Srinivasan Rangarajan

Title: Innovations by Srinivasan Rangarajan: A Pioneer in Semiconductor Technology

Introduction

Srinivasan Rangarajan, based in Fishkill, NY, is an accomplished inventor known for his significant contributions to semiconductor technology. With a strong background in engineering and innovation, he holds two patents that reflect his expertise and creativity in the field.

Latest Patents

One of his notable patents is titled "Dynamic Peak Tracking in X-ray Photoelectron Spectroscopy Measurement Tool." This invention relates to systems and methods for performing X-ray Photoelectron Spectroscopy (XPS) measurements in a semiconductor environment. The innovation involves selecting and tracking a reference element peak during the measurement process. By monitoring the peak shift of this reference element peak in electron volts (eV), it can compensate for shifts caused by surface charge fluctuations, improving the accuracy of the measurements.

Another significant patent by Rangarajan is on "Alignment of Wafers for 3D Integration." This method enhances the alignment of substrates, such as semiconductor wafers, allowing for precise positioning during the manufacturing process. The first substrate is coarsely aligned atop the second substrate, with patterns on each substrate being illuminated and compared to a stored signal. Any detected misalignment prompts adjustments to ensure optimal alignment, crucial for successful 3D integration.

Career Highlights

Srinivasan Rangarajan is affiliated with the International Business Machines Corporation (commonly known as IBM), a leading company renowned for its advancements in technology and engineering. His work in developing innovative solutions in semiconductor technology showcases his dedication and knowledge in the industry.

Collaborations

Throughout his career, Rangarajan has collaborated with talented colleagues, including Dmitriy Shneyder and Michael Jay Shapiro. Their collective expertise and teamwork have contributed to the successful development of cutting-edge technologies and patents.

Conclusion

Srinivasan Rangarajan stands out as an influential inventor in the field of semiconductor technology. With his groundbreaking patents and collaboration with fellow innovators, he continues to pave the way for advancements that can significantly impact the industry. His work serves as an inspiration for future inventors and engineers aiming to push the boundaries of technology.