Actually, the linked pdf's are presentation slides that do not contain any relevant information that is not in the infographic. On the other hand, on this level

Actually, the linked pdf's are presentation slides that do not contain any relevant information that is not in the infographic. On the other hand, on this level there is not much more to say, finding and removing the true root cause (ie. "this process step was badly designed") is problem of the battery manufacturer and not Samsung itself.