Yelehanka Ramachandramurthy

Title: Yelehanka Ramachandramurthy: Innovator in Integrated Circuit Technology

Introduction

Yelehanka Ramachandramurthy is a notable inventor based in Singapore, recognized for his contributions to integrated circuit technology. He holds two patents that showcase his innovative approaches in semiconductor design and fabrication. His work has significantly impacted the field of electronics, particularly in the development of CMOS technology.

Latest Patents

Ramachandramurthy's latest patents include a method to form a self-aligned CMOS inverter using vertical device integration. This method allows for the creation of closely-spaced, vertical NMOS and PMOS transistor pairs in integrated circuit devices. The process involves using a substrate comprising silicon implanted oxide (SIMOX), where an oxide layer is sandwiched between silicon layers. Ions are selectively implanted to form the necessary components of the NMOS and PMOS transistors, ensuring efficient integration and performance.

Another significant patent is his method to form self-aligned, L-shaped sidewall spacers. This innovative technique involves creating silicon nitride sidewall spacers with a unique device profile. The process includes forming an isolation region over a semiconductor substrate and utilizing a series of layers to achieve the desired spacer shape. This advancement enhances the performance and reliability of integrated circuit devices.

Career Highlights

Yelehanka Ramachandramurthy is currently employed at Chartered Semiconductor Manufacturing Ltd, where he continues to push the boundaries of semiconductor technology. His expertise in integrated circuits has made him a valuable asset to the company and the industry as a whole.

Collaborations

Throughout his career, Ramachandramurthy has collaborated with esteemed colleagues such as Ravi Sundaresan and Yang Pan. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Yelehanka Ramachandramurthy's contributions to integrated circuit technology through his patents and collaborations highlight his role as a leading inventor in the field. His innovative methods continue to influence the development of advanced semiconductor devices.