Lecture on Semiconductor Developments and TSMC
Introduction
- Semiconductors are crucial for modern technology.
- Taiwan Semiconductor Manufacturing Company (TSMC) produces about 90% of the world's most advanced chips.
- TSMC's new technology aims to go beyond 1nm.
Historical Progress
- TSMC started in 1987 with a 3 micrometers (3000nm) chip.
- Current technology is at 1.6nm, showcasing a 99.99% reduction in size.
- New materials and transistor architectures, like CFET, are key to future advancements.
Transistor Technology
Planar Transistors
- Basic structure: source, drain, and gate.
- Effective until the 22nm process; struggled with electron tunneling issues.
FinFET Architecture
- Introduced to enhance gate control by wrapping the gate around the channel.
- Improved performance and efficiency.
- First used by Intel in 2012 at the 22nm process node.
Gate-All-Around (GAA) Architecture
- Involves horizontal nano sheets stacked vertically.
- Provides better electrostatic control and reduces leakage.
- Currently starting mass production in N2 technology for high-performance devices.
TSMC's Technological Advances
New Transistor Designs
- Transitioning from FinFET to GAA architecture.
- Development of CFET (Complementary FET) architecture, stacking PMOS and NMOS transistors vertically.
- Challenges include complex vertical interconnects and thermal management.
Material Innovations
- Focus on 2D materials to overcome silicon limitations.
- TMD materials are under research for atomic thin channel transistors.
Manufacturing and Tools
Lithography and Other Tools
- EUV lithography machines are less critical as new processes evolve.
- Atomic layer deposition and epitaxial growth become essential.
- Key companies: Applied Materials, ASM, and LAM Research for various tool needs.
Backside Power Delivery
- Offloading power distribution to the wafer's bottom.
- Reduces metal layer congestion and decreases costs.
TSMC Stock and Global Strategy
- Recent stock decline due to potential US tariffs.
- TSMC plans to invest $100 billion in US manufacturing facilities.
- Expansion includes fabs, packaging facilities, and R&D labs.
Future of Semiconductors
- AI and high-performance computing drive demand for more computing power.
- Energy efficiency becomes critical as power grid limits are reached.
- Advances needed in materials, transistor architecture, cooling, and more.
Conclusion
- Technology's rapid advancement demands a multifaceted approach.
- Integration of novel materials, transistor designs, cooling, and power management is essential.
Call to Action
- Engage with content on Hostinger Horizons, AI-generated web apps, and semiconductor innovations.
- Support TSMC's ongoing developments via investments and awareness.
These notes summarize the critical aspects discussed in the lecture on semiconductor advancements and TSMC's role in the industry. They provide a concise reference for understanding the technological progress and future directions of semiconductor technology.