ZEISS and ASML Extend Lithography Technology Roadmap Through 2040
ZEISS has announced that its strategic technology collaboration with ASML has now been planned through 2040, signaling a long-term commitment to the future of advanced semiconductor manufacturing. Alongside the roadmap announcement, ZEISS also unveiled plans to expand its headquarters and construct new production facilities to support growing demand for lithography systems driven by AI, high-performance computing (HPC), and next-generation semiconductor nodes.
The roadmap extends well beyond the current High-NA EUV era, outlining research into future optical architectures and post-EUV lithography concepts. For chip manufacturers, the announcement provides greater visibility into the evolution of semiconductor manufacturing technologies over the next decade and a half.
🔬 Why ZEISS Is Known as the “Eyes” of EUV Lithography #
Although ASML is the world’s only supplier of production-ready extreme ultraviolet (EUV) lithography systems, one of the most critical technologies inside every scanner originates from ZEISS.
ZEISS develops and manufactures the ultra-precision optical components used throughout ASML’s EUV systems, including:
- Projection optics
- Illumination systems
- Ultra-flat EUV mirrors
These optical assemblies determine how accurately EUV light is projected onto silicon wafers during chip fabrication.
The close relationship between the two companies has led to a common description within the semiconductor industry:
- ASML provides the lithography platform
- ZEISS provides the optical system that makes it possible
Without both technologies working together, volume production of leading-edge semiconductor nodes would not be feasible.
🔍 Manufacturing EUV Optics Pushes Precision to Its Limits #
Producing optical components for EUV lithography is among the most demanding manufacturing processes in the semiconductor supply chain.
For example, EUV mirrors require an exceptionally smooth surface finish.
According to ZEISS, the allowable surface deviation is approximately 0.05 nanometers, an extraordinarily small tolerance that approaches atomic dimensions.
Achieving this level of precision requires proprietary manufacturing techniques, including advanced ion beam polishing, allowing the mirrors to accurately reflect 13.5 nm EUV light with minimal distortion.
Because EUV systems rely on reflective optics rather than conventional lenses, even microscopic imperfections can significantly affect imaging performance.
🛣️ A Roadmap Stretching to 2040 #
Planning jointly through 2040 provides customers with long-term visibility into the evolution of lithography technology.
Rather than focusing solely on today’s manufacturing challenges, the roadmap spans multiple generations of semiconductor process technology.
High-NA EUV: 2025–2027 #
The immediate priority remains High-NA EUV (High Numerical Aperture).
Increasing the numerical aperture from 0.33 to 0.55 substantially improves imaging resolution, enabling semiconductor manufacturers to support production at 2nm-class technologies and beyond.
ASML’s High-NA systems, including the EXE:5200 series, represent the next major step in EUV lithography.
These machines carry price tags exceeding €350 million per system, making them among the most expensive manufacturing tools ever produced.
ZEISS’s expanding production capacity is intended to support increasing demand for the sophisticated optical assemblies required by these systems.
Hyper-NA EUV: 2028–2032 #
Beyond High-NA, research is expected to move toward Hyper-NA EUV, with numerical apertures potentially approaching 0.75.
Reaching this level would require substantial advances in:
- Optical system architecture
- Mirror technology
- Material science
- Mechanical precision
These challenges are expected to require continued collaboration between ZEISS and ASML throughout the coming decade.
Post-EUV Technologies: 2033–2040 #
The roadmap also recognizes that EUV lithography will eventually approach practical and physical limitations.
Several longer-term research directions are being explored, including:
- Higher-brightness EUV light sources to improve wafer throughput
- Multi-wavelength phase imaging techniques
- Alternative lithography concepts such as electron-beam direct write (EBDW)
- X-ray lithography and other emerging patterning technologies
While none of these technologies has yet emerged as a clear successor to EUV, extending research into multiple areas reduces long-term technology risk.
🏭 Why ZEISS Is Expanding Manufacturing Capacity #
Alongside its technology roadmap, ZEISS announced a significant expansion of its facilities in Oberkochen, Germany.
The project adds approximately 25,000 square meters of new floor space while also supporting construction of additional manufacturing facilities.
Several factors are driving the expansion.
Supporting High-NA EUV Production #
The immediate objective is increasing production capacity for optical components used in High-NA EUV systems.
As demand for advanced lithography equipment grows, scaling production becomes increasingly important.
Increasing EUV Mirror Output #
Manufacturing a single EUV mirror can require weeks—or even months—of precision processing and testing.
Additional production capacity enables more mirrors to be manufactured simultaneously, helping reduce supply constraints.
Preparing for Future Generations #
Future lithography systems will require entirely new optical designs.
Expanding facilities today allows ZEISS to prepare manufacturing infrastructure for technologies that may not enter production until the next decade.
📈 Meeting Growing Demand for Advanced Packaging and AI #
The timing of the expansion reflects broader trends across the semiconductor industry.
Rapid investment in AI accelerators, advanced processors, and next-generation manufacturing has significantly increased demand for leading-edge lithography equipment.
Industry reports indicate that ASML continues to maintain a substantial order backlog for EUV systems, with delivery lead times often extending well beyond a year.
Increasing optical production capacity therefore addresses one of the key constraints in expanding global semiconductor manufacturing capability.
🌍 Broader Implications for the Semiconductor Industry #
A technology roadmap extending to 2040 provides valuable planning certainty for semiconductor manufacturers.
Companies investing tens of billions of dollars in fabrication facilities require confidence that future lithography technologies will continue supporting process scaling.
Long-term visibility enables manufacturers to better coordinate:
- Process node development
- Fab construction
- Equipment procurement
- Capital investment planning
In this respect, the roadmap represents more than a research timeline—it serves as an industry planning framework.
🧭 What It Means for the Global Competitive Landscape #
The roadmap also highlights how deeply integrated the semiconductor ecosystem has become.
As leading-edge manufacturing continues advancing through coordinated development between equipment suppliers, optics manufacturers, foundries, and chip designers, long-term collaboration strengthens the industry’s technological foundation.
At the same time, the announcement underscores the growing importance of ecosystem-level innovation. Competing in advanced semiconductor manufacturing increasingly requires more than individual technological breakthroughs; it demands coordinated progress across lithography systems, optics, materials, manufacturing infrastructure, and software.
Looking further ahead, the roadmap also acknowledges that EUV will eventually approach its practical limits. Whether the industry ultimately transitions to Hyper-NA EUV, electron-beam lithography, X-ray lithography, or an entirely new patterning technology remains uncertain. However, by extending research through 2040, ZEISS and ASML are positioning themselves to play a central role in whatever technology succeeds today’s EUV platforms.