Ij (Iljong) Lee Email and Phone Number
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When Your Traditional Engineering Does Not Solve Problems in Product Development, I Can Solve Any Problems with New Engineering Approaches such as CREATIVITY, AI, MBSE (Model Based System Engineering), HW & SW Automation, and Mass Production of Customized Device. Traditional engineering solutions often have inherent limitations, and it is innovation that propels the advancement of engineering by expanding the boundaries of what is possible. I continuously acquire and implement new knowledge and technologies to develop products and systems that transcend current limitations.• Own and drive full development (from concept to market) • Inter-disciplinary engineering knowledges • Mass production of individually customized products • Automation: analysis, design & manufacturing • Manufacturing: metal, plastic, elastomer, ceramic, machining, casting, forming, injection moulding, prototyping, 3D printing, semi-conductor processes, surface modifications, adhesive, alignment, & assembly • Sensors and actuators: Optimization, instrumentation, & fixture design. • Artificial Intelligence/Machine Learning: signal processing, data analysis, & feature engineering • Integration of MBSE (Model Based System Engineering) and multi-disciplinary engineering tools. • Understanding of human physiology: Spine, knee, ear, teeth and heart • SolidWorks: PDM, GD&T, ASME Y14.5, API, FEA (static, dynamic, linear, & nonlinear elastomer) • Programming Languages: Matlab, Python, TensorFlow, Visual Basic, C/C++, Grasshopper, Rhino • Opto-mechanical design and injection molded optics
Lws (Lighthouse Worldwide Solutions)
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Sr. Mechanical EngineerLws (Lighthouse Worldwide Solutions) Jul 2024 - PresentFremont, California, UsDevelop a laser system to detect and identify nano-particles in ATG (Advanced Technology Group)
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Distinguished R&D EngineerLight Field Lab, Inc. Feb 2023 - Mar 2024Silicon Valley, Ca, Us• Solved the challenging manufacturing problems of the true seamless 3D holographic display wall. • Owned/developed the automated real-time high precision ( ±5 μm tolerance) micro-display alignment, assembly, and image inspection. Reduced the assembly process from 3 weeks (manual) to 5 days (automatic).- 4 DOF (x, y, z, and yaw) real time alignment and assembly of optical components using image sharpness - The compliant fixture design ensures uniform thickness of optical adhesive. - Synchronized parallel movement of the CNC head and camera with efficient vibration damping control. - Programmed the centralized python code controlling all the devices (CNC, cameras, sensors, actuators, & adhesive dispensers). - Trade-off between strong lock-in of optical components and re-workability of malfunctioning components• Owned/designed the high precision (± 2.5 μm/feet tolerance) fixtures to pattern cut, stack, & assemble large (2 ft x 2 ft) micro-lens array sheets. -
Principal Mechanical EngineerZoll Medical Corporation Feb 2019 - Jan 2023Ma, 01824, Us• Owned/developed the MBSE for TGXP3, the high power cooling engine catheter system for heart surgery by integrating AI/ML, Statistics, & physical models with TensorFlow, MATLAB, & Python. • Owned/developed the Patient Temperature Estimation (Deep Neural Network) model predicting patient heart (left ventricle) temperature from the remote thermistor sensors in catheter. Reduced the failure rate from 10% (the previous linear model) to less than 1% (the AI model). Verified the AI model with animal study and clinical data. • Owned/developed the company’s first Auto-encoder model to detect any failure of the multiple temperature and pressure sensors in real time with 98.6% accuracy. Used synthetic data to train the model due to rare failure data. • Owned/developed the tank system model by using AI, Simulink, and Simscape. • Managed the design verification and biocompatibility of AutoPulse NXT (automated CPR machine) for 510k submission that was approved by FDA. -
Principal R&D EngineerEarlens Corporation Feb 2016 - Jul 2018Menlo Park, Ca, Us• Owned/released the automated customized analysis and design of each device to solve the #1 major failure problem (displacement of TL (Tympanic Lens: miniature size hearing aid sitting on ear drum) was 30% of returns). • Controlled the retention force (40 mN ± 10 mN) of each TL by controlling the compliance of each device structure and Resolved the displacement failure.• Created and verified the microscopic physics model of TL, the backbone of understanding TL. (Trade Secret) • Developed the first apparatus to measure 0.1 - 200 mN retention forces of TL device in each ear. • Reduced the anatomy analyzing time in manufacturing from 30 minutes (manual) to 1 minute (automatic) by using Grasshopper, Python, & Rhino 5 API. -
