Jukan 8 items
Discussion 2026-09-23 · 07:28 ET
Is 16Hi HBM really pushed to 2029 — and does that extend 12Hi tight?
jukan05: JPM HBM model now sees 16Hi adoption 2029 earliest. Replies split on earlier slip vs prolonged 8/12Hi scarcity; no JPM primary in-thread.
top-replies JPMorgan · SK Hynix · Samsung
News 2026-09-23 · 07:28 ET
Samsung renames D0a to hybrid bonding; eyes HBM5
ZDNet Korea: D0a label shifts from VCT to W2W hybrid bonding (B1b); VCT becomes D0a-V; B1b under review for HBM5 (~2029).
primary ZDNet Korea · Samsung · TechInsights
Discussion 2026-09-16 · 07:22 ET
Is the Hynix–Intel story really a hyperscaler memory JV — or just talks?
jukan05 says the load-bearing angle is a possible Hynix–Intel JV with hyperscalers hungry for memory; replies stress prior denials, cycle cost, and that talks ≠ wafers this quarter.
top-replies SK Hynix · Intel
News 2026-09-15 · 07:22 ET
Korean media — Samsung may use TSMC as well as its own foundry for HBM base dies
jukan05 relays Korean media that Samsung is collaborating not only with Samsung Foundry but also with TSMC on custom HBM base dies depending on customer requirements. Primary article not opened; root post truncated.
secondhand Korean media (via @jukan05) · Samsung · TSMC
News 2026-09-15 · 07:20 ET
Korean media — Samsung Taylor fab running early, utilization near 30%
jukan05 relays Korean media that Samsung Foundry's Texas Taylor fab started earlier than a planned November start, with utilization crossing ~20% last month and approaching ~30% this month. Primary outlet not opened this pass.
secondhand Korean media (via @jukan05) · Samsung
Discussion 2026-09-15 · 05:00 ET
Is Samsung Taylor's early ramp a real AI foundry recovery — or pilot optics?
jukan05 relays Korean media that Taylor utilization hit ~30% (from ~20% last month), pulled forward vs a November plan on Tesla AI5 demand, with some expecting full utilization by year-end. Aju Press same week frames pilot lines and mass production early next year — a utilization-vs-pilot split.
top-replies Samsung · Tesla · TSMC
Discussion 2026-09-15 · 04:02 ET
Does Samsung dual-sourcing HBM base dies with TSMC ease the HBM bind — or just meet customers?
jukan05 and ZDNet Korea report Samsung will use both Samsung Foundry and TSMC for custom HBM base dies by customer request, with Memory Division owning design when TSMC fabs the die. Replies frame it as avoiding turnkey isolation; wafer-capex allocation to TSMC remains the open bind.
top-replies Samsung · TSMC · NVIDIA
Discussion 2026-09-14 · 08:36 ET
Is datacenter HBM stuck above 4-Hi, or is shorter stack the inference optimum?
jukan05 cites TrendForce that 4-Hi HBM is not enough and doubts suppliers would make it anyway; Jeff Pu concurs that datacenter de-spec to 4-Hi is unlikely. SemiAnalysis the same day argues 4-Hi maximizes tokens per HBM wafer for inference — a live supply-vs-architecture split.
top-replies NVIDIA · TrendForce · SemiAnalysis
‹ All posts People /Jukan /News ARCHIVE
News · Tue, 15 Sept 2026 · 07:20 ET

Korean media — Samsung Taylor fab running early, utilization near 30%

jukan05 relays Korean media that Samsung Foundry's Texas Taylor fab started earlier than a planned November start, with utilization crossing ~20% last month and approaching ~30% this month. Primary outlet not opened this pass.

secondhand Jukan Samsung Source ↗
Outlet: Korean media (via @jukan05)Published: Tue, 15 Sept 2026 · 05:00 ET

What happened

@jukan05 posted that, according to Korean media reports, Samsung Foundry's Taylor fab has begun operating earlier than an originally planned November start and has recently reached a utilization rate of about 30%. The same post states utilization crossed 20% as of last month and has approached 30% this month. The API-captured root text truncates mid-sentence after "Samsung"; a follow-up post is an image/link only. The underlying Korean article was not opened in this capture.

The numbers

Taylor fab utilization ~20% last month → ~30% this month (Korean media via jukan05) Capacity ramp claim; denominator (installed vs nameplate) not specified in the captured text.

Start earlier than planned November (same source) Timeline pull-forward versus prior plan.

Why it matters

An early foundry ramp with a stated utilization path is a capacity datapoint for US advanced-logic supply, independent of the weekend pacing narrative. Anonymous replies speculate about a Tesla AI5 anchor; those claims are not in the Korean-media summary jukan attributes and are not treated as fact here.

Positioning read

ai-capex-durability — early Taylor utilization is consistent with continued advanced-node buildout demand; it does not by itself falsify or prove hyperscaler guide paths.

Connects to

2026-09-14-hbm-4hi-enough — adjacent supply-chain thread; Taylor is logic foundry, not HBM, but sits in the same Asia/US capacity debate window.

The Open/Close  ·  Research commentary, not investment advice. Positions may be held in securities mentioned.