Intel said the semiconductor industry will likely reach the limits of scaling transistors on a silicon package using organic materials by the end of this decadeCITE:E1. That projection is presented as an industry-wide expectation rather than a measured production milestone, but it frames the shift toward glass as a response to an approaching ceiling rather than an incremental upgrade.
Intel said glass offers ultra-low flatness along with better thermal and mechanical stability than today's organic substratesCITE:E2. Intel said these properties result in much higher interconnect density in a substrate compared with organic materialsCITE:E2.
Intel said a 10x increase in interconnect density is possible on glass substratesCITE:E4. Intel described this as a technical capability it is pursuing rather than a specification already shipping in a production part.
Intel said the technology gives chip architects the ability to pack more tiles, also called chiplets, into a smaller footprint on a single packageCITE:E5. That framing ties the interconnect-density gains described above directly to how many separate chiplets a designer can fit onto one glass-based package.
Intel said it is on track to deliver complete glass substrate solutions to the market in the second half of this decadeCITE:E3. Separately, Absolics, a unit of SK Group, said its glass substrate product allows larger processors and supports mounting up to four times more chips in the same spaceCITE:E6, a claim it made when breaking ground on its manufacturing site.
| Metric | Value | Entity | Date |
|---|---|---|---|
| Organic material scaling limit (projected) | Reached by end of this decade | Intel | 2023-09-18 |
| Interconnect density gain (glass vs. organic) | Up to 10x | Intel | 2023-09-18 |
| Chip capacity in same footprint (glass substrate) | Up to 4x more chips | Absolics (SK Group) | 2022-11-01 |
| Target for complete glass substrate solutions | Second half of this decade | Intel | 2023-09-18 |
Nippon Electric Glass said glass's inherent brittleness and its tendency to crack during processing had been an obstacle to productionCITE:E7. Nippon Electric Glass said it has achieved crack-free CO2 laser processing of glass substrates by collaborating with Via Mechanics, a company it described as highly regarded for its laser processing technologyCITE:E7.
Taken together, the evidence shows glass substrates addressing two separate constraints at once: a density ceiling that Intel says organic materials will hit by the end of this decadeCITE:E1, and a manufacturing defect — crack-prone processing — that Nippon Electric Glass says it has now resolvedCITE:E7. Intel's 10x interconnect-density figureCITE:E4 and Absolics' 4x chip-capacity figureCITE:E6 both describe capability gains rather than shipped production volumes, and Intel's own target for a complete market solution is the second half of this decadeCITE:E3.
Intel said the semiconductor industry will likely reach the limits of scaling transistors on a silicon package using organic materials by the end of this decade…
Intel said glass offers ultra-low flatness along with better thermal and mechanical stability than today's organic substratesCITE:E2.
Intel said a 10x increase in interconnect density is possible on glass substratesCITE:E4.
Intel said the technology gives chip architects the ability to pack more tiles, also called chiplets, into a smaller footprint on a single packageCITE:E5.
The two headline figures in this shift — Intel's 10x interconnect-density claim and Absolics' 4x chip-capacity claim — are both capability statements, not shipped specifications, and that gap matters for anyone assessing timing. Intel itself frames delivery of a complete solution as a second-half-of-decade target, not a near-term one. What changes the calculus is the manufacturing side: Nippon Electric Glass's claim of crack-free CO2 laser processing addresses the brittleness problem that has kept glass out of volume production, which is arguably the more load-bearing development here since density gains are meaningless without a repeatable way to cut the material without breaking it. The metric worth watching is whether Intel's second-half-of-decade delivery target holds, since that is the point at which the 10x density figure would need to convert into an actual shipping package rather than a demonstrated capability.
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