Market and Technology Trends

High-End Performance Packaging 2026

Sep 2026

Packaging Capacity: The New Bottleneck in AI Compute

YINTR26572

SCOPE

Last update: 2024
Frequency: yearly

Depth analysis

Module
Sub-module
Component

Technology

FOG
RLG
HRG
MEMS
Quantum/Cold Atom

MARKET

The high-end inertial market reached $4.7B in 2025 and is expected to grow at a 10% CAGR to $8.5B by 2031. Defense and aerospace dominates the market by a wide margin, led by drones and GNSS-denied navigation. Industrial accounts for only a small share in value but ranks first in volume.

2021-2026-2031 Timeframe

Type of Analysis

Device units
Value

PLAYERS

Honeywell, Northrop Grumman/LITEF and Safran share more than half of the market, while US players account for more than 60% of revenue. Lead time and price have replaced performance as buying criteria, favoring MEMS and pressuring other technologies. Suppliers are cutting SWaP, with silicon-photonic FOG emerging. Low US stockpiles limit exports, pushing US firms into European deals for ITAR-free products, while Thales and Exail signed a tender offer agreement.

Type of Analysis

Market shares
Ecosystem / Supply chain
Strategy / Financial analysis
Business news

TECHNOLOGY

MEMS attracts most development, winning on size, power and cost despite performance limits. FOG is miniaturizing toward a MEMS footprint, with Anello and OSCP replacing fiber with silicon photonic chips. RLG stays mature and trusted for navigation. Safran now leads HRG, producing below laser technologies at equivalent performance. Cold atom gravimeters are commercial with Exail and Vector Atomic, bulky but unmatched on sensitivity.

Type of Analysis

Technology status
Technology Roadmap

What's New

Added new 3.0D technology segmentation covering hybrid bonding for CBA DRAM, logic/memory, and optical engines.
Added a market forecast that now includes the industrial market.
Split the market forecast into Si interposer, molded interposer with bridge, RDL interposer, and EMIB bridge.
Split the 3D stacked memory forecast into 3D HBM, 3D stacked DRAM, 3D CBA DRAM, and 3D NAND.
Added an interconnect technology forecast by hybrid bonding W2W, hybrid bonding D2W, and microbump.
Added an optical engine forecast comparing hybrid bonding with microbump.
Added a market forecast for FCBGA used in high-end packaging.
Added market revenue share for the top 10 players in each HEPP technology.
Added ASP by technology and package cost structure.
Added the packaging evolution trend for each market segment.
Updated technology trends for interposers and bridges.
Added more applications adopting direct bonding (hybrid and fusion bonding) technology.
Added technology trends for passive components and power delivery.
Added a technology comparison and introduction timelines for competing approaches: CoWoS vs. CoWoP vs. CoPoS.
Added a technology comparison between CoWoS and other platforms by interposer type.
Added an analysis of 2.5D/3.0D Chinese players and their supply chain.

Report's Objectives

The main objectives of this report are to:

Identify and describe which technologies can be classified as ‘High-end Performance Packaging’
Define High-end Performance Packaging
Analyze key market drivers, benefits, and challenges of High-end Performance Packaging, by application
Describe the different existing technologies, their trends, and roadmaps
Consider the supply chain and High-end Performance Packaging landscape
Update the business status of High-end Performance Packaging technology markets
Provide a market forecast for the coming years, and estimate future trends

High-end Performance markets are studied from the following angles:

Top-down, based on end-system demand
Market valuations based on top-down and bottom-up models
Market shares, based on production projections
Supply value-chain analysis
State-of-the-art technologies and trends
End-user application adoptions

Market revenue is set to nearly quintuple by 2031, a 27% CAGR

Explosive, AI-led growth. High-end packaging revenue is set to grow nearly 5x, from $12.1B in 2025 to $52B in 2031 at 27% CAGR, as telecom & infrastructure surges to 70% of the market on AI GPU/ASIC packages, HBM integration, and CPO optical engines.

