Engineering Projects
Microfabrication | MEMS Sensors | Data Analytics | Simulation | Embedded Systems
Micro-Nanofabrication Projects
MEMS (Micro-Electromechanical Systems)
Wheatstone Bridge MEMS Pressure Sensor
Designed and fabricated a MEMS pressure sensor using a piezoresistive Wheatstone bridge configuration. Enabled precise pressure sensing through diaphragm-based strain detection.
C-MEMS: Carbon Microelectromechanical Systems
Fabricated carbon MEMS structures using SU-8 lithography and high-temperature pyrolysis. Developed 2D/3D microstructures for energy storage and sensing applications.
Microsupercapacitor Fabrication Training
Fabricated interdigitated microsupercapacitors using photolithography and rGO deposition. Achieved high capacitance and long-term cycling stability for on-chip energy storage.
Thin Film Process Optimization
Tunable Wrinkling of Gold on PDMS
Engineered controlled wrinkling in Cr/Au thin films on PDMS via thermal mismatch. Enabled tunable surface morphologies for stretchable electronics and sensors.
Plasma-Treated PDMS: Wrinkle-Free Metal Films
Applied O₂ plasma treatment to modify PDMS surface properties before metal deposition. Eliminated cracking and enabled reliable thin film patterning on flexible substrates.
Thin Film Process Development: E-beam vs. Sputtering
Developed thin film deposition processes using e-beam evaporation and DC sputtering. Optimized adhesion, thickness control, and reproducibility across multiple substrates.
Photolithography Projects
Photomask Design & Fabrication
Designed and fabricated photomasks for MEMS, sensors, and microdevices using laser lithography. Enabled multi-project fabrication including IDEs, strain sensors, and microstructures.
Photoresist Adhesion Optimization on Hydrophobic PDMS
Optimized photoresist adhesion on hydrophobic PDMS using DOE-based plasma treatment. Transformed pattern failure into reliable lithography for flexible electronics.
Photolithography Optimization on Ceramic
Developed photolithography processes for high-temperature ceramic substrates. Enabled patterned electrode fabrication for SOFC applications.
Sensor Projects
Paper-Based Supercapacitive Pressure Sensor
Developed a tissue-paper-based supercapacitive pressure sensor for wearable monitoring. Achieved high sensitivity and stable pulse waveform detection.
Wearable Capacitive Pressure Sensor
Built a porous PDMS-MWCNT capacitive sensor with dual-mode sensing capability. Enabled both contact pressure sensing and non-contact proximity detection.
Dual-Mode Pressure Sensor for Cardiovascular Monitoring
Designed a dual-mode pressure sensor combining piezoresistive and capacitive mechanisms. Enabled simultaneous multimodal cardiovascular signal acquisition.
Dual Piezoresistive Sensor with PPG Integration
Integrated piezoresistive sensors with PPG for wearable pulse monitoring systems. Enabled cross-validated physiological signal acquisition.
Piezoresistive Pressure Sensor Testbed
Developed a programmable testbed for pressure sensor characterization. Enabled controlled testing of sensitivity, response time, and durability.
Cold Spray Graphene Flexible Sensor
Developed a cold spray process to deposit graphene on flexible PDMS substrates. Enabled scalable fabrication of wearable sensors (ACS AMI submission).
FEA & Simulation Projects
Design Rules for Micro-Fabricated Piezoresistive Sensors
Performed FEA-based optimization of piezoresistive sensor microstructures. Established design rules for high sensitivity and signal output.
Characterization Projects
SEM Characterization of Functional Materials
Performed SEM analysis of functional materials including PDMS, graphene, and carbon cloth. Revealed microstructure and morphology critical for device performance.
Raman & FTIR Spectroscopy
Used Raman and FTIR spectroscopy for material identification and defect analysis. Characterized bonding and structural properties of fabricated materials.
Software/Programming & Automation
Mechanical Design & Experimental Systems
Designed asymmetric probes and experimental systems for biomechanical characterization. Enabled directional sensitivity in myocardial tissue testing using non-traditional microindentation geometries.
LabVIEW Automation: Instrument Control & Data Acquisition
Developed LabVIEW-based automation for instrument control and data acquisition. Enabled real-time visualization and multimodal sensor testing.
Undergraduate Projects
Glass Climbing Robot
Designed and built a glass-climbing robot using vacuum suction and embedded control. Achieved stable vertical motion on smooth surfaces.
Hammer Mill Corn Grinder
Designed and fabricated a hammer mill corn grinder using local materials. Achieved high crushing efficiency for rural agricultural processing.
Industry Projects
Electric Arc Furnace (EAF) Operations & Reliability Engineering
Led maintenance and process optimization for Electric Arc Furnace operations. Improved reliability through troubleshooting, planning, and retrofit design.
Gas Transmission & Process Plant Operations
Managed operations and maintenance in a high-pressure gas transmission plant. Improved system reliability and ensured stable 24/7 process operation.