Archive · 31 Oct 2025
AI Chip Manufacturing Revolution: Molybdenum Replaces Tungsten, Boosting Performance
Imagine tiny roads inside computer chips that let electricity travel.
For a long time, we used a material called tungsten for these roads.
But tungsten has a special layer that makes it harder for electricity to go through, like a speed bump.
Now, for super-smart computers that use AI, we need roads that let electricity zoom super fast.
So, companies are switching to a new material called molybdenum.
Molybdenum is better because it doesn't need that extra speed bump layer, making electricity flow much faster and smoother.
This change, along with new ways to build these tiny roads very precisely and quickly, is helping make AI computers much more powerful.
It's like upgrading a highway system for super-fast data travel.
The semiconductor industry is undergoing significant changes to meet the demands of advancing AI.
Molybdenum is replacing tungsten as the preferred metal for interconnects in AI chips due to lower electrical resistance.
The shift to molybdenum can reduce manufacturing steps and improve chip performance by over 50% in resistance reduction.
Innovations in etching, such as Lam Research's Lam Cryo™ 3.0, enable precise and rapid creation of deep channels in memory chips.
New atomic layer deposition technologies like ALTUS® Halo allow for the atomic-level deposition of molybdenum at scale, supporting future chip designs.
- Who
- The semiconductor industry, including companies like Lam Research
- What
- Revolutionizing chip manufacturing by adopting molybdenum for interconnects and innovating etching and deposition processes
- When
- Currently undergoing a transformation with compressed timelines due to AI growth
- Where
- Global semiconductor manufacturing
- Why
- To meet the escalating demands of AI and high-performance computing by overcoming traditional manufacturing limits
- Current Interconnect Metal
- Tungsten
- New Interconnect Metal
- Molybdenum
- Benefit of Molybdenum
- Lower electrical resistance, faster signal transmission
- Manufacturing Process Improvement
- Simplified steps, reduced resistivity
- Etching Technology Example
- Lam Research's Lam Cryo™ 3.0
- Atomic Layer Deposition Advancement
- ALTUS® Halo for molybdenum deposition