design & Signoff, Floorplanning
Notes
Seal ring geometry is dictated by the foundry and its keep-out contributes directly to die area overhead.
Related terms
Part of the Physical Design & Signoff glossary, with every term in the topic and the lifecycles, tools and standards that use them.
Where it appears on the Hub
Used on 2 pages of the Hub. In each group, the pages that mention it most come first.
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Last reviewed: not yet reviewed in depth. Entry last updated . The full glossary