TEM test items test the first three batches, when there is a process change or a new WCB is used for production, at least one more batch should be tested.
The first three batches of TEM testing items need to be tested. When there are process changes or new WCB is used for production, at least one more batch needs to be tested.
The first three batches of TEM inspection items need to be inspected. When the existing process changes or new WCB is used for production, at least one more batch needs to be inspected.