Location History:
- N. Olmsted, OH (US) (1976)
- North Ohmsted, OH (US) (2004)
- North Olmsted, OH (US) (1993 - 2008)
Company Filing History:
4 out of 2,454 
3 out of 24 
2 out of 2,546 
Years Active: 1976-2008
Title: An Insight into the Innovations of J Anthony Powell
Introduction
J Anthony Powell, an accomplished inventor based in North Olmsted, OH, has made significant contributions to the field of material science and semiconductor technology. With a record of 12 patents, Powell’s work primarily focuses on the growth of large, low-defect single crystals and the production of nanometer scale step height reference specimens. His innovations have profound implications for high-performance semiconductor applications.
Latest Patents
One of Powell's latest patents is titled "Method for the growth of large low-defect single crystals." This method outlines a novel approach to growing large, defect-free single crystals of tetrahedrally-bonded materials. The process is engineered to facilitate rapid growth in specific directions, enabling the production of large crystals ideal for wide-bandgap semiconductors, including silicon carbide (SiC), gallium nitride (GaN), aluminum nitride (AlN), and diamond. Such advancements lead to improved performance and reliability in high power and high temperature conditions.
Another significant patent is the "Method for the production of nanometer scale step height reference specimens." This invention describes methods for creating ordered nanometer scale steps on single crystal substrates, particularly SiC. Utilizing a combination of growth and etching techniques, these structures enhance step-height calibration for tools like scanning probe microscopes and profilometers. The meticulous design ensures minimal atomic scale roughness, enhancing measurement accuracy.
Career Highlights
Throughout his career, J Anthony Powell has collaborated with reputable organizations, including the United States of America as represented by the Administrator of NASA and the Ohio Aerospace Institute. His work has not only furthered scientific knowledge but has also paved the way for technological advancements in the realm of semiconductors.
Collaborations
Powell has worked alongside notable colleagues, including Philip G. Neudeck and David J. Larkin. These collaborations have played a pivotal role in the development of his groundbreaking research and the successful execution of his innovative projects.
Conclusion
J Anthony Powell's contributions to the field of semiconductor technology through his patents illustrate his deep commitment to innovation. His methods for crystal growth and nanometer scale reference specimens underscore the importance of precision in advancing technology. As materials science evolves, Powell's work will undoubtedly continue to influence the sector, making significant strides toward enhanced semiconductor performance and reliability.