Company Filing History:
Years Active: 1996-1999
Title: Saeed Pirooz: Innovator in Silicon Wafer Technology
Introduction
Saeed Pirooz is a notable inventor based in St. Louis, MO (US). He has made significant contributions to the field of silicon wafer technology, holding a total of 4 patents. His work focuses on improving processes related to the treatment and purification of silicon wafers, which are essential components in the semiconductor industry.
Latest Patents
Among his latest patents is a gettering agent designed for extracting metals from solutions. This innovative gettering agent features a surface layer of SiO.sub.2 that exceeds 15 angstroms in thickness. Another significant patent is the pre-thermal treatment cleaning process, which outlines a method for heat-treating silicon wafers. This process involves several steps, including treating the wafer surface with an aqueous solution containing hydrofluoric acid to eliminate metals, followed by exposure to ozonated water to develop a hydrophilic oxide layer. The wafers are then heated to a temperature of at least 300 degrees Celsius for a minimum of one second, ensuring that the concentration of various metals on the wafer surface is less than 1.times.10.sup.9 atoms/cm.sup.2 at the start of heating.
Career Highlights
Saeed Pirooz is currently employed at Memc Electronic Materials, Inc., where he continues to advance his research and development efforts in silicon wafer technology. His expertise and innovative approaches have positioned him as a key figure in the industry.
Collaborations
One of his notable coworkers is Larry W Shive, with whom he collaborates on various projects related to silicon wafer processing and technology advancements.
Conclusion
Saeed Pirooz's contributions to silicon wafer technology through his patents and work at Memc Electronic Materials, Inc. highlight his role as an influential inventor in the field. His innovative approaches continue to shape the future of semiconductor manufacturing.