An interconnect revolution. Hybrid bonding overtakes microbumps to reach ~58% of revenue by 2031, propelling the industry from 2.5D toward 3D and converged "3.5D" architectures, while co-packaged optics optical engines scale from a negligible base to $343M.

A concentrated but shifting field. The top six players hold ~97% of 2025 revenue, led by Intel and fastest-growing TSMC, yet OSATs are gaining fastest, signalling share shift as AI packaging outpaces IDM/foundry capacity and premium ASPs reward new logic and optical platforms.

Packaging Capacity: The New Bottleneck in AI Compute

The business model splits by technology, not by a single owner. Foundries lead high-density silicon interposers (2.5D Si interposer), controlling front and middle-end while OSATs enter only at back-end assembly.

IDMs own the closed, proprietary flows end to end. Intel's EMIB runs entirely in-house across front, middle, and back-end, keeping the most advanced integration captive.

Fan-out and bridge platforms are the open opportunity for OSATs. In 2.5D UHD FO/RDL and FO Si bridge/mold interposers, business is shared between foundries and OSATs, giving OSATs their clearest entry into 2.5D.

Memory makers hold the 3D stacking business but outsource assembly. For 3D stacked memory (3DS/3D NAND and HBM), IDMs own the front and middle-end while back-end is mixed, with packaging handled by OSATs.

Every building Block is scaling through Integration

Logic and memory are both scaling through integration, as monolithic logic gives way to chiplets and heterogeneous integration while HBM stacks climb from 4–16 high today toward 16–20 stacks, custom HBM, and emerging HBF.

Hybrid bonding is the central interconnect trend, with W2W already mature and D2W emerging today, expanding into broader W2W, D2W, and D2D adoption as the industry moves beyond microbumps.

Interposers are growing larger and shifting substrates, evolving from silicon and RDL toward larger and glass interposers, while manufacturing migrates from chip-on-wafer to chip-on-panel (PLP) for cost and scale.

Optical and substrate innovation round out the roadmap, as silicon photonics advances from PIC/EIC on PCB toward CPO integrated on substrate and interposer, and substrates transition from organic cores to glass and other materials such as ceramic and silicon.

Intellectual Property Rights (IPR)
Disclaimer: AI-assisted research & quality statement
Glossary
Scope of this report
Report objectives
Companies cited
Identity card
Methodologies & definitions
About the authors
What we got right, what we got wrong
3-page summary
Executive summary
Context
Market Forecast

Forecast comparison 2025-2026
Revenue, shipment and wafer by end-market and technology
Revenue of interposer/bridge by end-market
Revenue and wafer by CoWoS, CoWoP, CoPoS and Foveros
Revenue of 3D stacked memories and 3D HBM
Revenue by 3D stacked for chiplet and optical engine
FCBGA revenue for high-end packaging
Revenue, shipment and wafer by interconnect type: HB W2W, D2W, µbump

Market Share

Revenue by top players
Top 10 players by technologies
CoWoS-S, -R,-L, CoPoS wafer volume
ASP by technology
Package cost structure by technology

Conclusion for Market Forecast and Market Share

Market Trends

AI trends
Computing trends
Telecom & infrastructure trends
Consumer market trends
Mobile market trends
Automotive market trends
Industrial market trends
Market Trends overview

Conclusion for Market Trends

Supply Chain

Overview of the supply chain in advanced packaging
Key players for AI chips
Supply chain for CoWoS and CoWoP
Business models by technology
Business models by players – TSMC, Intel, Samsung, ASE, Amkor, JCET
Key Players Advanced Packaging Adoption – TSMC, Nvidia, Intel, Samsung, AMD, ASE
Commercialized Products
- GPU in datacenter by Nvidia
- GPU in datacenter teardown – B200 and H200
- GB10 for consumer by Nvidia
- GPU in datacenter by AMD
- Processors by Intel
Supply Chains – From Material to System
Supply chain focus in China
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