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Location History:
- Lost Altos, CA (US) (2010)
- Los Altos, CA (US) (2002 - 2024)
Company Filing History:
77 out of 1,787 
36 out of 641 
26 out of 528 
Years Active: 2002-2025
Title: John Fielden: Innovating in Semiconductor Metrology and Inspection
Introduction:
Meet John Fielden, an innovative inventor and engineer based in Los Altos, California, who has made significant contributions to the field of semiconductor metrology and inspection. With a remarkable portfolio of 131 patents, Fielden has brought groundbreaking technologies to the semiconductor fabrication industry. In this article, we delve into his latest patents, career highlights, collaborations, and recognize his valuable contributions.
Latest Patents:
Fielden's recent patents reflect his expertise in developing advanced systems and methods for high radiance x-ray sources and light modulated electron sources. One notable invention is "Semiconductor Metrology and Inspection Based on an X-Ray Source with an Electron Emitter Array." This patent describes a high radiance x-ray source suitable for high-throughput x-ray metrology and inspection in the semiconductor fabrication environment. Fielden's innovation involves utilizing an array of electron emitters to generate high radiance X-ray illumination light, enabling precise measurement and inspection in the semiconductor industry.
Another noteworthy patent is the "Light Modulated Electron Source." This invention employs a photon-beam source to modulate the emission current of an electron beam emitted from a silicon-based field emitter. By controlling the intensity of the photon beam, Fielden's invention enables the precise modulation of the emission current, enhancing the performance of the electron beam source and its applications.
Career Highlights:
Throughout his career, Fielden has worked with prominent companies in the industry. His contributions have benefited companies like KLA-Tencor Corporation and KLA-Tencor Technologies Corporation (commonly known as KLA Corporation). John Fielden's research and patent filings have significantly impacted the semiconductor industry, enhancing its capabilities in manufacturing, metrology, and inspection.
Collaborations:
Fielden has worked closely with accomplished individuals in the industry, including Yung-Ho Alex Chuang and Ady Levy. Collaborations like these have facilitated the exchange of ideas, expertise, and resources, leading to the development of cutting-edge technologies. Fielden's ability to collaborate effectively has played a vital role in the success of various innovative projects.
Conclusion:
John Fielden's impressive portfolio of 131 patents showcases his expertise in developing technologies for semiconductor metrology and inspection. Through his inventions, such as the high radiance x-ray source and light modulated electron source, Fielden has enhanced the precision and efficiency of semiconductor fabrication processes. Fielden's work with esteemed companies and colleagues reflects his dedication to advancing the semiconductor industry. As an accomplished inventor, his contributions continue to have a lasting impact on the field of semiconductor manufacturing, metrology, and inspection.
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