This inventor holds 1 USPTO granted patent. Top assignee: Applied Materials, Inc.. Active years: 2014.
Company Filing History:
Years Active: 2014
Title: Umesh M Kellkar: Innovator in Surface Cleaning Technologies
Introduction
Umesh M Kellkar is a notable inventor based in Santa Clara, CA (US). He has made significant contributions to the field of surface cleaning technologies, particularly in the semiconductor industry. His innovative approaches have led to advancements that enhance the efficiency and effectiveness of contact structures.
Latest Patents
Umesh M Kellkar holds a patent titled "Methods for contact clean." This patent focuses on methods and apparatus for removing oxide from surfaces that include silicon and germanium. The invention is particularly suitable for eliminating native oxide from a metal silicide layer of a contact structure. The method integrates both the etch stop layer etching process and the native oxide removal process within a single chamber. This integration helps to prevent native oxide growth or other contaminants from redepositing during substrate transfer processes. Additionally, the invention introduces an improved three-step chemical reaction process that efficiently removes native oxide from the metal silicide layer without adversely affecting the geometry of the contact structure or the critical dimensions of the trenches or vias formed.
Career Highlights
Umesh M Kellkar is currently employed at Applied Materials, Inc., a leading company in the semiconductor equipment industry. His work at Applied Materials has allowed him to apply his innovative ideas and contribute to the development of advanced technologies in surface cleaning.
Collaborations
Umesh has collaborated with several talented individuals in his field, including Mei Yin Chang and Linh Thanh. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.
Conclusion
Umesh M Kellkar's contributions to surface cleaning technologies have made a significant impact in the semiconductor industry. His innovative patent demonstrates his commitment to advancing the field and improving manufacturing processes. His work continues to inspire future innovations in the industry.