-
First claim
Nal Mex reports an inoperative part of the 625B CHL LDM model.
The model was produced on August 5, 2019. -
Investigation
After conducting the investigation it was concluded that the problem was the solder mask is deformed due to application process at supplier Shirai -
Corrective actions
The supplier was asked to:
- Improve the chemical (developer) application method by turning with the component side downwards.
And in Siix they training and reinforcement of microscope, AOI inspection and non-conforming material handling.