David E Stevenson

Title: Innovations of David E Stevenson

Introduction

David E Stevenson is a notable inventor based in Northfield, MN (US). He holds a total of five patents, showcasing his contributions to the field of technology and innovation. His work primarily focuses on advancements in coating technologies and vacuum apparatuses.

Latest Patents

One of his latest patents is a light attenuating anti-reflection coating that includes a first layer of a transparent material with a low refractive index, a second layer of an absorbing metal, a third layer of a material that may have either a high or low refractive index, and a fourth layer of titanium nitride. Another significant patent is for a load-lock drum-type coating apparatus, which features a vacuum coating apparatus that includes a coating chamber and a load-lock chamber connected via a high vacuum valve. This innovative apparatus is designed to transport substrates efficiently past deposition devices.

Career Highlights

Throughout his career, David has worked with several companies, including Photran Corporation and Viratec Thin Films, Inc. His experience in these organizations has contributed to his expertise in the field of coatings and vacuum technologies.

Collaborations

David has collaborated with notable coworkers such as Geoffrey H Humberstone and Erik J Bjornard, further enhancing his innovative endeavors.

Conclusion

David E Stevenson is a distinguished inventor whose work in coating technologies and vacuum apparatuses has made a significant impact in his field. His patents reflect his commitment to innovation and technological advancement.