Uddalak Bhattacharya

Title: Uddalak Bhattacharya: Innovator in Semiconductor Technology

Introduction

Uddalak Bhattacharya is a prominent inventor based in Beaverton, Oregon, known for his significant contributions to semiconductor technology. With a total of 10 patents to his name, he has made remarkable advancements in the field of integrated circuits and memory cell circuitry.

Latest Patents

One of his latest patents involves metal-oxide-semiconductor field-effect transistors (MOSFET) as antifuse elements. This invention describes techniques for an integrated circuit that includes a MOSFET with a source area, a channel area, a gate electrode, and a drain area. The channel area features a first channel region with a dopant of a first concentration next to the source area, and a second channel region with a higher dopant concentration next to the drain area. The design includes a source electrode in contact with the source area, a gate oxide layer above the channel area, and a gate electrode positioned above the gate oxide layer. This innovative approach allows for a first resistance between the source electrode and the gate electrode, and a second resistance that couples the two after a programming operation is performed.

Another notable patent is for hot carrier injection fuse memory. This memory cell circuitry includes a first transistor with a threshold voltage modulated by hot carrier injection, and a second transistor coupled to the first. The design incorporates a word line and bit lines that facilitate hot carrier injection into the transistors, enabling the generation of a multi-time programmable non-volatile memory and a random number generator for physical unclonable function applications.

Career Highlights

Uddalak Bhattacharya is currently employed at Intel Corporation, where he continues to push the boundaries of semiconductor technology. His work has been instrumental in developing advanced memory solutions that enhance performance and reliability in electronic devices.

Collaborations

Throughout his career, Uddalak has collaborated with notable colleagues, including Vincent E Dorgan and Pramod Kolar. These partnerships have fostered innovation and contributed to the success of various projects within the semiconductor industry.

Conclusion

Uddalak Bhattacharya's contributions to semiconductor technology through his patents and work at Intel Corporation highlight his role as a leading inventor in the field. His innovative approaches to MOSFETs and memory cell circuitry continue to influence advancements in electronic devices.