Keith Richard Evans

Title: Keith Richard Evans: Innovator in GaN Substrate Technology

Introduction

Keith Richard Evans is a notable inventor based in Raleigh, NC (US). He has made significant contributions to the field of optoelectronics and microelectronics through his innovative work on GaN substrates. His expertise and dedication to advancing technology have led to the development of a unique patent that addresses critical challenges in the industry.

Latest Patents

Keith Richard Evans holds a patent for "Non-polar and semi-polar GaN substrates, devices, and methods for making them." This patent describes a method for fabricating non-polar or semi-polar (Al, Ga, In)N substrates by re-growing (Al, Ga, In)N crystal on seed crystals. The process allows for the expansion of the seed crystal in both lateral and vertical directions, resulting in larger sizes of substrates that are essential for various electronic applications. The innovation includes the ability to slice one or more non-polar or semi-polar substrates from the re-grown crystal, with a lateral growth rate that may exceed the vertical growth rate.

Career Highlights

Keith is currently employed at Kyma Technologies, Inc., where he continues to push the boundaries of technology in his field. His work has not only contributed to the advancement of GaN substrate technology but has also positioned him as a key player in the industry.

Collaborations

Throughout his career, Keith has collaborated with talented individuals such as Andrew David Hanser and Edward Preble. These collaborations have fostered an environment of innovation and have led to the successful development of groundbreaking technologies.

Conclusion

Keith Richard Evans is a distinguished inventor whose work on GaN substrates has made a significant impact in the field of optoelectronics and microelectronics. His innovative patent and contributions to Kyma Technologies, Inc. highlight his commitment to advancing technology and improving industry standards.