Company Filing History:
Years Active: 2025
Title: Panfeng Zhao: Innovator in Microelectronics and Sensor Technology
Introduction
Panfeng Zhao is a distinguished inventor based in Chengdu, China. He has made significant contributions to the fields of microelectronics and sensor technology. With a total of 2 patents, Zhao's work focuses on enhancing the accuracy and efficiency of electronic devices.
Latest Patents
One of Zhao's latest patents is a three-axis Hall angle sensor with an accuracy of 0.3°. This innovative sensor is designed using finite element software and COMSOL Multiphysics. The development process involves three main steps. The first step studies 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 horizontal directions. The final part involves designing the angle sensor, utilizing four vertical Hall elements to measure the magnetic field in the horizontal direction while minimizing errors.
Another notable patent is a system and method for calibrating weighting errors in split capacitance successive approximation analog-to-digital converters. This invention addresses the challenges posed by parasitic capacitance in microelectronics. The method employs an MSB array that simplifies the comparator design without adding extra capacitors. Additionally, it includes a calibration DAC array to enhance the accuracy of the analog-to-digital converter, effectively increasing its performance without significantly increasing the chip area.
Career Highlights
Panfeng Zhao is affiliated with the University of Electronic Science and Technology of China, where he continues to advance research in electronic systems and sensor technologies. His work has garnered attention for its practical applications in various electronic devices.
Collaborations
Zhao collaborates with notable colleagues, including Hua Fan and Jing Luo, contributing to a dynamic research environment that fosters innovation and development in their respective fields.
Conclusion
Panfeng Zhao's contributions to microelectronics and sensor technology exemplify the impact of innovative thinking in advancing electronic systems. His patents reflect a commitment to improving accuracy and efficiency in technology, making him a significant figure in his field.