David Alexander Sell

Title: The Innovative Contributions of David Alexander Sell

Introduction

David Alexander Sell is a prominent inventor based in Santa Clara, California. He has made significant contributions to the field of optical devices, holding a total of eight patents. His work focuses on advancing technologies that enhance the performance and efficiency of waveguides.

Latest Patents

One of Sell's latest patents is titled "Total or local thickness variation for optical devices." This patent relates to methods for forming a waveguide, which includes measuring a waveguide substrate with a thickness distribution and depositing an index-matched layer onto its surface. The index-matched layer is designed to optimize the waveguide's performance by ensuring that its slope aligns with the waveguide slope.

Another notable patent is "Gradient encapsulation of waveguide gratings." This invention involves the encapsulation of waveguide outcoupler gratings to control diffraction efficiency and directionality. The patent describes a first grating formed over a substrate, with structures extending away from the substrate. The encapsulant is strategically placed in gaps between these structures, with a fill ratio that decreases along the grating, enhancing the device's functionality.

Career Highlights

David Alexander Sell is currently employed at Applied Materials, Inc., a leading company in the field of materials engineering. His work at Applied Materials has allowed him to push the boundaries of optical technology and contribute to innovative solutions in the industry.

Collaborations

Throughout his career, Sell has collaborated with talented individuals such as Samarth Bhargava and Kevin Messer. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

David Alexander Sell's contributions to the field of optical devices through his patents and collaborations highlight his role as an influential inventor. His work continues to shape advancements in technology, making a lasting impact on the industry.