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David Hahn Email & Phone Number
Doctoral Student
at
University of California, Berkeley
1 work email found
@berkeley.edu
2 phones found area 404
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✓ Verified August 2026
4 data sources
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Current company
Role
Doctoral Student
Location
Los Angeles, California, United States
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David Hahn is listed as Doctoral Student at University of California, Berkeley, a with 23725 employees, based in Los Angeles, California, United States. AeroLeads shows a work email signal at berkeley.edu, phone signal with area code 404, and a matched LinkedIn profile for David Hahn.
David Hahn previously worked as Mechatronics Engineer at Sensetics, Inc. and Doctoral Student at University Of California, Los Angeles. David Hahn holds Doctor Of Philosophy - Phd, Mechanical Engineering from University Of California, Berkeley.
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{first}{last}@berkeley.edu
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About David Hahn
I am currently a PhD student in Mechanical Engineering at UC Berkeley, conducting research in the Rayne Research Group - Additive Manufacturing and Metamaterials Laboratory. My research is on investigating manufacturing processes in large area projection micro stereolithography (LAPuSL) and developing new multi-material printing techniques. Previously, I was a Mechanical Design Engineer at OFS Fitel LLC (also known as Optical Fiber Solutions, Furukawa Information Technologies and Telecommunications), supporting VAD (Vapor Axial Deposition) facility in the upstream manufacture of preforms for optical fibers. I mainly designed (w/ engineering) mechanical hardware/equipment to (1) improve material handling of heavy, hot, and highly pure silica glass products in a cleanroom environment, (2) implement safety features to ensure operator safety, (3) improve existing designs and reverse-engineer old mechanical parts for glass production, and (4) solve many other mechanical manufacturing-process-related problems. I received Master's Degree in Mechanical Engineering at Georgia Institute of Technology, with a focus in Manufacturing. I completed one-semester-long graduate research project on laser assisted micro milling funded by Corning Inc and finished a major graduate thesis research project on polymer assisted mechanical exfoliation of highly oriented pyrolytic graphite sheets; The former project was on producing micro features that are 100 - 150 um wide on a piece of die and the latter project involves reliably thinning the highly oriented pyrolytic graphite (HOPG) with mechanical effects. I have numerous experience with CAD (Solidworks, AutoCAD Inventor), FEA (ANSYS), programming (C++, Matlab, Python, Arduino, G-code for CNC machining), simulation tools (HyperWorks for CNC machining), machining (milling, lathing, etc), nanotechnology (Cleanroom experience, photolithography, etching), and characterization tools (optical/confocal microscope, SEM, hardness tester, etc). Additionally, I am bilingual in English and Korean.
Listed skills include Manufacturing Engineering, Manufacturing Processes, Nanotechnology, Finite Element Analysis, and 11 others.
Current workplace
David Hahn's current company
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University Of California, Berkeley
8 roles
David Hahn work experience
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Mechatronics Engineer
Sensetics, Inc.
Doctoral Student
Mechanical Engineering PhD student in the Rayne Research Group - Additive Manufacturing and Metamaterials Laboratoryhttps://www.raynexzheng.com/
Doctoral Student
PhD student in the Rayne Research Group - Additive Manufacturing and Metamaterials Laboratoryhttps://www.raynexzheng.com/
Sep 2021 - Aug 2022
Mechanical Design Engineer
Mechanical Design Engineer in VAD (Vapor Axial Deposition) facility for the production of preforms and optical fibers. Essential functions include:– Design and modify production equipment in the up-stream manufacturing processes of optical fiber– Integrate mechanical designs into the glass manufacturing process with careful consideration of safety, cost, precision, accurate measurements, material compatibility, machine uptime, and process flexibility– Utilize various… Show more Mechanical Design Engineer in VAD (Vapor Axial Deposition) facility for the production of preforms and optical fibers. Essential functions include:– Design and modify production equipment in the up-stream manufacturing processes of optical fiber– Integrate mechanical designs into the glass manufacturing process with careful consideration of safety, cost, precision, accurate measurements, material compatibility, machine uptime, and process flexibility– Utilize various fabrication methods (CNC machining, wire EDM cutting, welding, anodizing, waterjet cutting, sheet metal working, etc.) to translate design models into physical solutions– Select adequate materials for mechanical designs in highly chlorinated, corrosive environment (e.g. 316 & 304 stainless steels, 6061 & 5052 aluminums, titanium, nickel alloys, fiberglass composites, plastics that include PTFE, PET, PP, HDPE, vinyl, etc.)