Koh Era

Title: Koh Era: Innovator in cBN Semiconductor Technology

Introduction

Koh Era is a prominent inventor based in Tsukuba, Japan, known for his significant contributions to the field of semiconductor technology. With a total of four patents to his name, Era has focused on developing advanced methods for creating cBN (cubic Boron Nitride) semiconductor devices. His work has implications for various electronic applications, enhancing the performance and efficiency of solid electronic elements.

Latest Patents

Koh Era's latest patents revolve around the method of making cBN semiconductor devices that feature an ohmic electrode. In these innovations, an ohmic electrode is formed on a cBN crystal, allowing the creation of a cBN semiconductor device that can function as a solid electronic element. The devices can be classified as n-type, p-type, or pn junction types. Molybdenum is deposited onto an n-type doped region, while platinum is deposited onto a p-type doped region to create electrodes with ohmic characteristics. The deposition process utilizes a vapor deposition method, followed by heating the attached substance in an inactive gas atmosphere at temperatures ranging from 300°C to 1100°C. These cBN semiconductor devices are versatile and can be utilized in rectifiers, transistors, light-emitting diodes, and integrated electronic elements.

Career Highlights

Throughout his career, Koh Era has worked at esteemed institutions such as the National Institute for Research in Inorganic Materials and the National Institute for Research in Organic Materials. His research has significantly advanced the understanding and application of cBN materials in semiconductor technology.

Collaborations

Koh Era has collaborated with notable colleagues, including Osamu Mishima and Shinobu Yamaoka, contributing to the collective knowledge and innovation in the field of semiconductor research.

Conclusion

Koh Era's work in developing cBN semiconductor devices with ohmic electrodes showcases his innovative spirit and dedication to advancing technology. His contributions are paving the way for future advancements in electronic components and applications.