Because after all, we are on the side of a RASP jig and resulted in setting jig in the package is not the same as the previous package with components are missing. So maybe make CuW's position has changed.
After we filed the side of the jig, which resulted in a set position on the jig in the same package. Because the exposure to areas previously lost. This exposes the position of CuW changed.
Because after we arc side of the jig, resulting in a position to set jig package is not same. Because the contact with the package previously lost. So it may be the location of the CuW change.