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1 out of 934 Years Active: 2013-2025
Title: Innovations and Contributions of Inventor Zhengying Wei
Introduction
Zhengying Wei is a prominent inventor based in Shanghai, China. He has made significant contributions to the field of semiconductor technology, holding a total of 4 patents. His work focuses on methods that enhance the performance and efficiency of imaging technologies.
Latest Patents
One of his latest patents is a method for automatically detecting wafer backside brightfield image anomalies. This innovative approach involves processing wafer backside brightfield images through histogram equalization to obtain processed images. It includes compiling statistics for a gray histogram of these images, calculating the number of abnormal pixels, and providing a threshold to highlight images with scores below this threshold. This method allows for quick and automatic detection of abnormal wafer backside images.
Another notable patent is related to forming a doped epitaxial layer of contact image sensors. This method involves multiple cycles of epitaxial growth, trench isolation, and ion implantation. The process ensures that the photoresist and hard mask do not need to be excessively thick, improving the lag problem of the prepared contact image sensor. The result is a high-performance contact image sensor suitable for high quantum efficiency, small pixel sizes, and near-infrared/infrared applications.
Career Highlights
Zhengying Wei has worked with several notable companies, including Shanghai Huali Microelectronics Corporation and Semiconductor Manufacturing International Corporation. His experience in these organizations has allowed him to develop and refine his innovative techniques in semiconductor manufacturing.
Collaborations
Throughout his career, Zhengying Wei has collaborated with talented individuals such as ChiKang Liu and Guoxu Zhao. These partnerships have contributed to the advancement of his research and the successful implementation of his patented technologies.
Conclusion
Zhengying Wei's contributions to the field of semiconductor technology are noteworthy. His innovative patents and collaborations reflect his commitment to advancing imaging technologies. His work continues to influence the industry and pave the way for future innovations.