Wilbur Dexter Johnston, Jr

Title: The Innovations of Wilbur Dexter Johnston, Jr.

Introduction

Wilbur Dexter Johnston, Jr. is a notable inventor based in Holmdel, NJ (US). He has made significant contributions to the field of semiconductor technology, holding a total of 4 patents. His work has had a lasting impact on the development of efficient electronic devices.

Latest Patents

One of Johnston's latest patents focuses on the ohmic contact of N-GaAs to electrically conductive substrates. This innovation involves the deposition of thin layers of polycrystalline n-type GaAs on a conducting substrate, such as graphite. The resulting GaAs layers exhibit desirable properties for device applications, including adequate cohesion with the substrate and good electrical contact. Another significant patent describes a method for lapping semiconductor material. This technique addresses the issue of large dark spot (LDS) defects that can occur during processing. By interposing a spacer between the mounting plate and the wafer, Johnston's method alleviates stress and reduces the initiation and propagation of defects.

Career Highlights

Johnston has spent a considerable part of his career at Bell Telephone Laboratories, where he has been able to apply his innovative ideas in a collaborative environment. His work has contributed to advancements in semiconductor technology, enhancing the performance and reliability of electronic devices.

Collaborations

Throughout his career, Johnston has collaborated with notable colleagues, including Joseph Leo Shay and Robert Louis Hartman. These partnerships have fostered a creative atmosphere that has led to significant technological advancements.

Conclusion

Wilbur Dexter Johnston, Jr. is a distinguished inventor whose work in semiconductor technology has resulted in valuable patents and innovations. His contributions continue to influence the field and pave the way for future advancements in electronic devices.