David W Porter

Title: David W. Porter: Innovator in Electroplating and Semiconductor Technologies

Introduction

David W. Porter is an accomplished inventor based in Sherwood, Oregon, with a remarkable portfolio of 46 patents. His contributions to the fields of electroplating and semiconductor technology have significantly advanced the industry, showcasing his expertise and innovative mindset.

Latest Patents

Among his latest patents, Porter's work includes an electroplating apparatus designed for tailored uniformity profile. This invention features a plating chamber for containing an electrolyte, a substrate holder that rotates during electroplating, an anode, and a unique azimuthally asymmetric auxiliary electrode. This auxiliary electrode, which can take on a C-shaped design, is capable of controlling azimuthal uniformity by selectively donating and diverting ionic current at predetermined positions.

Another notable patent focuses on selective deposition with atomic layer etch reset. This method involves selectively depositing a material on a semiconductor substrate that comprises multiple material types, each with unique nucleation delays. By etching a portion of the deposited material, the nucleation delay differential is reestablished, allowing for further selective deposition.

Career Highlights

David W. Porter's career includes significant roles at leading technology companies. He has contributed his talents at Novellus Systems Incorporated and Lam Research Corporation, where he developed his groundbreaking inventions. His experience in these renowned companies underscores his role as a leader in innovation.

Collaborations

Throughout his career, Porter has had the privilege of collaborating with notable colleagues, including Steven T. Mayer and Robert Rash. These partnerships have contributed to the enhancement of his projects and the advancement of technologies in his areas of expertise.

Conclusion

David W. Porter exemplifies innovation in the fields of electroplating and semiconductor technologies through his extensive patent portfolio and collaborations. His visionary approach continues to push the boundaries of technology and serves as an inspiration for future inventors.