Location History:
- Rivonia, ZA (1989)
- Rivonia Transvaal, ZA (1992)
- Transvaal, ZA (1992 - 1993)
- Rivonia, Sandton, Transvaal, ZA (1988 - 1995)
- Rivonia, Transvaal, ZA (1991 - 1995)
- Rivonia, Sandton, ZA (1996)
Company Filing History:
1 out of 4 
1 out of 2 
8 out of 832,843 Years Active: 1988-1996
Title: Rex J Keddy: Innovator in Radiation Sensor Technology
Introduction
Rex J Keddy is a notable inventor based in Rivonia, Transvaal, South Africa. He has made significant contributions to the field of radiation sensor technology, holding a total of 10 patents. His innovative methods and designs have advanced the capabilities of radiation detection.
Latest Patents
Among his latest patents is a method of manufacturing a radiation sensor element. This method involves providing a diamond body composed of crystalline diamond material with a nitrogen impurity concentration of less than 150 ppm. The diamond body is typically synthesized through high temperature/high pressure processes or chemical vapor deposition. The hydrogenation process is employed to incorporate atomic hydrogen into the diamond crystal lattice, which can be achieved through ion implantation or exposure to hydrogen plasma. Additionally, Keddy has developed a diamond radiation detector element that detects and monitors ionizing radiation. This invention includes a diamond radiation sensor element optimized for phosphorescent response, which is exposed to ionizing radiation to monitor its phosphorescent response over a period of at least 20 seconds.
Career Highlights
Rex J Keddy has worked with various organizations, including Debeers Industrial Diamond Division (Proprietary) Limited. His work has focused on enhancing the performance and reliability of radiation sensors, contributing to advancements in safety and monitoring technologies.
Collaborations
Keddy has collaborated with notable individuals in his field, including Tom L Nam and Shawn Araikum. These partnerships have fostered innovation and development in radiation sensor technology.
Conclusion
Rex J Keddy's contributions to the field of radiation sensor technology are significant and impactful. His innovative patents and collaborations have paved the way for advancements in the detection and monitoring of ionizing radiation.