This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignees: Evoqua Water Technologies Pte. Ltd., Globalfoundries Singapore Pte. Ltd., Nanyang Technological University. Active years: 2019-2020.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 303 
1 out of 1,062 
1 out of 685 
Years Active: 2019-2020
Title: Innovations of Lei Shi: A Pioneer in Nanofiltration and Wafer Processing Technologies
Introduction
Lei Shi is an accomplished inventor based in Singapore, known for his significant contributions to the fields of nanofiltration and wafer processing technologies. With a total of two patents to his name, he has made strides in developing innovative solutions that address critical challenges in water treatment and semiconductor manufacturing.
Latest Patents
One of Lei Shi's latest patents is a nanofiltration membrane and method of manufacturing it. This invention features a selective layer made of poly(amide-imide) cross-linked with polyallylamine. The patent also outlines a method for producing this nanofiltration membrane, which is particularly useful in water softening processes that can be conducted at low pressures of less than about 2 bar. Another notable patent is a method and system for detecting coolant leaks in a dry process chamber wafer chuck. This invention includes a device designed to process a wafer, featuring a humidity sensor that measures relative humidity at the outlet of the dry wafer processing chamber. The system is capable of detecting changes in humidity that indicate a coolant leak, thereby triggering a shutdown of the wafer processing to prevent damage.
Career Highlights
Throughout his career, Lei Shi has worked with esteemed organizations such as Nanyang Technological University and Evoqua Water Technologies Pte. Ltd. His work in these institutions has allowed him to refine his expertise and contribute to groundbreaking research and development in his fields of interest.
Collaborations
Lei Shi has collaborated with notable colleagues, including Rong Wang and Laurentia Setiawan, who have contributed to his projects and innovations. Their teamwork has fostered an environment of creativity and advancement in their respective fields.
Conclusion
In summary, Lei Shi's innovative patents and career achievements highlight his role as a key figure in the advancement of nanofiltration and wafer processing technologies. His work continues to influence these industries and pave the way for future innovations.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile