Steve Han

Responsible for the mechanical design, development, and stable integration of Display module for Amazon consumer electronic products, E-reader, Tablet, Smart speaker. * Lead on Display module developing for Amazon Smart Display products with Alexa, specialized for integration into device structure for stable performance including light leakage solutions. * Drive development and innovations in NTI projects with managing high confidential tech-knowledge. * Hands on developing (from front-end process to back-end process) new Display architecture for next generation Amazon products with multiple Display module suppliers. * Define technical spec including MCO considering Optical performance, Reliability, and Cost thru clear communication with Display Engineering, system PD, Optics, SQM, Process Engineering, TPM, GCM, Operation teams. * Be the point of contact to Display suppliers for all Display Mechanical design related items including manufacturing processes and quality control from xVT build to MP, and interface to system PD team. * Handle from concept design to MP phase in close collaboration with cross-functional teams. * Develop test equipment including evaluation with core cross functional groups. * Onsite support to FATP and suppliers for quality of manufacturing. * Agile expert.

Working with customer engineering team to analyze structural form factors and perform optimizations for mechanical design including capacitive sensor patterning. Develop with multiple engineering team including Architecture group, F/W group, project management team. * Develop multi touch sensor module satisfying major Display module and Smartphone manufacturers design requirements in any given condition considering interconnection between modules, manufacturing process, testing and cost for consumer, automotive, medical and wearable product. * Define conductive material (ITO, Metal Mesh…) layer sensor patterning using EM solver, considering product form factor (such as stack up, bezel requirement, optical performance, ESD, EMI, report rate, touching features…) and sensor manufacturer manufacturability. * Flexible and foldable sensor integrated display module development with major display manufacturers. Design optimization for Infinity Display, Force detection development, Active-pen development. * Technical Leader for worldwide Mechanical Engineering Team. * Writing Design Guideline document and provide training to worldwide field application engineers.

In charge of developing display unit for tablet PC (GFX-750). * Design Mechanical Housing (chemical-resistant polymer casing with UV-resistant paint) and define interconnection between modules such as PCB outline-location, connector position-height and cabling considering required components height, thermal cooling and EMI performance. * Develop new assembly manufacturing method considering anti vibration and dustproof/water proof (IP66 / IPx9K), sourcing vendor and co-working with contract manufacturer. * Define Mechanical specifications for Display and Touch sensor module. * Manage anti vibration test with test-lab. * Perform prototype sample build using 3D printing.

Lead development of sensor module for customer from concept to manufacturing. * Selecting touch controllers, material vendors, equipment for manufacturing and testing. * Set up and support manufacturing line including Chemical Etching process, Ag ink printing Process, Mechanical module assembly including sheet lamination, ACF bonding process and packaging. * Research new material for transparent conductive layer could replace ITO (Indium Tin Oxide) such as Carbon Nano Tube, Ag Nano Wire considering manufacturing. * Establishing technology roadmap.

Working with several multidisciplinary teams undertaking the successful development & implementation of a state-of-the-art touch sensing technology that is likely to become a standard for human/machine input in mobile devices. * Developing touch sensor modules for major mobile phones(Samsung, LG, BlackBerry, Nokia, etc), note PC (HP, Dell, Sony, etc), MP3 player (Apple, MicroSoft, etc). * Optimizing module design considering mechanical assembly and electronic performance. * Develop Optical Light Guide product with overseas manufacturer, Depressable Touch pad module. * Managing Contract Manufacturer in Asia to set up and support for stable manufacturing process including SMT process, Mechanical module assembly, ACF (Anisotropic Conductive Film) bonding process and packaging.

Perform in a diverse range of mechanical design functions for telecommunications systems based on Bellcore GR-487-CORE (Generic Requirements for Electronic Equipment Cabinets). * Concept design, review specification, Thermal analyses using CFD solver, selection of commercial parts, assembling bills of material and production. * Design mechanical housing for RF Power Amplifier module for telecommunications systems using die casting, Extrusion (for heat-sink), sheet metal, platings, etc. * Successfully developed sub-rack system including power amplifier units & fan tray. * Coordinating with various supporting groups to accomplish program requirements and supported manufacturing and testing of existing products. * Documenting product designs and testing procedures.