📚 Stock Market Glossary
Clear, beginner-friendly explanations, real-world analogies, and visual formulas for key stock market terminology.
High NA EUV (High Numerical Aperture Extreme Ultraviolet)
Corporate & Tech💡 Key Takeaway: ASML's next-generation $350M+ extreme ultraviolet lithography system with a 0.55 numerical aperture for sub-2nm semiconductor manufacturing.
Ultra-Fine Pen Analogy: Using a 0.1mm technical drafting pen instead of a standard marker to etch intricate blueprints onto a single grain of rice in one clean pass.
😎 10-Second Show-off Pro Tip for Friends!
😎 Show-off Tip: Inform fellow investors, 'ASML's High NA EUV tool costs $350M apiece and is the sole gateway to 2nm mass production. Whoever masters its optical depth of field first dominates the AI accelerator era.'
📖 Beginner-Friendly Explanation
STEP 1
Core Concept & Meaning
High NA EUV is the pinnacle of semiconductor manufacturing technology developed exclusively by ASML. By increasing the optical Numerical Aperture (NA) from 0.33 to 0.55, it converges 13.5nm extreme ultraviolet light at sharper angles to print sub-2nm circuit patterns onto silicon wafers.
STEP 2
Why It Matters & Mechanism
- Overcoming Multi-Patterning: Eliminates complex, costly multi-patterning steps required by older EUV machines, slashing cycle time and wafer defects.
- Monopolistic Moat: ASML remains the world's sole manufacturer of EUV systems, pricing each High NA tool at over $350 million.
- Sub-2nm Supremacy: Essential for manufacturing next-generation AI GPUs, high-performance computing (HPC) chips, and advanced mobile processors.
STEP 3
Practical Investment Tips & Pitfalls
Track early adoption milestones by Intel Foundry, TSMC, and Samsung Electronics. While critical for technology leadership, massive CapEx and initial yield ramp-up curves can pressure operating margins in early production phases.
📊 Rayleigh's Resolution Equation
Resolution (CD) = k₁ × (λ ÷ NA)
▶ λ (light wavelength) = 13.5nm EUV
▶ NA (aperture ratio) = 0.33 → increases from 0.55
▶ As NA increases, the denominator increases, allowing finer circuits (small CDs) to be implemented with a single exposure
⚖️ Key Comparison at a Glance
| Category | Conventional Low NA EUV (0.33 NA) | Next-generation High NA EUV (0.55 NA) |
|---|---|---|
| Aperture Ratio (NA) | 0.33 | 0.55 (Significantly expanded optical system) |
| Price per piece of equipment | Approximately 200 to 250 billion won | Over KRW 500 billion ($350M+) |
| Process application limits | Single exposure up to 3 nanometers possible (2 nanometers require double patterning) | Full support for 2-nano to 1-nano process single exposure |
| Optical Lens Structure | General reflective mirror system | Anamorphic asymmetric magnification lens |
📌 Practical Market & Real-World Example
Intel deployed the industry's first commercial High NA EUV scanner (ASML Twinscan EXE:5000) at its Oregon D1X fab to accelerate its Intel 18A sub-2nm node.