Xianghua Liu

Title: Innovations of Xianghua Liu in Resistivity Probes

Introduction

Xianghua Liu is a prominent inventor based in Shanghai, China. He has made significant contributions to the field of resistivity probes, particularly in their application for testing integrated circuits. With a total of 5 patents to his name, Liu's work has advanced the technology used in electronic testing.

Latest Patents

Liu's latest patents include innovative designs for resistivity probes. One notable patent describes resistivity probes with curved portions, which can effectively test integrated circuits. In this design, a substrate features multiple vias and metal pins, with each pin extending out of the substrate to establish electrical connections. Another significant patent focuses on the dynamic determination of metal film thickness using sheet resistance and temperature coefficient of resistivity. This method aims to reduce measurement variations caused by resistivity, utilizing a probe head equipped with a temperature sensor for accurate readings.

Career Highlights

Xianghua Liu is currently employed at Kla Tencor Corporation, where he continues to develop cutting-edge technologies in the field of electronic testing. His expertise in resistivity probes has positioned him as a key figure in advancing testing methodologies for integrated circuits.

Collaborations

Liu has collaborated with notable coworkers, including Nanchang Zhu and Jianli Cui, contributing to various projects that enhance the functionality and accuracy of resistivity probes.

Conclusion

Xianghua Liu's innovative work in resistivity probes has significantly impacted the field of electronic testing. His patents reflect a commitment to improving measurement techniques and advancing technology in integrated circuits.