David Ward Brown

Title: The Innovations of David Ward Brown

Introduction

David Ward Brown is a notable inventor based in Lansdale, PA, with a significant contribution to the field of materials science. He holds four patents, showcasing his expertise in the deposition of advanced coatings. His work primarily focuses on diamond-like carbon (DLC) coatings, which have applications in various high-tech industries.

Latest Patents

One of Brown's latest patents is titled "Method and apparatus for deposition of diamond-like carbon and silicon-doped diamond-like carbon coatings from a hall-current ion source." This innovative apparatus utilizes a unique Hall-Current ion source for direct ion beam deposition of DLC coatings. These coatings exhibit hardness values greater than 10 GPa and deposition rates exceeding 10 Å per second. The design features a fluid-cooled anode with a shadowed gap that maintains an electrically active area, ensuring efficient deposition while minimizing non-conductive deposits. This method is particularly beneficial for producing thin, hard, wear-resistant DLC and Si-DLC coatings used in magnetic transducers and data storage applications.

Another significant patent by Brown involves "Diamond-like carbon over-coats for optical recording media devices." This method focuses on manufacturing a DLC-coated optical phase-change recording medium, enhancing wear resistance and longevity. The process involves ion beam deposition of DLC onto a composite optical phase-change media structure, ensuring optimal adhesion and performance for near-field optical head devices.

Career Highlights

Throughout his career, David Ward Brown has worked with several companies, including Diamonex, Incorporated and Morgan Chemical Products, Inc. His experience in these organizations has allowed him to refine his skills and contribute to the development of cutting-edge technologies in the field of coatings.

Collaborations

Brown has collaborated with notable individuals in his field, including Rudolph Hugo Petrmichl and Leonard Joseph Mahoney. These partnerships have further enriched his work and expanded the impact of his innovations.

Conclusion

David Ward Brown's contributions to the field of diamond-like carbon coatings demonstrate his commitment to advancing technology in materials science. His patents reflect a deep understanding of the complexities involved in coating processes, making him a significant figure in the industry.