• Ensuring that the fabricated MEMS devices meet performance specifications, yield targets, and quality standards.• Translating the conceptual designs into detailed engineering drawings and specifications, considering fabrication constraints and process capabilities.• Conducting feasibility studies to evaluate the technical and commercial viability of proposed MEMS designs.• Overseeing the fabrication process in the cleanroom, working with process engineers to ensure the accurate realization of the designed structures.• Identifying the specific requirements of the MEMS device and determining the appropriate fabrication process to achieve the desired functionality.• Conceptualizing and modelling MEMS devices using specialized software tools such as COMSOL to predict their behaviour and performance.• Validating the design through prototyping and testing, making necessary adjustments to optimize performance and functionality.• Collaborating with cross-functional teams, including electrical engineers, mechanical engineers, and material scientists, to ensure that the design aligns with the overall system requirements.

• Employed physical vapour deposition to create magnetostrictive films using FeGa, FeGaB, and FeCo materials.• Optimized nanofabrication processes to control film properties, such as thickness and crystalline structure.• Worked with the Naval Research Laboratory to integrate these films into magnetic sensor prototypes.• Performed comprehensive characterizations, evaluating magnetic and mechanical traits.• Lead AlScN microcantilever development, aiming to reduce internal stress via physical vapor deposition.• Designed and implement fabrication processes for high-quality microcantilever structures.• Explored innovative techniques to enhance microcantilever performance in memory, FeFETs, and acoustic actuators.• Characterized microcantilever devices to assess mechanical and electrical properties.• Collaborated with a diverse team and Naval Research Laboratory experts.• Devise and execute well-structured experiments for film fabrication and microcantilever development.• Resolved technical challenges during fabrication, characterization, and testing.

A PMUT Integrated Microfluidic System for Fluid Density Sensing • Fabricated a Piezoelectric Micro-machined Ultrasonic Transducers (PMUT) integrated with a microfluidic device to sense static and real-time density. • Paper published in Journal of Microelectromechanical Systems.An Optofluidic Dye Concentration Detector Based on Pulsed Photoacoustic Effect • Detected the concentration of methylene blue in a microfluidic channel via pulsed photoacoustic effect. • Paper published in SPIE 2021 Conference.Towards the Development of Backing Layer for Piezoelectric Micromachined Ultrasound Transducers • Fabricated a PMUT to engineer its quality factor by deposition of parylene C on the surface. • Paper published in SPIE 2021 Conference.A PMUT Integrated Microfluidic System for Volumetric Flow Rate Sensing • Sensed volumetric flow rate using PMUT Integrated Microfluidic System. • Paper published in Transducers 2021 Conference.Sensing Viscosity of Biofluids Using a Single Cell PMUT • Fabricated a fluid viscosity sensor by observing a change in the quality factor of a PMUT.Development of Frequency Tunable Fluid Loaded PMUTs •Developed a technique to tune the frequency of PMUT using fluid. •Paper published in IEEE International Ultrasonics Symposium (IUS).

Mono-Dispersed Spraying using Super-hydrophobic sieves•Fabricated a super-hydrophobic sieve using wet etch technique (i.e., growing nano-rods on a surface)•The goal is to achieve mono-dispersed droplets using different pore opening of the superhydrophobic sieve.Droplet dynamics over super-slippery surfaces•Fabricated a super-slippery sieve using etching technique followed by oil coating.•Drop dynamic studies to see the effect on jet length, jet velocity and break time at different Weber number.Droplet impact dynamics of fluids over sieves•Understanding droplet impact dynamics of a Newtonian fluid, Non-Newtonian Fluid and Viscoelastic fluids over Super-hydrophobic, Hydrophobic and hydrophilic sieve with different droplet impact velocity.Automation of single droplet inject printing setup•Developed a versatile printing technique with applications in biology, electronics and lithography.•Designed and manufactured the drop impact setup using 3D printing.•Integrated and automated drop impact setup and optimised single drop ejection parameters for super-hydrophobic sieve sizes.

Improvement of a paint job on LHB railway coaches•An industrial project on improvement of the paint job on Railway Coaches was done in a manner to increase the quality and the net profit of the factory.•INR 160,000 and 7 days were saved per month on the units produced.