Yufeng Li

Title: **Innovations by Inventor Yufeng Li**

Introduction

Yufeng Li is an innovative inventor based in Eden Prairie, MN. He has made significant contributions to the field of calibration technology, particularly in the context of flying height testers. With a total of three patents to his name, Li is recognized for his inventive solutions that enhance the precision of measurement tools.

Latest Patents

Li's latest patents include groundbreaking inventions that improve the calibration processes for flying height testers. The first patent, titled "Calibration standard for flying height tester having a head mounted on a," introduces a calibration standard designed for uniform calibration. This invention comprises a head assembly in contact with a transparent disc, utilizing a load spring. The transparent disc features multiple grooves on the side facing the head assembly, ensuring precise calibration through its unique construction.

His second patent, "Method for calibrating a flying height tester utilizing a wedge slider," outlines another innovative calibration standard. This standard features a wedge slider in contact with a glass disc, supported by a load bridge, load spring, and cover case. The design includes a first and second rail extending along the length of the wedge slider, forming an optical wedge. By mapping surface irregularities with a profilometer, Li’s invention allows for accurate calculations of the expected flying height, thus ensuring the calibration process is both precise and effective.

Career Highlights

Yufeng Li currently works at Seagate Technology Incorporated, where he applies his expertise in developing advanced technological solutions. His innovative efforts have not only contributed to his company's success but have also positioned him as a notable inventor in his field.

Collaborations

Throughout his career, Li has collaborated closely with industry experts, including his coworkers Peter R. Goglia and Christopher C. Zahn. These partnerships have facilitated the development of pioneering technologies, further enhancing the efficacy of flying height testers.

Conclusion

In summary, Yufeng Li's contributions to calibration technology through his patents signify a notable advancement in the field. His collaborative spirit and innovative mindset have made a lasting impact, and his work at Seagate Technology Incorporated continues to drive progress in the industry. Li’s dedication to improving measurement accuracy sets a high standard for future innovations in technology.