Company Filing History:
Years Active: 2009-2013
Title: Fred Duewer: Innovator in Scanning Evanescent Microwave Microscopy
Introduction
Fred Duewer is a notable inventor based in Albany, CA (US). He has made significant contributions to the field of microscopy, particularly through his innovative work on scanning evanescent microwave microscopes. With a total of 2 patents, Duewer's inventions have advanced the capabilities of imaging and measuring electrical properties of materials.
Latest Patents
Duewer's latest patents include the Analytical Scanning Evanescent Microwave Microscope and Control Stage. This invention utilizes near-field evanescent electromagnetic waves to probe sample properties. The scanning evanescent microwave microscope (SEMM) is capable of high-resolution imaging and quantitative measurements of the electrical properties of samples. It can map dielectric constant, loss tangent, conductivity, electrical impedance, and other electrical parameters of materials. The SEMM provides distance control over a wide range, from microns to nanometers, enabling quantitative non-contact and submicron spatial resolution topographic and electrical impedance profiling of dielectric, nonlinear dielectric, and conductive materials. Additionally, the invention allows for the quantitative estimation of microwave impedance using signals obtained by the scanned evanescent microwave probe and quasistatic approximation modeling. The SEMM can be employed to measure electrical properties of both dielectric and electrically conducting materials.
Career Highlights
Fred Duewer is affiliated with the University of California, where he continues to contribute to research and innovation in the field of microscopy. His work has garnered attention for its potential applications in various scientific and industrial domains.
Collaborations
Duewer has collaborated with notable colleagues, including Xiao-dong Xiang and Chen Gao, further enhancing the impact of his research and inventions.
Conclusion
Fred Duewer's contributions to the field of scanning evanescent microwave microscopy exemplify the spirit of innovation and the pursuit of knowledge. His inventions are paving the way for advancements in material characterization and imaging techniques.
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