Ellie Chih

Engineering Technician

+886 988 266 862

  Taiwan Province, Taiwan


一月 2017 - 十二月 2021

Engineering Technician  Cirrus Logic, Inc

Tracking product yield and wafer out.
o Daily yield and wafer output.
o Dashboard yield and wafer output.
o Tester performance Site to Site, Bin yield loss
o Daily production/engineering hw
o Other abnormal findings
BOM Management
Issue Purchase Requisition and Request for quotation Office supplies
Supporting engineer data extraction and analysis. Raw data of SBL
analysis, Test Time, GRR

一月 2014 - 十二月 2017

Engineering Technician  Apple Inc

Tracking the charge for the photo processing of uLED wafers.
o Photo Expose time adjustment.
o Monitor PR thickness,
Support Engineer handling most of the lithography/Bonding/LLO operation.
Do the 1st level machine debugging
Supporting WAT engineer on data collection and analysis
Handle basic maintenance and arrange vendors for PM and debugging.
Inventory management

一月 2013 - 十二月 2014

Engineering Technician  LuxVue Technology

Support engineers handled most of the lithography operations.
Do the 1st level machine debugging.
Inventory management

一月 2010 - 十二月 2013

Assistant Engineer  United Microelectronics Corporation

Support Engineer handles most of the 1st level lithography operations.
Giving some parameters to Stepper.
Defects inspect.
Other Professional Skills
A Instruments

Stepper, TRACK, CD-SEM, Measurement tool Filmetrics, FLX-2320S,
LLO, Bonder, Microscope, Probe station operation.

System integration and software

Data acquisition, JMP, MS Word, Excel, PowerPoint and Access.

Certification and License

Level B technician for computer software applications
Level C technician for computer software applications
Level C technician for accounting
Proficient in MS Word, Excel, PowerPoint and Access
English typing speed 35 w.p.m.
Chinese typing speed 51 w.p.m.


Minghsin University of Science and Technology

Bachelor of Senior Citizen Service Management

2006 - 2010


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