Leadership opinion by Doug Dixon
Doug DixonIf there’s one lesson the electronics community relearned in 2025, it’s that performance is no longer a “chip problem” or a “board problem” or a “factory problem.” It’s a system problem, spanning silicon, package, substrate, laminate stack-up, assembly process windows, inspection strategy, and even how we qualify supply chains.
Market signals reinforce that point. Prismark’s data (as cited in a 2025 sector update) showed the global PCB market returning to growth in 2024 (about $74B, +5.8% YoY) and then raising its 2025 growth forecast to +12.8% as AI infrastructure investment pulled high-performance boards and materials forward. And on the semiconductor back end, Yole’s analysis has been consistent: advanced packaging is no longer “value-add”, it is now the value chain’s enabling layer, with the advanced packaging market reaching $46B in 2024 (+19% YoY) and projected to exceed $79.4B by 2030.
So what does that mean for 2026? It means the winners won’t be the companies that optimize one node in the chain. The winners will be the ones that engineer continuity across the chain—design-to-manufacture-to-reliability, because the bottlenecks have shifted from transistor scaling to interconnect density, signal integrity, power delivery, and thermal reality.
Below are the 2025 innovations that mattered most (across semiconductors, electronics assembly, and PCB fabrication), and the milestones I believe will define 2026, grounded in Prismark and Yole’s outlooks, plus what the industry has been forced to operationalize on factory floors.
What 2025 Proved: The Innovation Center of Gravity Moved “Downstream”
AI redefined the PCB as a performance component, not a commodity
The boards behind AI compute aren’t simply “more layers.” They’re an entirely different performance class: higher-layer-count builds, tighter impedance control, lower-loss dielectrics, tougher skew budgets, and more punishing thermal gradients. Prismark-linked commentary in 2025 highlighted how the AI rollout created a super-cycle for 18+ layer boards, HDI, and advanced IC substrates, with product-mix shifts driving value growth, not just volume.
This matters because it changed executive decision-making. In 2025, more OEMs treated PCB capacity like they treat wafer capacity: something you secure, not something you source.
Materials became strategy: low-Dk glass, extreme low-loss laminates, and copper foils
The most uncomfortable truth in 2025 was that many performance roadmaps were gated less by design ambition and more by materials availability and consistency. In one Prismark-sourced discussion, low-Dk glass supply was described as a major constraint, while “extreme low loss” laminates moved from specialty to standard for AI servers and HPC.
This is a key leadership shift: materials procurement, qualification, and second-sourcing are now part of product strategy, not a supply-chain afterthought.
Advanced packaging hit escape velocity: chiplets, 2.5D/3D, hybrid bonding, and TCB
Yole’s reporting frames the macro clearly: advanced packaging is expanding because system complexity is expanding, and because AI infrastructure will pay for integration that reduces latency and increases bandwidth.
But 2025 also clarified how that growth is being enabled on the equipment side. Yole pointed to back-end equipment growth “to more than $9B by 2030,” with TCB (thermocompression bonding) and hybrid bonding as the fastest-growing segments, driven by HBM and chiplet architectures.
In other words: the back end is becoming the new front end.
Electronics assembly leaned harder into “process capability engineering”
In 2025, assembly wasn’t just about placing smaller passives or printing finer apertures, it became about controlling variability across more fragile process windows:
- Fine-feature printing and paste technology pushed further (especially for advanced packages and high-density interconnect builds)
- Warpage management, coplanarity, and void control became board-level reliability issues, not just yield metrics
- In-line inspection became more predictive, less “did we miss something?” and more “where is this process drifting?”
This is where leadership shows up: investing in tools is easy; investing in capability maturity (SPC discipline, measurement system analysis, closed-loop feedback) is harder, but it’s how you survive tighter windows.
The geopolitics-to-factory interface got real
The 2025 story wasn’t only “regionalization.” It was regionalization plus complexity. Prismark-related commentary highlighted expectations of meaningful diversification between 2025 and 2026, driven by export restrictions, tariffs, and material localization efforts.
Operationally, that translates into more dual-qualification work, more PPAP-like rigor outside automotive, and more attention to documentation, traceability, and test correlation.
The 2026 Milestones That Will Matter (and Why)
Milestone 1: “Package-first” design becomes mainstream for high-performance systems
2026 is the year more product teams will start from the package and substrate realities and work backward. Advanced packaging growth projections aren’t abstract; they’re telling us that the package is becoming the system’s differentiator.
Expect more organizations to formalize package/board co-design, not treat it as a special-project exception.
Milestone 2: Hybrid bonding and TCB move from “strategic” to “operational”
Yole’s back-end equipment outlook is a directional arrow: hybrid bonding equipment growth (fast CAGR) and TCB growth (HBM/chiplet driven) implies tool installation, learning curves, and ecosystem shakeouts.
In 2026, the story becomes less “who announced what” and more “who can run it at yield.”
Milestone 3: Substrate and high-performance PCB supply becomes the pacing item for AI infrastructure
Prismark’s elevated PCB growth outlook for 2025 was strongly tied to AI-driven demand for advanced board classes.
As that demand persists, 2026 becomes the year where capacity isn’t the only concern, capability and repeatability will be the differentiator. More shops will be able to “build it once.” Fewer will be able to “build it every week.”
Milestone 4: Materials qualification cycles shorten, and become more data-driven
The materials stack (glass, resin systems, copper foils, surface treatments) will see both innovation and substitution pressure. The 2025 conversation already showed a tension between performance requirements and supply constraints.
In 2026, organizations that can qualify alternates faster, without sacrificing reliability, will ship.
Milestone 5: Panel-level packaging takes clearer shape as an industrial roadmap
Yole’s view of PLP is notable not just for the growth rate, but for the why: cost and area-efficiency at larger package sizes, plus applicability beyond bleeding-edge compute into more mainstream package classes.
In 2026, expect more concrete proof points (pilot lines, prototype programs, early production learning) that clarify where PLP fits and where it doesn’t.
My 2026 Outlook in One Sentence
Electronics will be won or lost on interconnect execution, across package, substrate, board, and assembly, not on silicon alone.
That’s uncomfortable, because it forces organizational change. Many companies are still structured around legacy boundaries: IC design, package engineering, PCB engineering, manufacturing, quality, each optimized locally. But 2026 will reward the companies that optimize globally.
If you’re leading a team this year, here are the three questions I’d put on the first slide of every QBR:
- Where is our next bottleneck: materials, capacity, capability, or qualification time?
- Do we have a closed-loop from design assumptions to manufacturing data to field reliability?
- Are we partnering across the chain, or merely buying from it?
Because in 2026, “electronics” isn’t a vertical stack. It’s a single system. And the organizations that treat it that way will set the pace.
Doug Dixon is the CEO of 360 BC Group, Inc., a top marketing agency focused on the semiconductor and electronics industries. With more than 30 years of experience, Doug is known for developing innovative strategies that connect cutting-edge technology with market visibility. His expertise in Semiconductor Advanced Packaging, Power Electronics, Circuit Board Assembly, and Circuit Board Fabricationshapes the agency’s content and marketing efforts. Every year, 360 BC Group ghostwrites over 60 technical papers and contributes to major conferences, earning multiple Best Conference Paper Awards.
Doug is also a dedicated advocate for industry innovation, serving on the Board of Directors for both the PCEA and SMTA to help advance electronics manufacturing. Through his leadership, Doug drives growth and delivers impactful solutions at 360 BC Group, ensuring that technology and creativity work together to achieve success in a rapidly evolving market.