Francis Sloan Roberts

Title: Innovations of Francis Sloan Roberts

Introduction

Francis Sloan Roberts is a notable inventor based in Redwood City, California. He has made significant contributions to the field of semiconductor technology, holding a total of three patents. His work focuses on advanced methods for etching and depositing materials in semiconductor manufacturing.

Latest Patents

Roberts' latest patents include innovative techniques for carbon-based depositions used for critical dimension control during high aspect ratio feature etches. One of his patents describes a method for fabricating a semiconductor substrate by vertical etching a feature with sidewalls and depth into one or more layers formed on the substrate. This process involves depositing an amorphous carbon liner onto the sidewalls of the feature, iterating the steps until the desired depth is achieved. Each iteration deepens the vertical etch while the amorphous carbon liner resists lateral etching. Another patent outlines a method for etching features in a stack below a carbon-containing mask, utilizing a specific etch gas and generating plasma to selectively etch features with respect to the mask.

Career Highlights

Francis Sloan Roberts is currently employed at Lam Research Corporation, a leading company in semiconductor manufacturing equipment. His expertise in etching and deposition processes has contributed to advancements in the industry.

Collaborations

Roberts has collaborated with notable colleagues, including Eric A. Hudson and Leonid Belau, enhancing the innovative capabilities within his team.

Conclusion

Francis Sloan Roberts is a distinguished inventor whose work in semiconductor technology has led to significant advancements in the field. His patents reflect a commitment to innovation and excellence in manufacturing processes.