Su Wei Sheng 

Wafer Level Package Integrate Engineer(Bumping & DPS) in PTI.

 Main duty is responsible for customer support.

  Hsinchu, Hsinchu City, Taiwan   E-mail : [email protected]  

Work Experience

Senior Engineer  •  Powertech Technology Inc.                                          Jun 2021 - Present

Process integrate engineer (Customer support )
1. Major support the customer’s questionnaire, requirement and regular meeting.
2. Prepare audit items, finding follow up and provide CIP activity .
3. VOC,RMA ,CAR case handle and provide reports to customer.
4. Provide regular yield analysis and CIP reports to customer.

Senior Engineer  •  Powertech Technology Inc.                                               Sep 2016 - Jun 2021

Process integrate engineer (Defect team)
1. All of auto inspection & metrology tool owner( around 30 pcs)
2. Defect mode sorting and set up judgments rule to production.
3. RMA product and inline device failure analysis by FIB ,SEM,EDS.
4. Optimize recipe inspection or measurement time to improve WPH.
5 .Metrology data monitoring by SPC chart and improvement.

Specialist   •  Shihlin Electric &Engineering Corp                                              Sep 2013 - Aug 2016

1. ODM & OEM the AC generators in the heavy motorcycle.
2. Using Ansys Maxwell to do magnetic analysis for AC generators.
3. Sketch the structure of AC generator by 2D & 3D software.
4. Improve the product process more smoothly.



WLP bumping process

Yield analysis


Excel, JMP


User Experience

Customer support

RMA & FA case handle

Inspection&metrology tool


Mandarin Chinese


2011 - 2013

National Yunlin University of Science and Technology

MasterMaster of Electrical Engineering

2007 - 2011

Tatung University

Bachelor of Electrical Engineering

Brief Introduction

Dear hiring managers:

My name is Sam. I have been working in PTI WLP bumping site as an integrate engineer more than five years. Now my main duty is responsible for supporting customer’s questionnaire, requirement and prepare customer’s audit items including process flow, SPC and inline tour introduction. Also need to do yield analysis and output report to customer, and regular provide CIP plan for process improvements.

And need handle the VOC, RMA or CAR case then present and provide report to customer. At the first 4 years in PTI, I had experience for inspection and SEM, it is helpful for me to do FA analysis, root cause mechanism then can provide correction advise efficiently to process team. 

When I was in defect team, I am the tool owner which include 4 different type and total have around 30 pcs machines. I need to set up general rules to make sure the recipe consistency, also need to improve the recipe or hardware issue by monitoring metrology data in SPC chart. 

And using defect mode to write judgment    SOP for production line to follow up.

Summary my career, I think I have excellent observation and can connect them in every projects then make me understand rapidly. Also willing to do coordinate role to solve every case I meet. And I always have curious on any events in my job, it is the strong power for me to get the result . In the future, if have opportunity I will take this advantage and do my best in new job.

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