– Fabricated an exhaust safety system to ventilate HF and HCl gases from glass consolidation furnaces– Designed a glass container with double its original length to increase surface defect wash capacity 2x– Designed a material handling solution to prevent glass chips from damaging the soots (vapor form of glass), which reduced the number of soot damage incidents by 50% and saved $30k/year– Installed a step-up platform structure with a factor of safety 3.0 to glass manufacturing facility to allow production of longer, heavier soots – Retrofitted an articulating arm on a material handling jig using electronics, subject to save $75k/year– Designed an air pneumatic chuck system that allows rotation to scan the glass product Show less
Feb 2017 - Jul 2021
Graduate Research Assistant
2 Research Projects1. Viscoelastic Polymer Assisted Mechanical Exfoliation of Large Area Highly Oriented Pyrolytic Graphite– Executed research in controlling the mechanical exfoliation process of graphite sheets using polydimethylsiloxane (PDMS) stamps– Designed systematic experimental setup for mechanical exfoliation using electrical components and nanotechnology including cleanroom experience, photolithography process, and plasma deposition.– Investigated results using… Show more 2 Research Projects1. Viscoelastic Polymer Assisted Mechanical Exfoliation of Large Area Highly Oriented Pyrolytic Graphite– Executed research in controlling the mechanical exfoliation process of graphite sheets using polydimethylsiloxane (PDMS) stamps– Designed systematic experimental setup for mechanical exfoliation using electrical components and nanotechnology including cleanroom experience, photolithography process, and plasma deposition.– Investigated results using characterization tools like SEM, confocal/ optical microscopy, and profilometer– Produced graphite sheets that are thinner and electrically/thermally more conductive than commercially available graphite sheet2. Laser Assisted Micro Milling Micro-Featured Slots/Grooves on Stainless Steel (Funded by Corning Inc.)– Investigated laser-assisted hybrid micro milling process to create micro scale features on a stainless steel die– Utilized Solidworks and HSMWorks to create a manufacturing model that simulates cutting parameters and tool path, and generate a G-code or script to run the milling process on the machine– Fabricated grooves with sidewalls that are smoother than ones created by EDM process Show less
Aug 2014 - Jan 2017
Undergraduate Research Assistant
– Participated in assessing the stiffness of the Achilles’ tendon using shaker and Laser Doppler Vibrometry (LDV)– Collected LDV data using LabVIEW and used Matlab software to analyze the data– Conducted the tendon assessment experiment on both human and animal Achilles’ tendons
Jan 2014 - May 2014
Engineering Technician Co Op
Jan 2012 - Jul 2013
4 education records
David Hahn education
Doctor Of Philosophy - Phd, Mechanical Engineering
Doctor Of Philosophy - Phd, Mechanical Engineering
Master'S Degree, Mechanical Engineering
Bachelor'S Degree, Mechanical Engineering, Highest Honor
FAQ
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What company does David Hahn work for?
David Hahn works for University of California, Berkeley.
What is David Hahn's role at University of California, Berkeley?
David Hahn is listed as Doctoral Student at University of California, Berkeley.
What is David Hahn's email address?
AeroLeads has found 1 work email signal at @berkeley.edu for David Hahn at University of California, Berkeley.
What is David Hahn's phone number?
AeroLeads has found 2 phone signal(s) with area code 404 for David Hahn at University of California, Berkeley.
Where is David Hahn based?
David Hahn is based in Los Angeles, California, United States while working with University of California, Berkeley.
What companies has David Hahn worked for?
David Hahn has worked for University Of California, Berkeley, Sensetics, Inc., University Of California, Los Angeles, Ofs, and Georgia Institute Of Technology.
How can I contact David Hahn?
You can use AeroLeads to view verified contact signals for David Hahn at University of California, Berkeley, including work email, phone, and LinkedIn data when available.
What schools did David Hahn attend?
David Hahn holds Doctor Of Philosophy - Phd, Mechanical Engineering from University Of California, Berkeley.
What skills is David Hahn known for?
David Hahn is listed with skills including Manufacturing Engineering, Manufacturing Processes, Nanotechnology, Finite Element Analysis, Solidworks, Autocad, Precision Machining, and Nanofabrication.
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