Company Filing History:
Years Active: 2009
Title: Perumal Ratman: Innovator in Photodiode Technology
Introduction
Perumal Ratman is a notable inventor based in Fremont, California. He has made significant contributions to the field of photodiode technology, particularly with his innovative approach to multiple wavelength operation. His work has implications for various applications in electronics and optics.
Latest Patents
Perumal Ratman holds a patent for a "Photodiode for multiple wavelength operation." This invention outlines a method for fabricating a photodiode that is adapted for multiple wavelengths. The process involves providing a substrate with a first semiconductor type surface region, implanting a second semiconductor type shallow surface layer, and forming a multi-layer anti-reflective coating (ARC) on the shallow surface layer. The method includes depositing a thin oxide layer and a second dielectric layer, followed by the formation of an etch stop that is resistant to oxide etch. This innovative approach enhances the functionality of photodiodes in various applications.
Career Highlights
Perumal Ratman is currently employed at Intersil Americas Inc., where he continues to develop cutting-edge technologies. His work at Intersil has allowed him to collaborate with other talented professionals in the field, contributing to advancements in semiconductor technology.
Collaborations
Throughout his career, Perumal has worked alongside notable colleagues such as Dong Zheng and Phillip J Benzel. These collaborations have fostered an environment of innovation and creativity, leading to the development of new technologies and solutions.
Conclusion
Perumal Ratman's contributions to photodiode technology exemplify the spirit of innovation in the semiconductor industry. His patent for a multiple wavelength adapted photodiode showcases his expertise and commitment to advancing technology.