Roopak Mitra

Process Engineer at Halo Industries, Inc.
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Livermore, California, United States, US

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Experience

    • United States
    • Industrial Machinery Manufacturing
    • 1 - 100 Employee
    • Process Engineer
      • Apr 2023 - Present
    • Semiconductor Manufacturing
    • 700 & Above Employee
    • Process Development Engineer - Planarization
      • Jan 2022 - Mar 2023

      Livermore, California, United States

    • United States
    • Mining
    • 1 - 100 Employee
    • Process Engineer - Wafer Forming
      • Jun 2020 - Jan 2022

      Pine Brook, New Jersey

    • United States
    • Semiconductor Manufacturing
    • 1 - 100 Employee
    • Process Development Engineer - Wafer Grind
      • May 2019 - Mar 2020

      San Luis Obispo, California Area • Senior member of engineering process staff with specialization in SiC grind process development • Primary expertise in SiC grind processing, its relationship to SiC material type, SiC boule slicing (wire-sawn and laser split), and preparation of wafers for post processes after grind (polish, seed crystal, and epi-growth) • Worked with 10+ external process teams and processed 15+ demos to establish manufacturing processes that focused on improving cycling time, throughput, yield and cost… Show more • Senior member of engineering process staff with specialization in SiC grind process development • Primary expertise in SiC grind processing, its relationship to SiC material type, SiC boule slicing (wire-sawn and laser split), and preparation of wafers for post processes after grind (polish, seed crystal, and epi-growth) • Worked with 10+ external process teams and processed 15+ demos to establish manufacturing processes that focused on improving cycling time, throughput, yield and cost reduction • Conducted internal and external research and development that allowed companies to develop new, better consumables to reduce costs and improve desired qualities for wafer grinding • Strong understanding in tooling capabilities, quality testing and documentation of engineering workflows and machine problems to ensure tool success (Jira) • Utilized statistical methods (DoE) and a wide suite of metrology equipment to ensure process plans were vetted and proved Show less

    • Chemical Manufacturing
    • VP of Engineering & Co-Founder
      • May 2013 - May 2019

      San Luis Obispo, California Area • Prototyped new materials and chemical compounds for use in the polymers industry, with a primary focus on alternative flame retardant technologies • Served as primary lead and on-site engineer for R&D collaboration projects with several large multinational chemicals and materials corporations in the US, Germany, France and the Netherlands o Worked with different R&D teams to implement MegaMatter’s chemical solutions and reported findings to senior technical staff during processing… Show more • Prototyped new materials and chemical compounds for use in the polymers industry, with a primary focus on alternative flame retardant technologies • Served as primary lead and on-site engineer for R&D collaboration projects with several large multinational chemicals and materials corporations in the US, Germany, France and the Netherlands o Worked with different R&D teams to implement MegaMatter’s chemical solutions and reported findings to senior technical staff during processing trials o Utilized industrial engineering techniques such as materials requirements and planning (MRP) to ensure that projects were completed on time o First-hand experience with polymer manufacturing equipment such as compounders, extruders, injection molders, and batch reactors • Contracted and brought on senior engineers and scientists with domain specific expertise to advise and assist in polymers integration and scientific development • Improved the rate of chemical development/testing cycles by implementing statistical methods such as Design of Experiments (DOE) and contour plotting analysis using JMP and Minitab • Designed and manufactured testing apparatuses to ASTM/UL/ISO standards with data acquisition systems to provide metrics for flame retardant efficacy and capabilities • Assisted scientific team in chemicals and materials development through either direct utilization or subcontracting of materials and chemicals analysis equipment o Direct experience with 3-D Optical Microscopy, FT-IR, SEM/EDS, TGA, and DSC o Subcontracted and analyzed data from Mass Spectroscopy methods such as MALDI-MS, LC-MS and TGA-MS through university labs located at UCLA, UC Davis, and UCSB MRL • Hands on experience with lab scale chemistry (titrations, substitutions/eliminations, polymer synthesis, etc) Show less

    • Higher Education
    • 700 & Above Employee
    • Researcher
      • Jan 2013 - Jul 2013

      San Luis Obispo, California Area • Studied the reliability and material properties of lead-free solders used in integrated circuit packaging • Prepared samples for microscopic analysis and utilized statistical modeling to look at trends in failure mechanisms at joints • Used SEM and EDS to characterize phases and compounds

    • United States
    • Higher Education
    • 700 & Above Employee
    • Researcher
      • Mar 2012 - Jan 2013

      Greater Los Angeles Area • Assisted in analyzing failure conditions in computer hardware with a focus on circuit boards • Operated electron and optical microscopes along with nano-indentation to analyze through various methods such as polishing, sputtering • Worked in hazardous materials and clean-room environments to prepare and study samples

    • United States
    • Research Services
    • 1 - 100 Employee
    • Researcher
      • May 2010 - Sep 2010

      • Increased the mixing rate of a microfluidic control chip used in virus testing by 10%, increasing its efficiency and allowing for substantial time savings • Created experiments to evaluate microfluidic control devices using labview • Executed basic ordering and inventory of laboratory equipment as well as construction of testing equipment • Created live imaging videos by utilizing video imaging programs for optical microscopes

    • United States
    • Automation Machinery Manufacturing
    • Sales Associate
      • Jun 2008 - Sep 2008

      • Worked as a team to sell GPS tracking devices to commercial trucking agencies • Handled account management, quoting, and developing leads

Education

  • California Polytechnic State University-San Luis Obispo
    Master of Engineering (M.Eng.), Integrated Technology Management
    2013 - 2015
  • University of California, Los Angeles
    Bachelor of Science (B.S.), Materials Engineering
    2007 - 2012
  • La Cañada High School

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