Likun Shen

Title: **Innovations of Likun Shen in High Power Semiconductors**

Introduction

Likun Shen, based in Goleta, CA, is a prominent inventor with an impressive portfolio of 20 patents. His work primarily focuses on innovations in the field of high power semiconductors, particularly pertaining to III-N devices. With a strong educational background and extensive professional experience, Shen has made significant contributions to the advancement of semiconductor technology.

Latest Patents

Shen’s latest patents showcase his innovative approaches to improving the reliability of III-N devices. One notable patent details conditions for the burn-in of high power semiconductors. This invention outlines techniques that include holding the III-N devices at a first temperature less than or equal to 30°C for an initial period while applying specific gate-source and drain-source voltages. Furthermore, the process involves transitioning to a second temperature greater than the first, followed by additional electrical performance screenings of the devices based on various parameters.

Another significant patent from Shen focuses on enhancement mode III-N high electron mobility transistors (HEMTs). This semiconductor device includes a substrate with a nitride channel layer that features channel access regions. The innovative design allows for a two-dimensional electron gas charge in the channel access regions while ensuring the channel remains non-conductive without a switching voltage applied to the gate. This approach enhances the device's performance and reliability.

Career Highlights

Throughout his career, Likun Shen has worked with notable companies such as Transphorm Inc. and the University of California. His tenure at these institutions has enabled him to collaborate on pioneering projects and further establish his reputation in the semiconductor industry.

Collaborations

Shen has worked alongside distinguished colleagues, including Umesh Kumar Mishra and Primit A. Parikh. Their collaborative efforts have contributed to various advancements in semiconductor technology, particularly in the development of high power devices.

Conclusion

Likun Shen remains a key figure in the semiconductor field, recognized for his innovative patents and contributions to improving the reliability and performance of III-N devices. As technologies continue to evolve, Shen's work plays an essential role in shaping the future of high power semiconductors. His ongoing dedication to research and development exemplifies the spirit of innovation that drives progress in this critical industry.