Company Filing History:
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1 out of 832,843 Years Active: 2015-2019
Title: Lijun Song: Innovator in Microstructure Detection and Additive Manufacturing
Introduction
Lijun Song is a prominent inventor based in Ann Arbor, MI (US). He has made significant contributions to the fields of materials science and additive manufacturing. With a total of 4 patents to his name, his work focuses on innovative methods for detecting and controlling microstructures in materials.
Latest Patents
One of Lijun Song's latest patents is titled "In-situ identification and control of microstructures produced by phase transformation of a material." This invention involves a microstructure detector and an in-situ method for real-time determination of the microstructure of a material undergoing alloying or other phase transformations. The method includes detecting light emitted from a plasma plume created during the phase transformation, determining the spectral content of the detected light, and predicting the expected microstructure of the transformed material based on this spectral content. The system allows for closed-loop control of the phase transformation process, enabling the achievement of desired microstructures.
Another notable patent is the "Smart additive manufacturing system (SAMS)." This invention monitors an additive manufacturing process in situ using optical emission spectroscopy to analyze composition, phase transformation, or manufacturing defects. The system may involve analyzing contours of the plasma line intensity and pre-processing the plasma spectral line, including signal-to-noise ratio analysis and baseline removal. Improvements in this system also consider plasma parameters such as spectral line intensity and electron density, utilizing high-resolution optical emission spectroscopy in both visible and ultraviolet regions.
Career Highlights
Lijun Song has worked with esteemed organizations such as the University of Michigan and Dm3d Technology, LLC. His experience in these institutions has allowed him to develop and refine his innovative approaches to material science and manufacturing processes.
Collaborations
Lijun has collaborated with notable colleagues, including Jyoti Mazumder and Jyotirmoy Mazumder. Their combined expertise has contributed to advancements in their respective fields.
Conclusion
Lijun Song's innovative work in microstructure detection and additive manufacturing showcases his commitment to advancing technology in materials science. His patents reflect a deep understanding of the complexities involved in phase transformations and manufacturing processes. Through his contributions, he continues to influence the future of these fields.