Company Filing History:
Years Active: 2017-2019
Title: Raihan Tarafdar: Innovator in Metal Contact Technologies
Introduction
Raihan Tarafdar is a prominent inventor based in Santa Clara, CA, known for his contributions to the field of semiconductor manufacturing. He has been instrumental in developing innovative methods for forming low resistivity metal contacts and interconnects, which are crucial for enhancing the performance of electronic devices. With a total of 2 patents to his name, Tarafdar continues to push the boundaries of technology in his field.
Latest Patents
Tarafdar's latest patents include groundbreaking methods that address challenges in metal deposition. One of his patents, titled "Systems and methods for forming low resistivity metal contacts and interconnects by reducing and removing metallic oxide," outlines a method for depositing a metal layer on a barrier layer. This method involves arranging a substrate in a processing chamber and supplying specific gases to remove oxidation from the barrier layer before depositing a metal layer, which can include materials such as cobalt, copper, and tungsten.
Another significant patent is the "Method for void-free cobalt gap fill," which provides techniques for depositing void-free cobalt into features with high aspect ratios. This method includes partially filling a feature with cobalt and using a nitrogen-containing plasma to inhibit nucleation on the surfaces near the top of the feature. These innovative approaches are essential for improving the reliability and efficiency of semiconductor devices.
Career Highlights
Raihan Tarafdar is currently employed at Lam Research Corporation, a leading company in the semiconductor equipment industry. His work at Lam Research has allowed him to collaborate with other talented professionals and contribute to the advancement of semiconductor technologies.
Collaborations
Some of his notable coworkers include Chiukin Steven Lai and Jeong-Seok Na, with whom he has worked closely on various projects aimed at enhancing metal deposition techniques.
Conclusion
Raihan Tarafdar's innovative work in the field of semiconductor manufacturing has made a significant impact on the industry. His patents reflect a deep understanding of the challenges faced in metal deposition and offer practical solutions that enhance device performance. As he continues to develop new technologies, Tarafdar remains a key figure in the evolution of semiconductor manufacturing.