Sundar Srinivasan Chetlur

Title: **Sundar Srinivasan Chetlur: Innovator in MOS Transistor Technology**

Introduction

Sundar Srinivasan Chetlur, based in Orlando, FL, is a notable inventor with a remarkable portfolio encompassing 21 patents. His innovative contributions primarily focus on advancements in MOS transistor technology, which have significant implications in the field of electronics and semiconductor manufacturing.

Latest Patents

Among his latest patents, Chetlur's groundbreaking work includes a "Reduced Feature Size MOS Transistor and Method of Manufacture." This patent presents a MOS transistor with a gate length of 1.25 micrometers or less, designed to mitigate short channel effects without incorporating a lightly doped drain (LDD) structure. The invention features a gate oxide that achieves a planar and substantially stress-free interface with the substrate, thereby reducing the incidence of hot carriers and the associated detrimental effects. By streamlining the design and eliminating the LDD structure, Chetlur's approach minimizes fabrication complexity and lowers series source-drain resistance, ultimately enhancing drive current and switching speed.

Another notable patent focuses on the "Process for Oxide Fabrication Using Oxidation Steps Below and Above a Threshold Temperature." This innovative method involves creating an oxide layer by forming a first oxide portion at a temperature below a specified threshold, followed by a second portion at a higher temperature. The process is particularly adept with oxidizable silicon substrates, where the threshold temperature corresponds to the viscoelastic temperature of silicon dioxide.

Career Highlights

Chetlur has accumulated valuable industry experience through his work at prominent companies such as Agere Systems Inc. and Lucent Technologies Inc. His time at these leading organizations has allowed him to refine his expertise in semiconductor technology and contribute to cutting-edge research and development.

Collaborations

Throughout his career, Chetlur has had the privilege of collaborating with esteemed colleagues in the field. Noteworthy collaborators include Pradip Kumar Roy and Samir Chaudhry, with whom he has shared insights and innovations that have advanced MOS technology.

Conclusion

Sundar Srinivasan Chetlur continues to be a prolific inventor whose advancements in MOS transistor technology are paving the way for more efficient and effective electronic devices. His commitment to innovation and collaboration has established him as a prominent figure in the semiconductor industry, with a legacy that will undoubtedly influence future generations.