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High-bandwidth memory stacking yield

Stacking memory chips next to a processor without breaking them. Three companies can do it at volume.

The bottleneck itself →

  1. Research30 (Computed: Items per stage = papers, preprints and grants collected for the bottleneck whose relevance score is 2 or more, placed on a stage by the rule in lib/science.ts; judgements are counted separately.)+4 (Computed: Items first collected in the last 7 days whose publication or award date is within the last 30 days.) new
  2. Lab1 (Computed: Items per stage = papers, preprints and grants collected for the bottleneck whose relevance score is 2 or more, placed on a stage by the rule in lib/science.ts; judgements are counted separately.)
  3. Pilot1 (Computed: Items per stage = papers, preprints and grants collected for the bottleneck whose relevance score is 2 or more, placed on a stage by the rule in lib/science.ts; judgements are counted separately.)
  4. Early0 (Computed: Items per stage = papers, preprints and grants collected for the bottleneck whose relevance score is 2 or more, placed on a stage by the rule in lib/science.ts; judgements are counted separately.)
  5. Scale0 (Computed: Items per stage = papers, preprints and grants collected for the bottleneck whose relevance score is 2 or more, placed on a stage by the rule in lib/science.ts; judgements are counted separately.)

judged, with a citation claimed, no citationNumber: papers, preprints and grants the feeds collected — unreviewed

Searched for “high bandwidth memory”, “hybrid bonding”, “through-silicon via”, “DRAM stacking” in titles and abstracts.

32 collected items, newest first ↓Judged by hand ↓Who is active ↓

All stagesFundamental researchApplied / labPilot / demonstrationEarly commercialAt scaleNewestMost cited

Judged by hand

Readiness and substitute status, with reasoning

  • TechnologyPilot / demonstrationreadiness Estimate, not a measurementIn production for some image sensors and logic stacks; ramping for memory stacks.By Substrata, open to challenge · 2026-09-15Supporting source →Judgement, cited · 2026-09-15

    Hybrid bonding

    In production for some image sensors and logic stacks; ramping for memory stacks.

    Source ↗

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Newest first