Chang Chen

Title: Chang Chen: Innovator in GaN Device Measurement Technologies

Introduction

Chang Chen is a prominent inventor based in Suzhou, China. He has made significant contributions to the field of semiconductor technology, particularly in the measurement of gallium nitride (GaN) devices. With a total of three patents to his name, Chen's work focuses on enhancing the accuracy and efficiency of device testing.

Latest Patents

One of Chang Chen's latest patents is titled "Apparatus and method for measuring dynamic on-resistance of nitride-based switching device." This invention provides an innovative apparatus designed to measure the dynamic on-resistance of a nitride-based device under test (DUT). The apparatus includes a control terminal connected to a controller that generates a control signal to switch the DUT on and off. It features a first clamping module, a second clamping module, and a driving module that senses state changes in the DUT. This design addresses overshoot issues in measuring the dynamic on-resistance of GaN devices.

Another notable patent is the "System and method for measuring intermittent operating life of GaN-based device." This invention outlines a system operable in various modes, including stressing, cooling, and measuring. It employs a power regulation approach to ensure consistent temperature increases during testing, thereby eliminating the influence of parasitic parameters and inconsistencies in device characteristics. This innovation allows for higher measurement accuracy by directly controlling the junction temperature of the device.

Career Highlights

Chang Chen has worked with several notable companies in the semiconductor industry. He has been associated with Suzhou Intelli Chiplink Electronic, Polytron Technologies Inc., and Innoscience (Suzhou) Semiconductor Co., Ltd. His experience in these organizations has contributed to his expertise in GaN technology and device measurement.

Collaborations

Throughout his career, Chang Chen has collaborated with talented professionals in the field. Some of his notable coworkers include Yajun Cao and Bin Bian. Their collective efforts have further advanced the research and development of semiconductor technologies.

Conclusion

Chang Chen is a distinguished inventor whose work in GaN device measurement technologies has significantly impacted the semiconductor industry. His innovative patents and collaborations reflect his commitment to advancing technology and improving measurement accuracy.