STM32F107VCT6 top marking is different with datasheet，“Z�? is shows in different position.

[YHan.5]

We found that the parts which we received its marking is different with datasheet.

What is the reason for the different position of screen printing?

Please help to provide MFG explanation.

[waclawek.jan]

ST uses several contractors for packaging, and they all use a slightly different style of marking.

JW