Company Filing History:
2 out of 962 
1 out of 1,020 
1 out of 806 
Years Active: 2003-2014
Title: Innovations of Inventor Wee Kiong Choi
Introduction
Wee Kiong Choi is a notable inventor based in Singapore, known for his contributions to the field of nanotechnology. He holds a total of 3 patents that showcase his innovative approaches to creating advanced materials and devices.
Latest Patents
One of his latest patents is a method of forming a nanostructure. This method involves creating a discrete nanostructured element at predetermined locations on a substrate. The process includes forming a mask member over the substrate, creating windows in the mask to expose portions of the substrate, and removing parts of the substrate to form recesses. A layer of nanostructure medium is then formed over the recesses, followed by annealing to create the nanostructured element, which has dimensions of less than 100 nm in at least two orthogonal directions.
Another significant patent is a process to manufacture a nonvolatile MOS memory device. This invention addresses the challenges associated with devices that use embedded silicon or germanium nanocrystals. By employing rapid thermal oxidation to grow a high-quality layer of thin tunnel oxide and using chemical vapor deposition for a germanium-doped oxide layer, the invention improves data retention characteristics compared to conventional floating-gate devices.
Career Highlights
Wee Kiong Choi has worked with prominent companies in the semiconductor industry, including Chartered Semiconductor Manufacturing Ltd and Globalfoundries Singapore Pte. Ltd. His experience in these organizations has contributed to his expertise in nanotechnology and semiconductor manufacturing.
Collaborations
Throughout his career, he has collaborated with talented individuals such as Wai Kin Chim and Vivian Ng. These collaborations have likely enriched his work and led to further advancements in his field.
Conclusion
Wee Kiong Choi's innovative patents and career in the semiconductor industry highlight his significant contributions to nanotechnology. His work continues to influence advancements in memory devices and nanostructured materials.