David Johnston

Title: David Johnston: Innovating the Future of Physically Unclonable Functions

Introduction

David Johnston, based in Beaverton, OR, is an accomplished inventor with an impressive portfolio of 27 patents. His work primarily focuses on advancements in physically unclonable function (PUF) technology, essential for enhancing security in integrated circuits.

Latest Patents

Among David's latest innovations is a patent titled "Physically Unclonable Function Circuitry of a Package Substrate and Method of Providing Same." This patent details techniques and mechanisms for incorporating PUF circuitry into a substrate that interfaces with integrated circuit (IC) chips. The design includes an array of electrodes set at a metallization level on an insulator layer, coupled with a cap layer that has a distinct composition or microstructure compared to the metallization, leading to various impedances that can be detected for security purposes.

Another significant patent provides a "Method, System and Apparatus for Error Correction Coding Embedded in Physically Unclonable Function Arrays." This invention outlines a sophisticated method for retrieving data from a PUF circuit array by utilizing storage strategies for datasets, error correction factors, and outputting secure key datasets, thereby bolstering security measures in technological applications.

Career Highlights

David Johnston currently works at Intel Corporation, where he continues to innovate and push the boundaries of secure computing technology. His contributions in the realm of PUF technology are pivotal for developing secure electronic systems and enhancing the overall integrity of integrated circuits used in various applications.

Collaborations

In his journey at Intel Corporation, David has collaborated with notable colleagues, including George W. Cox and Jiangtao Li. This teamwork fosters a creative environment, encouraging the exchange of ideas that drive groundbreaking innovations in their field.

Conclusion

David Johnston stands out as a remarkable inventor in the technology industry, particularly for his work in physically unclonable functions. His patents not only exemplify his innovative spirit but also contribute significantly to the evolving landscape of secure technology. As he continues to collaborate and develop new ideas at Intel Corporation, the impact of his inventions will undoubtedly resonate across various sectors of technology in the years to come.