Azmain Hasib

• Hands-on cleanroom fabrication: Mask design, lithography, Etching • Operated SEM for high-resolution material characterization • Laser-based fabrication of doped silicon emitters and extraction grids • Conducted electron field emission current and vacuum pressure measurements • Applied FMEA, 8D, Six Sigma for data analysis, quality control, and optimization

• Designed 2-layer and 4-layer PCBs using KiCad • Created schematics, selected components, and generated BOMs • Simulated analog/digital circuits in PSpice • Prepared Gerber files and coordinated with manufacturers for production.

• Managed technical communication with international manufacturers • Involved in product sourcing, tender preparation, and project execution • Conducted market analysis and led brand promotion for FPT Industrial (Generators) • Participated in ISO9001 auditing and created detailed technical documentation

Master Thesis | LEOS Lab, OTH Regensburg, Germany Topic: Source Optimization and Recovery of Si & W-based Field Emission Sources • Fabricated and optimized high-precision Si and W tips for electron field emission • Enhanced tip growth using methane-assisted chemical vapor deposition • Performed SEM image analysis for structural validation and characterization • Conducted statistical analysis and reproducibility studies to optimize emission performance

Bachelor Thesis | Ahsanullah University of Science & Technology (AUST), Dhaka. Topic: Power System Integration using Power Electronic Devices • Designed and simulated HVDC transmission using buck-boost converters • Developed intelligent control strategies for grid integration • Focused on reliability, efficiency, and stability of high-voltage systems.