Ramji S Lakshmanan

Title: Innovations of Ramji S Lakshmanan

Introduction

Ramji S Lakshmanan is a notable inventor based in Dublin, Ireland. He has made significant contributions to the field of sensor technology, holding two patents that showcase his innovative approach to enhancing sensor sensitivity and mass-change detection.

Latest Patents

Lakshmanan's latest patents include an asymmetric sensor and a method for detecting and measuring mass change using an electromechanical resonator. The asymmetric sensor features asymmetric electrodes and/or anchoring, which enhances its sensitivity. In one embodiment, part of the electrode is etched or removed, resulting in improved mass-change sensitive resonant modes. Additionally, by asymmetrically anchoring a piezoelectric portion of the sensor, resonant bending modes can be measured electrically without the need for external instrumentation. His second patent focuses on utilizing a change in impedance of an electromechanical resonating sensor to detect and measure mass accumulation. This method involves monitoring the impedance at a fixed frequency, which may be near the sensor's resonance frequency, and can be applied to quartz crystal microbalance sensors or piezoelectric cantilever sensors.

Career Highlights

Lakshmanan is affiliated with Drexel University, where he continues to advance research in sensor technology. His work has implications for various applications, including environmental monitoring and biomedical devices.

Collaborations

Some of his notable coworkers include Rajakkannu Mutharasan and Blake N Johnson, who contribute to the collaborative research environment at Drexel University.

Conclusion

Ramji S Lakshmanan's innovative patents and contributions to sensor technology highlight his role as a leading inventor in the field. His work not only enhances the sensitivity of sensors but also provides new methods for mass-change detection, paving the way for future advancements.