This inventor holds 75 USPTO granted patents and 3 published patent applications and 2 EPO patents, primarily in 3D NAND Technology (CPC class H01L). Top assignees: Sandisk Technologies Inc., Applied Materials, Inc., Sandisk Corporation. Active years: 2009-2020.
Inventors with similar research interests:
Location History:
- Milpitas, CA (US) (2015)
- Santa Clara, CA (US) (2009 - 2017)
- Cupertino, CA (US) (2015 - 2019)
- Los Gatos, CA (US) (2015 - 2020)
Company Filing History:



Years Active: 2009-2020
Areas of Expertise:
Title: The Innovative Contributions of Vinod Robert Purayath
Introduction
Vinod Robert Purayath, based in Santa Clara, CA, is a prolific inventor recognized for his significant contributions to the field of memory technology. With a remarkable portfolio of 75 patents, Purayath has been at the forefront of innovations that enhance nonvolatile memory solutions.
Latest Patents
Among his latest patented innovations are groundbreaking methods and apparatus for fabricating three-dimensional NAND structures. His work on nonvolatile memory cells involves a sophisticated approach that includes depositing alternating layers of silicon oxide and silicon nitride, alongside intricate manipulation of amorphous silicon layers. This process not only maintains the integrity of the memory cell structure but also optimally positions silicon nitride and silicon oxide for enhanced performance.
Another notable patent revolves around 3D flash memory cells designed to minimize cross-cell electrical tunneling. Purayath’s methods for manufacturing these cells utilize a compound floating gate positioned between silicon oxide slabs, significantly reducing the quantum probability of electron tunneling. The inclusion of a high work function nanocrystalline metal within the floating gate is a key advancement, allowing for more precise manufacturing and reliability of memory cells.
Career Highlights
Vinod Robert Purayath has held key positions in esteemed companies such as SanDisk Technologies Inc. and Applied Materials, Inc. His tenure in these organizations has enabled him to develop state-of-the-art memory technologies, contributing to the advancement of data storage solutions in the industry.
Collaborations
Throughout his career, Purayath has collaborated with several prominent figures within the tech industry. Notably, he has worked alongside colleagues such as James K. Kai and George Matamis, exchanging ideas and fostering innovation in the developing landscape of memory technologies.
Conclusion
Vinod Robert Purayath’s focused dedication to innovation in the field of nonvolatile memory is evident through his extensive patent portfolio and collaborative efforts. His continued work promises to enable more efficient and reliable memory solutions, paving the way for advancements in data storage and technology as a whole.