Christopher James Evans, an inventive spirit hailing from Higganum, Connecticut, has made significant contributions to the field of precision measurement through his nine granted patents. His work showcases a commitment to enhancing measurement technologies and methodologies, reflecting the innovative work being done at Zygo Corporation.

Latest Patents

Among his latest patents, Evans has pioneered a method for measuring changes in surfaces of objects. This innovative technique involves attaching mirrors with a reflective surface smaller than the object being tested. By directing light towards these mirrors and a reference surface, interference patterns are generated, enabling the precise measurement of surface deformations.

Another of his noteworthy inventions is a method and apparatus for tilt-corrected lateral shear in a lateral shear plus rotational shear absolute flat test. Utilizing a Fizeau interferometer, Evans has developed a high-resolution calibration system for measuring mechanical tilt during the shearing process. This invention improves accuracy by correcting data for tilt before computing rotationally invariant terms or after integration.

Career Highlights

Evans' career at Zygo Corporation has been distinguished by his focus on innovation in measurement technology. His patents illustrate a blend of theoretical and practical approaches to solving complex problems in surface characterization and optical testing. His contributions have positioned him as a key figure in the field, demonstrating the impact of inventive solutions on technological advancement.

Collaborations

Throughout his career, Evans has collaborated with notable colleagues, including Michael Küchel and Carl A. Zanoni. These partnerships underline the collaborative spirit prevalent in research and development environments, fostering an exchange of ideas that lead to groundbreaking innovations.

Conclusion

Christopher James Evans continues to be a significant force in the field of measurement innovations. His patents and collaborative projects reflect a dedication to pushing the boundaries of technology. As he continues his work at Zygo Corporation, his inventions will likely contribute to advancing precision measurement techniques for years to come.

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