Intel's 2027 packaging ramps meet a substrate wall: 45% yields, 20% material gap
JPMorgan ended a bearish call held since November 2022 on the strength of Intel's 2027 packaging order book. A day later, Unimicron's chairman priced the substrate layer under it: 30-month equipment queues, a 20% material gap in 2027, and yields near 45%.
Vincent Jiang · 3 min read
JPMorgan upgrades the order book
JPMorgan raised Intel to neutral from underweight on October 19, ending a bearish call held since November 2022, with an $85 target through December 2027 12. Part of the case is EMIB-T, Intel's+1.01% — Intel, up 1.01 percent today packaging step that stitches computing chiplets and memory onto a single substrate; the bank says its order book is "strengthening ahead of the production ramps planned for 2027" 1.
Intel's finance chief said in July the company is "meaningfully increasing" spending on equipment, cleanroom space "and substrates" 3. JPMorgan−0.24% — JPMorgan, down 0.24 percent today counted the order book; a day later, Taiwan priced the queue beneath it.
Unimicron answers with a 30-month queue
Unimicron+4.27% — Unimicron, up 4.27 percent today, a leading Taiwanese maker of IC substrates, the layered boards chips sit on, did the pricing at the TPCA trade show in Taipei on October 20 45. Chairman S.C. Chien: lead times for some key equipment now run 30 months, with more than 80% of equipment delayed and over 20% of delays past double the original wait 45.
Low-CTE glass fiber cloth, copper-clad laminate and ABF, the film that builds up substrate layers, are tight, and critical materials could fall 20% short in 2027 45. His arithmetic for 2028 versus 2024: CoWoS, TSMC's+1.38% — TSMC, up 1.38 percent today rival packaging format, grows 6.8-fold and hyperscaler capex, already past $700 billion this year, 6.3-fold, while IC substrate capacity merely doubles 456.
CoWoS grows 6.8-fold by 2028; the substrate layer beneath it doubles
- Estimate
Data
| Value | |
|---|---|
| CoWoS packaging capacity (estimate) | 6.8x |
| Hyperscaler capex (estimate) | 6.3x |
| IC substrate capacity (estimate) | 2x |
| DRAM capacity (estimate) | 1.8x |
Yields near 45% land on a thin base
Yields are the thinner line. Sources inside the chain put substrate yields in Intel's own EMIB supply chain near 45%, with supplier targets of 50% in the fourth quarter of 2026 and 60% only by the first quarter of 2027 45. At 45%, every good substrate consumes roughly 2.2 starts; at 60%, about 1.7 45.
That climb lands on a small base: JPMorgan sizes Intel's external foundry at barely $1 billion annualized revenue in the first half against roughly $150 billion for TSMC 1. Intel's custom-silicon arm is nearing a $2 billion run-rate, but that is product money rather than foundry money 1.
Intel raised nearly $20 billion in a year, lifting shares outstanding from 4.4 billion to 5.1 billion, and management warns free cash flow stays difficult in 2027 with another raise possible 13. Quarterly capex has fallen from $6.5 billion in late 2024 to $2.6 billion in the June quarter 7.
Intel's capex has fallen by more than half since late 2024
Data
| Capital spending | |
|---|---|
| Q1 '24 | $5.97B |
| Q2 '24 | $5.68B |
| Q3 '24 | $6.46B |
| Q4 '24 | $5.83B |
| Q1 '25 | $5.18B |
| Q2 '25 | $3.55B |
| Q3 '25 | $2.43B |
| Q4 '25 | $3.49B |
| Q1 '26 | $3.64B |
| Q2 '26 | $2.56B |
Intel's EMIB substrate chain sits near 45% yield; 60% is only a 1Q27 target
- EMIB substrate yield
- Estimate
Data
| EMIB substrate yield | |
|---|---|
| Now (3Q26) | 45% |
| 4Q26 target (estimate) | 50% |
| 1Q27 target (estimate) | 60% |
TSMC's fallback spoke first
Chien himself cautioned the multiples do not necessarily signal shortage, since each segment grows from a different base 4. The execution case is real: data-center operating income hit $2.5 billion in the second quarter, passing the PC business for the first time 13.
But the fallback answered on October 15 8. Asked on TSMC's earnings call whether TSMC would back customers who bet on Intel's EMIB-T and came up short, chief executive C.C. Wei said "yes, we will be" 8. TSMC already ships packages five times reticle size, the area a lithography machine prints in one pass, with yields Wei calls excellent 8. Intel chief executive Lip-Bu Tan dates a foundry at 10 to 20 years by TSMC's example 9.
The tell: 50% by the fourth quarter
The next reading is Intel's third-quarter report, guided in July to $15.8–16.8 billion of revenue 3. The tell is smaller: whether EMIB-chain yields cross 50% this quarter 3. Above that line, the 2027 order book holds 3. Below it, the gap is funded by Intel's cash, another dilutive raise, or Wei's open door.
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