James R Velebir, Jr

Title: Innovations of James R Velebir, Jr.

Introduction

James R Velebir, Jr. is a notable inventor based in Laguna Niguel, CA (US). He has made significant contributions to the field of semiconductor technology, particularly in the development of complementary heterojunction bipolar transistors. His innovative methods have paved the way for advancements in electronic devices.

Latest Patents

James R Velebir, Jr. holds a patent for a method to produce complementary heterojunction bipolar transistors. This patent describes a process for fabricating these transistors on a common substrate. The method involves depositing a PNP profile by molecular beam epitaxy, followed by the application of silicon nitride and subsequent heating in a vacuum. The process includes the use of masks and resist layers to create desired patterns, ultimately leading to the formation of complementary NPN and PNP profiles. This innovative approach allows for the effective fabrication of dual heterojunction bipolar transistor devices with excellent DC and microwave capabilities. He has 1 patent to his name.

Career Highlights

James R Velebir, Jr. has had a distinguished career, working with Trw Limited, where he has contributed to various projects in semiconductor technology. His expertise in the field has made him a valuable asset to his company and the industry as a whole.

Collaborations

Throughout his career, James has collaborated with notable colleagues, including Dwight C Streit and Donald K Umemoto. These partnerships have further enhanced his work and contributed to the success of his innovations.

Conclusion

James R Velebir, Jr. is a prominent inventor whose work in semiconductor technology has led to significant advancements in electronic devices. His innovative methods for fabricating complementary heterojunction bipolar transistors demonstrate his expertise and commitment to the field.