Roy Lui

Sr. Engineer, Testing and Fixturing at Cala Health
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Contact Information
us****@****om
(386) 825-5501
Location
South San Francisco, California, United States, US
Languages
  • English -
  • Cantonese -

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Experience

    • United States
    • Medical Equipment Manufacturing
    • 1 - 100 Employee
    • Sr. Engineer, Testing and Fixturing
      • Oct 2020 - Present

      Responsible for design, development, and testing of products. Responsible for design, development, and testing of products.

    • United States
    • Computer Hardware Manufacturing
    • 700 & Above Employee
    • Principle Systems Design Engineer
      • May 2016 - Oct 2020

      • Ensure design meets internal and external requirements, support integration of key design components (electrical, mechanical, firmware), support manufacturing to improve yields, and support QA and reliability test teams in resolving test issues • Participate in leadership roles such as Product Integration team lead • Collaborate with development leads from all engineering functional areas • Prototype bring-up, failure analysis, component validation, and PVT testing • Automated characterization and test development • NAND AC timing analysis and command sequence validation of flash memory • High-speed signal integrity compliance and signal measurement • Hardware design of test vehicles • SAS, PCIe, and SATA protocol Show less

    • United States
    • Semiconductor Manufacturing
    • 700 & Above Employee
    • Senior Hardware Engineer
      • Dec 2011 - May 2016

      • Systems lead • High-speed signal integrity and signal measurement • Component validation and PVT testing • Automated characterization and test development • Hardware design of test vehicles • SAS, PCIe, and SATA • Failure analysis • Systems lead • High-speed signal integrity and signal measurement • Component validation and PVT testing • Automated characterization and test development • Hardware design of test vehicles • SAS, PCIe, and SATA • Failure analysis

    • IP Engineer
      • Apr 2011 - Dec 2011

      • Generate and develop patentable ideas to bolster company intellectual property by studying developing trends in the industry to predict direction of technological growth, working with employees to extract key patent claims for their inventions, and presenting current innovations to keep employees engaged and informed • Help failure analysis team with determining cause of SSD failures by analyzing communication between SSDs and host systems, measuring circuit voltage levels, verifying hardware, and extracting failure event logs • Develop a system to streamline and automate the process of bringing up SSDs from manufacturing state using the FlexStar test system by creating test scripts in Java and FlexStar’s P25 test script language to automatically program, test, and bin all SSD products using a serial number as an input • Develop an in-house SSD production test solution to improve quality of product by designing and implementing tests in C and Python and by determining hardware requirements Show less

    • Teaching Assistant
      • Sep 2010 - Dec 2010

      • TA for “Computer Components and Operations” and “Digital Signal Processing” courses • Run lab sessions, design MATLAB homework exercises, write homework solutions, design demos for lectures using MATLAB, tutor students during office hours • TA for “Computer Components and Operations” and “Digital Signal Processing” courses • Run lab sessions, design MATLAB homework exercises, write homework solutions, design demos for lectures using MATLAB, tutor students during office hours

    • Research Assistant
      • Jan 2010 - May 2010

      • Created a web-based graphical annotation tool using Scalable Vector Graphics (SVG) • Incorporated graphical annotation tool into a web-based text survey involving biomedical images • Conducted experiments on image processing and semi-automatic segmentation • Created a web-based graphical annotation tool using Scalable Vector Graphics (SVG) • Incorporated graphical annotation tool into a web-based text survey involving biomedical images • Conducted experiments on image processing and semi-automatic segmentation

    • IS&GS - Civil Intern
      • Jun 2009 - Aug 2009

      • Worked on the Assured Identity program with Physical Access Integration team in IS&GS – Civil • Mapped product release requirements to test cases for unit testing and developed new test cases for future releases of product • Organized, managed and tracked progress of test cases and test scenarios using HP Quality Center • Worked on the Assured Identity program with Physical Access Integration team in IS&GS – Civil • Mapped product release requirements to test cases for unit testing and developed new test cases for future releases of product • Organized, managed and tracked progress of test cases and test scenarios using HP Quality Center

    • Hardware Intern
      • Jun 2008 - Sep 2008

      • Acquired knowledge about data and traffic flow, protocol, and fair queuing and applied it to simulations of traffic in line card architecture through the use of SystemC programming language • Mapped addresses of registers and fields on FPGAs using RDL (register description language) • Analyzed and resolved power failures on router chassis with Mechanical Development Verification and Test team • Acquired knowledge about data and traffic flow, protocol, and fair queuing and applied it to simulations of traffic in line card architecture through the use of SystemC programming language • Mapped addresses of registers and fields on FPGAs using RDL (register description language) • Analyzed and resolved power failures on router chassis with Mechanical Development Verification and Test team

Education

  • Rensselaer Polytechnic Institute
    MS, Electrical Engineering
    2009 - 2010
  • University of California, Davis
    Bachelor of Science (BS), Electrical Engineering
    2005 - 2009

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