This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignees: Kla Tencor Corporation, Kla-Tencor Technologies Corporation. Active years: 2003-2005.
Company Filing History:
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1 out of 641 
Years Active: 2003-2005
Title: The Innovations of Carl Treadwell: A Pioneer in Defect Detection Systems
Introduction
Carl Treadwell, an inventive mind hailing from Menlo Park, California, has made significant contributions to the field of defect detection technology. With a total of two patents to his name, Treadwell's work embodies creativity and practical applications that advance the understanding and monitoring of surface anomalies.
Latest Patents
One of Treadwell's notable innovations is his patent for a defect detection system. This sophisticated technology collects scattered radiation from a sample surface using a collector, which captures radiation symmetrically about a line normal to the surface. The system preserves information related to the positions of the scattered radiation by directing it to different channels at varying azimuthal angles. This setup allows for the conversion of the collected radiation into distinct signals that represent the scattered radiation at these angles.
The functionality of this defect detection system extends further; it employs filters to enhance the signals obtained. A spatial filter can be utilized to differentiate between micro-scratches and particles by analyzing the signals from narrow and wide collection channels. Furthermore, by examining the intensity of scattering when surfaces are illuminated with S- and P-polarized radiation, Treadwell’s invention can effectively determine the presence and characteristics of anomalies on surfaces. This technique is crucial for evaluating roughness and haze, thereby contributing to a comprehensive database that aids in the analysis of surface characteristics.
Career Highlights
Throughout his career, Treadwell has been associated with esteemed companies such as Kla-Tencor Technologies Corporation and Kla Tencor Corporation. His work at these organizations has focused on integrating innovative technologies into practical applications, enhancing their capabilities in defect detection.
Collaborations
Carl Treadwell has collaborated with talented individuals in his field, including Mehdi Vaez-Iravani and Jeffrey Alan Rzepiela. These partnerships have fostered a collaborative environment that encourages innovative thinking and development in defect detection and related disciplines.
Conclusion
In summary, Carl Treadwell stands as a noteworthy inventor whose advancements in defect detection systems have significant implications for various technologies. His patents reflect a deep understanding of physical principles and practical engineering, marking him as a key player in the realm of innovations that continue to shape the industry. As technology evolves, Treadwell's contributions will undoubtedly play a vital role in the future of defect detection methodologies.