William S Belcher

Title: Innovations of William S. Belcher

Introduction

William S. Belcher is a notable inventor based in Cape Elizabeth, ME (US). He has made significant contributions to the field of non-volatile memory technology. With a total of 3 patents to his name, Belcher's work has had a lasting impact on the industry.

Latest Patents

One of his latest patents is titled "System and method for providing an EPROM with different gate oxide thicknesses." This invention discloses a system for providing an electrically programmable read-only memory (EPROM) where each memory cell comprises an NMOS select transistor with a thick gate oxide and a PMOS breakdown transistor with a thin gate oxide. The design allows for the retention of data in the memory cell for an unlimited period of time, depending on the breakdown status of the PMOS transistor.

Another significant patent is "System and method for providing drain avalanche hot carrier programming for non-volatile memory applications." This invention describes a memory cell that includes a program transistor and a control capacitor, which are coupled to form a floating gate. The design optimizes the coupling ratio to facilitate both the Fowler-Nordheim erase process and drain avalanche hot carrier programming.

Career Highlights

William S. Belcher has worked at National Semiconductor Corporation, where he has been able to apply his innovative ideas in the field of semiconductor technology. His contributions have been instrumental in advancing non-volatile memory applications.

Collaborations

Some of his notable coworkers include Jiankang Bu and David Courtney Parker. Their collaborative efforts have further enhanced the development of innovative technologies in the semiconductor industry.

Conclusion

William S. Belcher's work in the field of non-volatile memory technology showcases his innovative spirit and dedication to advancing the industry. His patents reflect a deep understanding of semiconductor design and functionality.