David Keng, Phd, Cla Email & Phone Number

Burlington, Ma, Us

Bedford, Ma

Bedford, Ma

In charge of quality of Asian marketDirect customer facing for any QC related issuesTesting and automationProcess improvementProduct failure analysis

Brooklyn, Ny

On going fundamental and applied research... Pushing the world record for unlabeled bio-sensing. (currently at the 0.1 atto-grams, single protein level)12 publications with 1000+ citations, work highlighted in Nature and presented in ACS, IAVI, CLEO, PIERS and many other places.Train and guide 15+ MS and PhD students in inter-disciplinary research (EE / ChemE / Physics)Research, Design, Develop the world's most sensitive bio-sensor, single protein sensitivity (0.1 atto- gram sensitivity in water)Design & Program & Build LabVIEW based instrumentation & filtering algorithm for systematic & (semi)automated & versatile experimental research and data analysisDesign & build DFB photonic laser system with <0.1fm RMS stablity with a relative wide scan range (2nm) using hybrid current and temperature tuningFully automatic laser calibration system with a GPIB & LabVIEW controlled Michelson Interferometer (1pm resolution with 600-1600nm range)Design & build ultra-stable testing rig with active temperature controlled Peltier element (0.01 degree C), vibration isolation optical bench, and custom microscope with CCD cameras Design & build modular and fully disposable PDMS microfulidics system with precision syringe pumps, valves, custom pulsation dampers, filters, and PTFE tubing for ultra sensitive bio-sensing with minimal contamination for single molecule sensitivity research, fully programmable flow rate with touch screen GUIMicro machining with either manual or CNC machines to build custom microfluidic setupsBox instrument (DFB laser driver and temperature controller) prototype: mechanical design, PCB design with OEM NI USB DAQ with <1fm RMS noisePortable water-born pathogen detection biosensor system prototype developed for the Department of Defense

Tewksbury Ma

Lead engineer FTIR optical engine production line (20M/yr), direct report to division managersPortable analytical instrument electrical, mechanical, optical, software, algorithm, and system level R&D, engineering, and productionTechnical trouble shoot and root cause analysis, initiating and complete design changes to fix multiple catastrophic failure modes of FTIR optical engines and GEMINI portable FTIR/Raman instrumentMain production engineer in GEMINI (FTIR / Raman) mil spec portable analytical instrumentsOptical engine yield improvements 5x increase from original NPI stateDesign, build and implement automatic test rigs to test water-proof ability of the productRoot cause analysis on failure mode of the product water-proof ability (yield improvement from 30% to 100%)Root cause analysis and resolution on FTIR spectrum defects caused by production contaminantsMechanical and electrical analysis, retrofit invention and procedure to eliminate catastrophic voice coil movement failure in FTIR enginesUsing electrical noise spectral analysis, invented new algorithm design to eliminate false rejection of FTIR scan, drastically improved instrument chemical identification reliabilityMechanical and design analysis, invented new gluing process to eliminate water leakage point and mechanical interference caused by instrument LED light pipesDesign and write automated custom LabVIEW software to streamline product final test (time reduction from 10 min per unit to 20 sec per unit)Invent, design and write data review software allowing all engineers and technicians to view and analyze product test data with 10x time efficiency and link component and unit level dataBig data analysis on all production units to mine production failure trendsElectrical test rig design with custom PCB and software to perform isolated unit level power consumption analysisFully automated run-in test software reducing analysis time from 15 min per unit down to 30 sec

Billerica, Ma

Self initiated, architectured, and implemented a software platform that allows system engineers and software engineers to communicate hundreds of software deliverables: Reduced the old 3 days process with multiple human errors down to a new 3 minutes process with no errors. A total time saving of >99.9%. Self initiated, architectured, and implemented a streamlined platform for the web user interface using scripting. Allowing non-technical person to edit complex html and css through simple tools.Self initiated, architectured, and implemented automatic tools to configure TCP/IP and USB based data acquisition modules to streamline production configuration. A total time saving of >80% and eliminated human error.Component level analog/digital embedded mix PCB debugging in high profile project with urgent deadlines. Successfully finds the design flaw, proposed, implemented temporary fix, and suggested successful permanent fix.

Fair Lawn, Nj

Automation and instrumentation consulting for ALL industries (semiconductor, energy storage, medical device, telecomm, aerospace defense, food and cosmetics... etc.)Personally lead or involved in large scale projects with major corporations (Bose, Philips, IBM, ASML, HP, ATMI, Petra Solar, Raytheon, Telephonic... etc.)Turnkey electro-mechanical solution provider for automated prototyping, production, and testingProject quoting, time & material management, implementation, documentation, and supportNational Instrument hardware & software (LabVIEW, TestStand) based program solution design, implementation, and trainingCertified LabVIEW Architect (CLA), highest LabVIEW certification possible, <700 issued worldwideCertified Professional Instructor (CPI), right to teach and train National Instrument based software/hardwareForms close bond with customers and provide all necessary support when neededBudget and time management to keep both client and self profitable and satisfiedModular instrumentation selection and system building experience using National Instruments PXI, cDAQ, etc.Various box instrument interfacing, communication protocol setup, and programming (GPIB, SERIAL, I2C, SPI, TCP/IP… etc.)Altium designer PCB design and fab.

Orangeburg, Ny

Formulate specialty skin contact adhesive patches with and without actives with multiple patents grantedNew product developed with 50% improved performance with 20% less material cost and 30% reduced production time, allowing 3 (instead of 2) batches of adhesives to be made with in one mixing room shiftProposed process and material improvement that resolved a multi-million production quality issue with high customer satisfactorySelf-trained physical chemistry on polymer chemistry and block-co-polymer chemistryIntroduced scientific method for formulation development by rheological instruments analysis (Rheometer, Differential Scanning Calorimeter) and parametric formulation to optimize performance and cost while minimizing development time and costOversees the entire product development cycle: concept, marketing requirement gathering, design review meetings, note book keeping, formulation, raw material gathering, cost analysis, performance testing and analysis, prototype production, raw material qualification, bio-compatibility testing, 510k clearance aid, trial production, QC, full production, production issue debugDesign and build micro-controller (PIC, ATMEL) based instruments and testing rigs for product testing and QC (mechanical, electrical, and pneumatics), IQ/OQ/PQ documentation and approvalProduction line improvement and debugging for both new and existing productIntroduced and modified table-top CNC machines for rapid prototype mold development and reduced prototyping time by >80% with superior qualityAutomated weighing station by connecting the lab scale with RS232 and LabVIEW, reduced the testing time by >80% and eliminated lab notebook hand written errorsR&D department article archive server system, allow all non-regulatory R&D documents (patents, publications, book chapters, competitor's flyers... etc.) to be stored in a central server and index-able and searchable via the system, also allow the users to comment on individual entries

Cleveland/Akron, Ohio Area

Technology transfer of WGM bio-sensor, build a research prototype setup, trained NASA technician to operate the setup Setup an entire optical work bench from scratch in working 9 days (laser, laser drivers, fiber optics setup, function generator, detector, PC based DAQ, LabVIEW programming, custom microscope and translation stage... etc.)Train NASA technicians on the basic principle and operation of the prototype setupNegotiate clean room clearance and machine shop clearance to get the basic setup goingDemonstrated detection of CO2 using the prototype setupTrained NASA tech. on fiber etching technique using hydrofluoric acidDocumented the entire setup and the tech. is fully trained

Doctor Of Philosophy (Phd), Biomedical/Medical Engineering

Master'S Degree, Biomedical Engineering

Bachelor'S Degree, Electrical And Electronics Engineering