James A Gupta

Title: Innovations of James A Gupta

Introduction

James A Gupta is a notable inventor based in Gloucester, CA. He has made significant contributions to the field of semiconductor technology, holding a total of 2 patents. His work focuses on advanced light-emitting devices and gate dielectrics, showcasing his expertise in innovative materials and device structures.

Latest Patents

One of Gupta's latest patents is for interband cascade light emitting devices. This invention comprises a plurality of interband cascade stages, with at least one stage featuring an electron injector made of one or more quantum wells (QWs). The design includes a type-I quantum well active region, barrier layers, and a hole injector, all contributing to enhanced performance. In certain embodiments, a type II heterointerface layer is utilized, and the well layer of the type-I QW active region is under compressive strain, while the barrier layers consist of tensile strain layers.

Another significant patent involves the use of doped or undoped rare-earth silicates as gate dielectrics in semiconductor technology. Specifically, gadolinium silicate is disclosed as a gate dielectric for metal-insulating-semiconductor devices. The fabrication process involves exposing a cleaned semiconductor substrate to a flux of rare-earth atoms, silicon atoms, and oxygen atoms, followed by annealing. This innovation aims to reduce tunneling current through the device by allowing for thicker layers of higher dielectric constant material.

Career Highlights

James A Gupta has worked with prestigious organizations, including the National Research Council of Canada and the University of Oklahoma. His experience in these institutions has allowed him to collaborate with leading experts in the field and contribute to groundbreaking research.

Collaborations

Gupta has collaborated with notable colleagues such as Dolf Landheer and Rui Q Yang. These partnerships have further enriched his work and expanded the impact of his inventions.

Conclusion

James A Gupta's contributions to semiconductor technology through his innovative patents demonstrate his commitment to advancing the field. His work continues to influence the development of new materials and devices, showcasing the importance of innovation in technology.