Ian Leslie Freeston

Title: Ian Leslie Freeston: Innovator in Semiconductor Mapping

Introduction

Ian Leslie Freeston is a notable inventor based in Sheffield, GB. He has made significant contributions to the field of semiconductor materials, holding two patents that showcase his innovative approach to technology.

Latest Patents

Freeston's latest patent is a method and apparatus for mapping semiconductor materials. This invention involves constructing tomographic images by placing multiple surface electrodes on a body, causing currents to flow, and measuring the potential between pairs of electrodes. The process includes calculating potentials based on the assumption of a uniform medium, plotting isopotentials to create a uniform image, and modifying the image based on the ratios of measured to calculated potentials. The calculations and plotting are facilitated by a computer, enhancing the accuracy and efficiency of the mapping process.

Career Highlights

Throughout his career, Freeston has worked with esteemed organizations such as the University of Sheffield and Bio-Rad Microscience Limited. His work in these institutions has allowed him to develop and refine his innovative techniques in semiconductor mapping.

Collaborations

Freeston has collaborated with notable individuals in his field, including Brian Hilton Brown and David C. Barber. These partnerships have contributed to the advancement of his research and inventions.

Conclusion

Ian Leslie Freeston's contributions to semiconductor mapping through his patents and collaborations highlight his role as an influential inventor in the field. His innovative methods continue to impact the technology landscape.