Stephen Ho

Title: The Innovations of Stephen Ho

Introduction

Stephen Ho is an accomplished inventor based in Richmond Hill, Canada. He holds a patent that showcases his expertise in optical devices, particularly in the realm of document authentication. His innovative work has significant implications for security technologies.

Latest Patents

Stephen Ho's notable patent is titled "Diffractive structures within polymer substrates, their manufacture and use." This invention discloses optical devices that serve as security measures for document authentication. The devices consist of at least one two-dimensional array of elongate laser-modified tracks within a document substrate. These tracks possess a distinct optical refractive index compared to the unmodified substrate, allowing them to exhibit excellent diffractive effects. The patent also outlines methods for producing these devices and their applications in document authentication.

Career Highlights

Throughout his career, Stephen has worked with prestigious organizations, including the Bank of Canada and the University of Toronto. His experiences in these institutions have contributed to his development as an inventor and researcher in the field of optical technologies.

Collaborations

Stephen has collaborated with notable individuals such as Charles Douglas MacPherson and Badr Omrane. These partnerships have likely enriched his work and expanded the impact of his inventions.

Conclusion

Stephen Ho's contributions to the field of optical devices and document authentication highlight his innovative spirit and dedication to advancing security technologies. His patent reflects a significant step forward in the use of diffractive structures for practical applications.