Company Filing History:
Years Active: 1999-2000
Title: Thomas A. Hardt: Innovator in Environmental Scanning Electron Microscopy
Introduction
Thomas A. Hardt is a notable inventor based in Tewksbury, MA (US). He has made significant contributions to the field of environmental scanning electron microscopy, holding a total of 2 patents. His work has advanced the capabilities of electron microscopes, allowing for more precise and high-temperature specimen analysis.
Latest Patents
Among his latest patents is a high-temperature specimen stage and detector for an environmental scanning electron microscope. This innovative design enables the maintenance of a specimen at temperatures up to approximately 1500°C. The specimen chamber is designed to keep the specimen enveloped in gas, ensuring optimal conditions for examination. The heating assembly includes a non-inductively wound heater coil, which is strategically positioned to maintain the specimen at a high temperature while minimizing radiant heat loss. Additionally, the design incorporates a heat shield assembly and a specimen stage moving assembly to enhance image quality and field-of-view.
Another significant patent is the gaseous backscattered electron detector for an environmental scanning electron microscope. This detector is specifically designed to detect backscattered electron signals from the specimen while operating within the gaseous environment of the ESEM specimen chamber. The innovative arrangement allows for the collection of amplified converted backscattered electron signals, providing a low-cost solution for electron detection.
Career Highlights
Throughout his career, Thomas A. Hardt has worked with prominent companies such as FEI Company and Philips Electronics North America Corporation. His experience in these organizations has contributed to his expertise in the field of electron microscopy and innovation.
Collaborations
Some of his notable coworkers include W. Ralph Knowles and Peter Smith. Their collaboration has likely played a role in the development of advanced technologies in electron microscopy.
Conclusion
Thomas A. Hardt's contributions to environmental scanning electron microscopy have significantly advanced the field. His innovative patents and career achievements reflect his dedication to enhancing scientific research and technology.