Assoc. Validation Engineer

Assoc. Validation Engineer

UST Global Singapore Pte Limited
Not Specified
Not Specified

Job Description

Job Description :
Validation Engineer
Location: Malaysia
• Main objective: Perform first cut analysis process to ensure that the failing behaviour correlate with the failing signature.
• Tools used for data collection:
- Parametric analyser: To analyse the IV characteristic.
- CSAM/TSAM: To observe and capture any delamination at package level.
- X-ray: To observe any defect in bump area.
- High mag microscope: To zoom in any visual defect at die level.
- IRLC: To capture the burn mark in the active region of the die without destructive during analysis.
- EOTPR & TDR: To see open/short in which area (die level or package level).
- Allegro & Mentographic: Software used to map the failing pin at ball area and bump area for every product.
• Job summary:
1. Get the data log and study the failing pin.
2. Map the failing pin using Allegro/Mentographic.
3. Get the unit and observe the condition of the unit. If there any obvious crack/damage; need to capture the image using visual microscope.
4. Proceed to do IV characterization.
5. Do CSAM. If the unit contain IHS; need to remove the IHS first.
6. Do x-ray to see any delamination or dark spot on bump area.
7. If CSAM is clean (no delamination/crack/dark spot); need to proceed to do EOTPR/TDR if the unit having short or open during the IV (for i/o pin only)
8. If CSAM capture any dark spot; need to do IRLC in order to capture the burn mark (depends on defect signature or upon request).
9. Compile all data.
10. Do final report and submit to requestor.
• Example of bin fail:
1. Bin 10 - Short
2. Bin 15 - Open
3. Bin 99 - Alarm
4. Bin 9 - Leakage
5. Bin 8 - VCC continuity
6. Bin 11- VIX
7. Bin 13 - VOX
Support team member to calibrate the Samtec cable of SBTS machine for every quarter of the year.

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