问答进行的探究程度

    What happen?
    AIT key down tool!
    Which tool ?
    INEA03
    Why keydown INEA03?
    Because stain defect be detected after implant
    When stain be detected?
    Earlier this morning
    When affected lot processed in INEA03?
    Two days ago
    How many lots might in risk if impact last from that day?
    Total 31 lots
    Why it is because of INEA03?
    Because the stain-like defect
    What makes INEA03 get wafer stained?