Stamped on the face of the plastic extraction handle
Inlaid on the pack of the extraction handle underneath the manufacturer
Printed in silver on the circuit side parallel to the right edge
overall: 1/2 in x 2 1/2 in x 5 1/2 in
This W102 module has a green board with several components. There is a beige plastic extraction handle held in place by two metal rivets. Between those rivets there are three inspection stamps, one round, one square and one triangular. They are stamped over the words "FLIP CHIP".