Mohana Dass

Experience

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  Carsem

  Jun 2009 - Jun 2016

  Tech Specialist

  •Support daily conversion & achieve manufacture setup plan.•Handler conversion following the device package regarding the conversion form (QFP MLP).•Responsible handler troubleshooting to support production achieve daily output.•Handler type – SRM XD, ICOS G10, MICROVISION, MP200.•Feedback line issue to engineer shift leader to complete end of shift report.

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  TF-AMD Penang

  Jun 2016 - Jun 2017

  Equipment Technician 2

  •Reporting line issue directly to Engineering and Supervisor.•Prepared end of shift report & attend daily shift meeting with engineer group.•Mechanical support & tie-up with production engineer during device verification or new device setup.•Perform reworks on spare parts as cylinders, vacuum ejectors, valve and etc. Able to study and redesign failure parts on handlers as well as new design fabrication. Perform vision system debug and correlation base on failure encounter. •Involved in low yield verification and quality issue such as sealing, bend leads, coplanarity, bow out, unit debug and etc.•Involved in companies cycle time. Maintain a good working discipline and team work among maintenance colleagues, engineering, production and others.•Support handler conversion setup to meet manufacture setup plan.•Handler type – Vitrox P&P, Vacuum sealer, Straper, HRPV.•Compliance to housekeeping & safety of production floor.Support equipment 5S in production lineKnowledge In Equipment Show less

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  Carsem

  Jun 2017 - Jun 2023

  •Conduct buyoff procedures for new machines, ensuring they meet quality standards before deployment.•Defined the monthly and quarterly preventive maintenance schedule for various equipment's.• Served as expert in time base troubleshooting while involving in equipment quality issues to ensure swift resolution of customer complaints.•upgrade old machine to better performance. •Lead of Maintenance team at finishing department (majority at turret machine, Pick n Place & gravity handler).•Currently work at test department (majority at turret machine, gravity machine, PnP machine & Eagle tester).•Assign manpower of maintenance to support production line activities.•Attend production machine major breakdown & package conversion.•Maintain & study production machine performance & efficiency.•Do machine improvement plan & kaizen project. •Work with vendor for the machine spare part purchase & part fabrication.•Order & purchase machine spare part from OEM supplier.• EQUIPMENT EXPERTISE – (Test Handler) SRM XD,PB20,D, Tesec 3270-IH & 4170-IH (Tesec map handler), Tesec 3572-Picker & DPE K8 picker. (Finishing Handler) SRM XD, Carrera, ICOS G10, MP200, Sealer machine, Micro-vision 853, UV machine. Show less •Currently work at test department (majority at turret machine, gravity machine, PnP machine & Eagle tester).•Attend production machine major breakdown & package conversion.•Maintain & study production machine performance & efficiency.•Work with engineer for the machine improvement plan & kaizen project. •Work with vendor for the machine spare part purchase & part fabrication.•Order & purchase machine spare part from OEM supplier.• Types of handler handlering – (Test Handler) SRM XD,PB20,D, Tesec 3270-IH & 4170-IH (Tesec map handler), Tesec 3572-Picker & DPE K8 picker. (Finishing Handler) SRM XD, Carrera, ICOS G10, MP200, Sealer machine, Micro-vision 853, UV machine. Show less

  • Equipment Engineer

    Jan 2022 - Jun 2023

  • Assistance Engineer

    Jun 2017 - Jun 2023
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  GlobalFoundries

  Jun 2023 - Sept 2023

  Sr Assoc Eng Process Engineering

  • Hold lot, release lot and check wafer quality.• Use SPC chart and Space chart to monitor the wafer quality. • Use difference type of system to monitor and improve wafer quality.• Manufacturing at Singapore and remote from Malaysia to monitor wafer wip, lot last gate and wafer quality.

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  Western Digital

  Sept 2023 - now

  Equipment Development Technician 5

  • Develop Auto Mate/Demate machines (pick and place) for the SSD manufacturing industry. • Coordinate with vendors to implement upgrades and modifications to existing machines, ensuring they meet performance requirements.• Conduct comprehensive buyoff procedures for newly developed machines, including testing and validation to guarantee functionality and quality.• Regularly collect machine data, analyze performance metrics, and compile reports for management review every weekend, facilitating data-driven decision-making.• Play a pivotal role in addressing major downtime incidents by swiftly diagnosing issues, coordinating with suppliers to procure necessary spare parts, and overseeing the buyoff process to ensure seamless integration and functionality of new components. Show less