Latest Update: Joined as a Senior Process Engineer-Photolithography at Skorpios Technologies Inc. at CA

Md Abdul Momin, Ph.D.

I engineer the future of semiconductor and photonic devices.

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Md Abdul Momin, PhD portrait
Md Abdul Momin, PhD Sr Process Engineer, Skorpios Tech

Ph.D. in Engineering Physics with 8+ years of R&D experience in semiconductor devices, thin-film technologies, MEMS/NEMS sensors, and wearable health systems. Now serving as Senior Process Engineer - Photolithography at Skorpios Technologies, Inc., advancing semiconductor and silicon photonics process manufacturing.

Si Gas Sensor
Project Story
Gas Sensor Project
Cantilever
Project Story
Cantilever Project
Solar Cell
Project Story
Solar Cell Project
Smart BP Ring
Project Story
Smart BP Ring Project
Smart Shoe
Project Story
Smart Shoe Project
PECVD Plasma
Polymerized
Thin Film
PECVD Project
Experimental & First
Principle Computation
Cu Thin Films Project

01. About Me

Skorpios Technologies Temecula facility aerial view Skorpios Temecula Fab

I am a Senior Process Engineer - Photolithography at Skorpios Technologies, Inc. in Temecula, California, bringing a Ph.D. in Engineering Physics and 8+ years of hands-on R&D experience across semiconductor process engineering, thin-film device fabrication, MEMS/NEMS sensors, and advanced materials.

At Skorpios, my focus is photolithography process engineering for silicon photonics and semiconductor manufacturing. The role connects directly with my background in cleanroom fabrication, process development, DOE/SPC-driven optimization, and device reliability.

Previously, I worked at the University of Southern Mississippi on ONR-funded organic photovoltaic materials and devices, developed an NIH-funded wearable smart ring for continuous blood pressure monitoring at the University of Pittsburgh, and designed MEMS/NEMS nanomechanical gas sensors at Tohoku University in collaboration with Mitsui Chemical Co., Japan.

Current professional focus and technical foundation:

  • Canon FPA-5500 iZ Stepper
  • Nikon DUV 193 NSR-S308F Stepper
  • TEL Clean Track Coater & Developer
  • KLA Particle Inspection
  • KLA Overlay Metrology
  • Applied Materials CD-SEM
  • Photolithography Process Engineering
  • Silicon Photonics Manufacturing
  • Semiconductor Device Fabrication
  • Cleanroom Process Integration
  • DOE / SPC Process Optimization
  • Failure & Root Cause Analysis
Skorpios Technologies logo
Skorpios silicon photonics laser technology Silicon Photonics Skorpios photonic microstructure image Microstructures
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02. Experience

Senior Process Engineer - Photolithography @ Skorpios Technologies, Inc.

2026 - Present

Silicon Photonics & Semiconductor Process Manufacturing Temecula Fab

  • Drive photolithography process engineering for advanced semiconductor and silicon photonics manufacturing workflows.
  • Apply cleanroom process discipline, DOE/SPC analysis, defect learning, and root cause methods to improve manufacturability and reliability.
  • Build on prior thin-film, MEMS/NEMS, device fabrication, and process optimization experience to support high-quality wafer-level production.

Postdoctoral Associate @ University of Southern Mississippi

2025 - 2026

Engineering Stable Organic Photovoltaic Materials & Devices ONR Funded

  • Fabricate and optimize polymer thin films and multi-layer organic semiconductor solar cells (PM6:Y6, Y5, Y7, L8BO) for both inverted and conventional devices.
  • Conduct GIWAXS, AFM, TEM, UV-Vis, AFM-IR, Flash-DSC, DSC, SEM, J-V measurements to investigate morphology evolution, phase separation, and degradation mechanisms.
  • Correlate device performance degradation with thermal aging and room-temperature storage, identifying physical origin of efficiency loss and reliability limitations.
  • Optimize interfacial layers (ZnO/MoO₃/PDINN/Ag) to reduce burn-in loss and improve charge transport efficiency.
  • Mentor graduate and undergraduate students in thin-film processing and device fabrication workflows.

Postdoctoral Associate @ University of Pittsburgh

2022 – 2024

Wireless Finger Worn Ring for Absolute Blood Pressure NIH Funded

  • Led development of a finger-worn smart ring for continuous, cuffless blood pressure monitoring.
  • Designed mechanical actuation systems using SolidWorks and 3D printing for controlled artery occlusion.
  • Integrated force, PPG, and IMU sensors with embedded electronics and custom firmware.
  • Developed MATLAB and Python pipelines for oscillometric BP estimation and real-time signal processing.
  • Conducted validation studies with human subjects under IRB-approved protocols.

