Thomas R Middleton

Title: **Innovative Contributions of Thomas R. Middleton in Semiconducting Devices**

Introduction

Thomas R. Middleton, an accomplished inventor based in Peabody, MA, has made significant strides in the field of semiconductor technology. With a total of four patents to his name, Middleton's work is particularly noted for its advancements in positive temperature coefficient of resistance (PTCR) devices. His innovative methodologies and applications have garnered attention within the scientific and industrial communities.

Latest Patents

One of Middleton's most notable patents is entitled “Method of Making Semiconducting Ferroelectric PTCR Devices.” This invention details a novel approach to fabricating PTCR devices, which utilize ferroelectric semiconductors with specific Curie points and bulk resistances. The process involves applying a layer of electrically conducting material onto the ferroelectric semiconductor, which is then subjected to heating above the Curie point for a determined time before cooling it to ambient temperature. This careful control of temperature and time is crucial in achieving an ambient layer resistance that surpasses the bulk resistance of the semiconductor. Notably, the semiconductor can take various forms, including oxide ceramics or liquid crystals, like barium titanate, and the conducting layer may comprise metals or polymers, enhancing the versatility of PTCR applications.

Career Highlights

Throughout his career, Thomas R. Middleton has worked with reputable companies, including GTE Control Devices Incorporated and GTE Laboratories Incorporated. His role in these organizations has allowed him to apply his inventive skills within collaborative, high-tech environments.

Collaborations

Among his notable collaborators are esteemed professionals Da Y Wang and Daniel T. Kennedy. Together, they have contributed to the extensive development and refinement of semiconductor technologies and devices, further pushing the boundaries of innovation in this critical field.

Conclusion

Thomas R. Middleton’s contributions to the realm of semiconducting devices through his inventive methods and collaborative efforts demonstrate the importance of innovation in technology. With his patents paving the way for future advancements in PTCR applications, Middleton remains a key figure in the ongoing evolution of semiconductor research and development.