Company Filing History:
Years Active: 2007-2008
Title: Innovations of Chirayarikathuveedu Premachandran Sankarapillai
Introduction
Chirayarikathuveedu Premachandran Sankarapillai is a notable inventor based in Singapore, SG. He has made significant contributions to the field of integrated circuit technology, holding a total of three patents. His work focuses on advanced methods for wafer-level packaging and stacking of integrated circuits.
Latest Patents
One of his latest patents is titled "Method of forming through-wafer interconnects for vertical wafer level packaging." This invention provides a substrate with target transfer regions, utilizing a sacrificial wafer coated with a polymer layer that has low adhesion to metals. A conductive layer is applied, followed by a photoresist layer that is patterned to create openings. This process allows for the formation of thin film and device structures that contact the substrate at designated regions, ultimately completing the transfer bonding process.
Another significant patent is "Method of stacking thin substrates by transfer bonding." This invention outlines a method for stacking and electrically interconnecting multiple thin integrated circuit wafers. The process begins with the formation of the first integrated circuit layer on a silicon wafer, followed by the preparation of additional layers that are bonded and interconnected. This innovative approach enables the creation of three-dimensional integrated circuits, including MEMS devices, while maintaining cost-effectiveness and simplicity.
Career Highlights
Chirayarikathuveedu Premachandran Sankarapillai is currently employed at the Agency for Science, Technology and Research. His work at this institution has allowed him to explore and develop cutting-edge technologies in the field of integrated circuits.
Collaborations
He has collaborated with notable colleagues, including Ranganathan Nagarajan and Mohanraj Soundarapandian, contributing to various projects and innovations in the field.
Conclusion
Chirayarikathuveedu Premachandran Sankarapillai's contributions to integrated circuit technology through his patents demonstrate his innovative spirit and commitment to advancing the field. His work continues to influence the development of modern electronic devices.