Principal Systems EngineerProgyny, Inc. Aug 2013 - Feb 2016New York, New York, Us• Owned/released the compact bimodal (dark and bright fields) microscope system for monitoring real time embryo growth in incubators from concept to market. The hybrid illuminator, compact motorized camera mount, & hermetically sealed housing reduced the manufacturing cost and the device volume by 30%. • Owned/developed the micro-incubator with precision temperature control (± 0.01 ℃) with the Peltier thermoelectric module. • Owned/developed the miniature liquid lens unit for auto-focusing (75% size reduction) with Arduino and Python. -
Sr. Mechanical EngineerMyoscience Aug 2012 - Jul 2013Tampa, Florida, Us• Owned/released the smart tips (blunt and varying length needles) without any design iteration because of the precise prediction of the nitrous oxide (phase transition) thermodynamics and micro-fluid dynamics models in 80 – 150 μm fiber-optical capillary tubes self-aligned in the micro-channels from concept to market.• The Iovera device provided non-toxic treatment to sensory nerve pain and motor nerve diseases. -
Principal EngineerSonitus Medical Inc. Oct 2008 - Aug 2012San Mateo, Ca, Us• Owned/released the customized SoundBite ITM (In the Mouse) bone-conduction prosthetic hearing aid for single-deaf patients. • Released the FDA approved premium acoustic quality hearing aid from concept to market.• Owned/developed the field-fit ITM with two-way communication ITM for CIA, FBI, & DoD. -
Co-Founder / Technical DevelopmentOtismed Oct 2005 - Jan 2008• Owned/released the individually customized (fitting to only one patient) Total Knee Replacement precision cutting guide system from concept to market. The technology overtook the standard manual TKR surgery and became the industry standard. (MRI/CT scanning, segmenting, 3D model building with multiple tolerance mapping, pre-operative planning, cutting jig generation, CNC machining, laser etching, labeling, & packaging). FDA approved it. • Automated the manufacturing processes and cut down the production time from 1 week to 10 minutes per cutting guide using SolidWorks API, VisualMill, & Visual Basic.
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Product Development EngineerTissue Banks International Jan 2004 - Oct 2005Baltimore, Maryland, Us• Owned/developed the whole spinal implant product line (ALIF, PLIF, TLIF, and CeSpace) from concept to market. • Released press-fit multi-layer allografts providing the biggest spinal implants in the market. -
Process EngineerApplied Materials Oct 2000 - Feb 2003Santa Clara, Ca, Us• Developed the first in the world silicon nitride ALD (Atomic Layer Deposition) chamber for the superior conforming film than CVD (Chemical Vapor Deposition) from concept to market. -
System EngineerSamsung Information System In America Jul 1998 - Aug 1999• Improved the reliability of super-smooth micro-machine with laser-texturing. Reduced high initial static friction force by 30%.
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ResearcherSurface Mechanics And Tribology Lab Sep 1996 - Jun 1998• Developed the sub-micrometer surface interaction analysis of MEMS device such as micro-cantilever beam.
Ij (Iljong) Lee Skills
Ij (Iljong) Lee Education Details
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University Of California, BerkeleyMechanical Engineering
Frequently Asked Questions about Ij (Iljong) Lee
What company does Ij (Iljong) Lee work for?
Ij (Iljong) Lee works for Lws (Lighthouse Worldwide Solutions)
What is Ij (Iljong) Lee's role at the current company?
Ij (Iljong) Lee's current role is High level customized & optimized design and production with full automation, AI, system engineering, & physics. It is the solution to lead world industry competition..
What is Ij (Iljong) Lee's email address?
Ij (Iljong) Lee's email address is il****@****oll.com
What schools did Ij (Iljong) Lee attend?
Ij (Iljong) Lee attended University Of California, Berkeley.
What skills is Ij (Iljong) Lee known for?
Ij (Iljong) Lee has skills like Medical Devices, Biomedical Engineering, Design For Manufacturing, Iso 13485, Fda, Design Control, Product Development, R&d, Cross Functional Team Leadership, Cad, Manufacturing, Machining.
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