Research Assistant Professor @ Tohoku University, Japan

2020 – 2022

Nanomechanical Si-Polymer Gas Sensor Mitsui Chemical

  • Designed and fabricated MEMS/NEMS nanomechanical gas sensors using photolithography, E-beam lithography, ICP-RIE, CVD, and sputtering in cleanroom.
  • Led Process Development & Optimization utilizing Design of Experiments (DOE) methodologies to establish reliable fabrication parameters.
  • Performed Statistical Process Control (SPC) calculations using MATLAB to track yield metrics and drive continuous process improvements.
  • Evaluated Device Stability & Reliability through rigorous Failure & Root Cause Analysis, identifying and mitigating degradation pathways.
  • Performed multiphysics FEM simulations (structural–thermal–fluid coupling) to optimize sensor geometry.
  • Managed technical relationships with global material suppliers and established SOPs.
  • Collaborated with industry partners to translate prototypes into deployable sensing platforms.

Ph.D. Researcher @ Shizuoka University, Japan

2017 – 2020

Device Physics & Thin-Film Materials

  • Investigated charge transport behavior, thin-film structural evolution, and device-performance anomalies in polymer thin films and nanomechanical sensor systems.
  • Applied experimental characterization and computational analysis (DFT/MD) to understand materials-related failure and degradation mechanisms.
  • Published peer-reviewed work on thin-film materials, sensor structures, and device behavior.
  • Developed expertise in plasma polymerization, DC charge transport, and molecular dynamics simulations.

03. Publications

Peer-reviewed journal articles, submitted manuscripts, and conference presentations

2026
Will be submitted

Understanding Molecular Architecture of Non-Fullerene Acceptors: Impacts on Crystallization Kinetics and Thermal Stability in Organic Solar Cells

Md Abdul Momin, Mona Gulied, Andrew Bates, Guillaume Freychet, Xiaodan Gu

2026
Submitted

A Finger Worn Ring for On-Demand Measurement of Absolute Blood Pressure

Md Abdul Momin, Shipeng Wang, Mahdi Jazini, Mark Freithaler, Shahin Hashemkhani, Graham E. Hoover, Yuyang Li, In Hee Lee, Feng Xiong, Ramakrishna Mukkamala

IEEE Transactions on Biomedical Engineering (April 2026)

2025
Nature Portfolio

Investigation towards nanomechanical sensor array for real-time detection of complex gases

MA Momin, M Toda, Z Wang, M Yamazaki, K Moorthi, Y Kawaguchi, ...

Nature Microsystems & Nanoengineering 11 (1), 53

2025
RSC

A CNT-and ZnO nanorod-incorporated fish gelatin nanocomposite towards developing flexible pressure/strain sensors for human motion monitoring

S Mustakim, MA Momin, MA Kalam, T Mieno, M Ahamad, MJ Rahman

Journal of Materials Chemistry A 13 (20), 14858-14872

2025
Springer

Structural and Optical Properties of Cu-TiC Thin Films: a DFT Study

A Roy, MA Momin, SC Das, A Majumdar

Semiconductors 59 (8), 836-843

2024
Wiley

Self-Powered Wearable Pressure Sensors for Detection and Separation of Signals for Various Human Movements

MA Momin, M Jazini, MJ Rahman, T Mieno

Analysis & Sensing, e202400062

2024
Elsevier

Effect of RF and AC powers on morphological, structural, and optical properties of plasma polymerized EDOT thin films

MJ Sarder, MS Sheikh, MA Momin, AH Bhuiyan, MJ Rahman

Arabian Journal of Chemistry 17 (9), 105916

2022
AIP

Molecular dynamics, transport property, and surface stoichiometry of plasma polymerized cyclohexane thin films

MA Momin, M Nesa, M Uzzaman, A Majumdar, AH Bhuiyan

AIP Advances 12 (9)

2021
AIP

Effect of M (Ni, Cu, Zn) doping on the structural, electronic, optical, and thermal properties of CdI2: DFT based theoretical studies

AHB Md. Abdul Momin, Md. Aminul Islam, Meherun Nesa, Mehnaz Sharmin ...

