This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Memc Electronic Materials, Inc.. Active years: 2000-2003.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- St. Peters, MO (US) (2000)
- Worcester, MA (US) (2003)
Company Filing History:
Years Active: 2000-2003
Title: Zhijian Pei: Innovator in Semiconductor Processing
Introduction
Zhijian Pei is a notable inventor based in Worcester, MA (US), recognized for his contributions to semiconductor processing. He holds 2 patents that focus on improving the efficiency and effectiveness of silicon wafer manufacturing.
Latest Patents
One of his latest patents is titled "Method for the detection of processing-induced defects in a silicon wafer." This innovative process involves treating the surface of a silicon wafer with an aqueous etch solution containing hydrofluoric acid and an oxidizing agent. Following this treatment, optical inspection is conducted to identify defects before the wafer undergoes conventional polishing. This method significantly enhances the identification of defective wafers, thereby reducing manufacturing time and costs.
Another significant patent is the "Method of processing semiconductor wafers." This method outlines a comprehensive approach to processing semiconductor wafers, starting with rough grinding to quickly reduce the wafer's thickness. The process includes lapping with a slurry to minimize damage from grinding, followed by chemical etching and polishing to achieve a predetermined final thickness. The introduction of rough grinding streamlines the overall processing time.
Career Highlights
Zhijian Pei is currently employed at Memc Electronic Materials, Inc., where he applies his expertise in semiconductor technology. His work has been instrumental in advancing the methods used in wafer processing, contributing to the efficiency of the semiconductor industry.
Collaborations
He has collaborated with notable colleagues such as Henry Frank Erk and Yun-Biao Xin, further enhancing the innovative environment in which he works.
Conclusion
Zhijian Pei's contributions to semiconductor processing through his patents demonstrate his commitment to innovation in the field. His work not only improves manufacturing processes but also sets a standard for future advancements in semiconductor technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile