Dora Chang

Experience

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  TSRC Corporation

  Aug 2006 - Oct 2009

  Chemist

  Responsible for Patent, Chemical & Physical analysis, Develop analysis method, Rubber Polymerization, Laboratory management- Patent analysis, response and Maintenance- Execute analysis of Plant production- Develop new analytical method- Operator Training and communication- Laboratory Management (Tool and instrument)- Rubber Polymerization- Good at analytical instrument (AA, GC-MS, GPC, HPLC, IR, DSC, Capillary, MI…etc)

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  3M

  Oct 2010 - Dec 2013

  Quality control Engineer

  Responsible for Quality control in process, Mass productionyield, Supplier management, Complaint handling.- Abnormal Quality handling & related project.- SPC system maintenance- IQC & IPQC&OQA method maintenance and development.- Daily planning and training for operators.- Build up control plan and related Documents- Monthly Quality report and global meeting.- New product / raw material /process evaluation- Supplier management- Internal audit (ISO 9001 & 14000 & OHSAS)- Customer complaint handling.- Green belt project implementation Show less

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  NXP Semiconductors

  Jan 2014 - Jul 2014

  Lead Process Engineer

  - NPI team leader- daily planning, training and management- Build up and maintain related Documents.- Cross-function communication internally or externally- Weekly test run time and machine resource report- Abnormal Quality handling.

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  Air Liquide

  Aug 2015 - Mar 2017

  Sr. Quality Engineer

  - New business quality review- Customer complaints handling(ex:8D report)- Customer quality requirement handling(ex: audit)- Supplier management- Quality monitor and handling of all plants- ISO 9001 internal Audit- Support quality control plan of all plants.- QCC team leader- Build up and maintain related Documents.- Strengthen and follow up all related improvement plan of each function.

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  ASE Global

  Mar 2017 - Aug 2021

  ◆ Act as NPI contact window with Customer◆ Project management of cross-site production line for schedule planning and execution. (Fan out and Flip chip)◆ Co-work with designer, process team to come out floorplan, mask design and NRE.◆ In charge of O/S Failure analysis including DC-R, 3D-Xray, TDR to find failure type and root cause.◆ New product simulation for design and BOM DoE selection.◆ Chip last Fan Out technology roadmap planning.◆ Project experience: Improve RDL stress set crack by revising RDL routing & metal density rule. 2/2 um RDL process development for multi-layer fan-out Develop chip last silicon bridge test vehicle. Show less ◆ ◆ Act as NPI contact window with Customer and other OSAT.◆ Semiconductor embedded substrate product and process risk assessment. ◆ Regular weekly review project progress and all issue with customer (including 8D report, product Spec and DoE plan)◆ Leading the team to solve quality issue, meet special requiremt and cost reduction. (Test Engineer, process Engineer, Design Engineer...)◆ Define process flow and Spec for each product.◆ In charge of reliability and failure analysis to define if bumping or SIP problem.◆ Project experience: Modified a series of design rule and risk assessment for product reliability. Configure 2 dies in one package, pass qualification within 1 year. Develop through via alignment process flow. Design 2 type in one mask to reduce development cost. Develop 6 layers process flow as standard process. Show less

  • Senior Product Engineer

    Nov 2019 - Aug 2021

  • Senior Product Engineer

    Apr 2018 - Nov 2019

  • QA/QC Supervisor

    Mar 2017 - Apr 2018
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  NXP Semiconductors

  Aug 2021 - now

  Senior Product Test Engineer

    Act as project lead for evaluation and qualification activities for any change of product BOM, manufacturing plant and test program/HW to ensure supply continuity and release ECO.  Act as team lead for product variant release for new business, including supply plan, sample bench validation and ECO. Support NTI project for new package development. Develop and debug test SW and HW to support silicon evaluation, characterization, qualification and mass production issues on ATE. Plan and execute engineering activities to drive product cost reduction with target level quality performance. Work with worldwide cross-functional teams to identify root cause and find out solution to solve product issue. Customer quality incident handling (RMA) to identify if valid failure for FA, ex: Bench test. Work with fab to solve product issue or yield improvement. Show less