AIP Advances 11 (5), 55203

2021
Wiley

Influence on structural, electronic and optical properties of Fe doped ZnS quantum dot: A density functional theory based study

MA Momin, MA Islam, A Majumdar

International Journal of Quantum Chemistry, e26786

2020
Elsevier

Structural, optical and electronic properties of CuO and Zn doped CuO: DFT based First-principles calculations

M Nesa, MA Momin, M Sharmin, AH Bhuiyan

Chemical Physics 528, 110536

2020
ACS

Optical and Electronic Structural Properties of Cu3N Thin Films: A First-Principles Study (LDA + U)

AK Mukhopadhyay, MA Momin, A Roy, SC Das, A Majumdar

ACS omega 5 (49), 31918-31924

2020
Elsevier

Foot pressure sensor system made from MWCNT coated cotton fibers to monitor human activities

MA Momin, MJ Rahman, T Mieno

Surface and Coatings Technology 394, 125749

2020
Elsevier

Topological properties and direct current electrical charge transport mechanism of plasma polymerized cyclohexane thin films

MA Momin, AH Bhuiyan

Thin Solid Films 704, 138014

2019
Springer

Effect of Fe Doping on the Structural, Optical and Electronic Properties of BaTiO3: DFT based Calculation

MN MD. Aminul Islam, Md. Abdul Momin

Chinese Journal of Physics 60 (2019), 731-738

2019
Springer

Microstructural, compositional, topological and optical properties of plasma polymerized cyclohexane amorphous thin films

MA Momin, KS Hossain, AH Bhuiyan

Journal of Polymer Research 26 (3), 83

2019
Wiley

Development of compact load cell using multiwall carbon nanotube/cotton composites and its application to human health and activity monitoring

MA Momin, MJ Rahman, T Mieno

Journal of Nanomaterials 2019 (1), 7658437

2022
Conference

Development of Nanomechanical Multisensory Arrays for Detection of Hazardous Volatile Materials and Gases

MA Momin, Z Wang, M Toda, M Yamazaki, K Moorthi, Y Kawaguchi, ...

2022 IEEE 35th International Conference on Micro Electro Mechanical Systems ...

2026
Conference

Understanding Molecular Architecture of Non-Fullerene Acceptors: Impacts on Crystallization Kinetics and Thermal Stability in Organic Solar Cells

ACS National Meeting 2026, Atlanta, GA

2024
Conference

Wireless Finger-Worn Ring for On-Demand Measurement of Absolute Blood Pressure

Postdoctoral Research Symposium, University of Pittsburgh, 2024

2019
Conference

Development of a Compact Wearable Load Cell from MWCNT/Cotton Composite Sheet for Human Activity Monitoring

AEPSE 2019, Jeju Island, South Korea

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04. Technical Expertise

Thin-Film Processing

  • PVD RF/DC Sputtering
  • Thermal Evaporation
  • PECVD / LPCVD / ALD
  • Spin Coating
  • Plasma Polymerization
  • Multi-layer Device Stacks

Micro/Nanofabrication

  • MEMS/NEMS Devices
  • Photolithography
  • E-beam Lithography
  • ICP-RIE / Wet Etching
  • Cleanroom (Class 100)
  • Device Packaging

Characterization

  • GIWAXS / XRD
  • AFM / SEM / TEM
  • Flash-DSC / DSC
  • UV-Vis / FTIR / Raman
  • Profilometry
  • J-V / Electrical Testing

Modeling & Software

  • COMSOL Multiphysics
  • ANSYS FEA
  • DFT / MD Simulations
  • Python / MATLAB
  • SolidWorks CAD
  • Statistical Analysis

Reliability & Analysis

  • Thermal Aging Tests
  • Humidity Stress Testing
  • Failure Analysis
  • Degradation Mechanisms
  • Defect Classification
  • Yield Optimization

Sensor & Wearables

  • PPG / IMU / Force Sensors
  • Signal Processing
  • PCB & Hardware Debug
  • 3D Printing (SLA/FDM)
  • Biocompatibility Testing
  • IRB Clinical Studies

05. Education

Ph.D. in Engineering Physics / Applied Physics

Shizuoka University, Shizuoka, Japan

2017 – 2020

M.Sc. in Physics

Bangladesh University of Engineering and Technology (BUET), Dhaka

2014 – 2016

B.Sc. in Physics

National University, Dhaka, Bangladesh

2008 – 2014

06. Get In Touch

I am now working as a Senior Process Engineer - Photolithography at Skorpios Technologies, Inc. I remain glad to connect about semiconductor process engineering, silicon photonics, thin-film devices, sensors, and research collaborations.

Email

md_abdul_momin@skorpiosinc.com

Phone

+1 (412) 694-4042

LinkedIn

mdabdulmominusm

Google Scholar

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md_abdul_momin@skorpiosinc.com