Douglas Alan Longworth

Title: The Innovations of Douglas Alan Longworth

Introduction

Douglas Alan Longworth is a notable inventor based in Brecksville, Ohio. He holds a total of seven patents, showcasing his contributions to the field of materials science and engineering. His work primarily focuses on advancements in evaporation sources and connector technologies.

Latest Patents

One of Longworth's latest patents is for a large volume evaporation source. This invention features a containment vessel designed for evaporating materials used in applying film coatings to substrates. The body of the vessel is fabricated from a refractory material, with embodiments that allow for end portions to connect with other bodies in an end-to-end fashion. Another significant patent is for a durable graphite connector and its manufacturing method. This article comprises a graphite part coated with pyrolytic graphite (pG), which enhances mechanical strength by at least 25% compared to uncoated graphite parts. In connector applications for semiconductor processing assemblies, the pG coated component is overcoated with a protective layer of electrically insulating material, while part of the pG coated graphite remains exposed for electrical connections.

Career Highlights

Throughout his career, Longworth has worked with several prominent companies, including Momentive Performance Materials GmbH and Advanced Ceramics Corporation. His experience in these organizations has contributed to his expertise in developing innovative materials and technologies.

Collaborations

Some of Longworth's notable coworkers include John T. Mariner and Timothy J. Hejl. Their collaborations have likely played a role in advancing the projects they have worked on together.

Conclusion

Douglas Alan Longworth's contributions to innovation through his patents and career achievements highlight his significant impact in the field of materials science. His work continues to influence advancements in technology and engineering.