Company Filing History:
Years Active: 2019-2025
Title: Innovations of Hua Fan
Introduction
Hua Fan is a prominent inventor based in Chengdu, China. He has made significant contributions to the field of microelectronics and solid-state electronics. With a total of seven patents to his name, Hua Fan continues to push the boundaries of technology through his innovative designs and methodologies.
Latest Patents
One of Hua Fan's latest patents is a three-axis Hall angle sensor with an accuracy of 0.3°. This sensor is primarily designed using finite element software and COMSOL Multiphysics. The design process is divided into three steps. The first step involves studying a cross-shape horizontal Hall element for measuring the magnetic field in the vertical direction. The second section focuses on a three-contact four-Hall vertical element for measuring the magnetic field in the x and y directions. The final part is dedicated to designing the angle sensor, which utilizes four vertical Hall elements to measure the magnetic field in the horizontal direction, effectively eliminating measurement errors.
Another notable patent is a system and method for calibrating weighting errors in split capacitance successive approximation analog-to-digital converters. This innovation addresses the challenges posed by parasitic capacitance in split capacitor-based systems. The method employs an MSB array that simplifies the comparator design without adding extra capacitors. Additionally, an LSB array incorporates a calibration DAC array, which helps generate different capacitance values to minimize chip area consumption and reduce errors.
Career Highlights
Hua Fan is affiliated with the University of Electronic Science and Technology of China, where he contributes to research and development in electronics. His work has garnered attention for its practical applications and innovative approaches to complex problems in the field.
Collaborations
Hua Fan collaborates with several talented individuals, including Quanyuan Feng and Dagang Li. Their combined expertise enhances the quality and impact of their research projects.
Conclusion
Hua Fan's contributions to the field of microelectronics and solid-state electronics are noteworthy. His innovative patents and collaborative efforts continue to advance technology and inspire future developments.