- could you check for me, recent LYT issue, is it specific to a tester?
- able to check the groudings of all testers (for 9930) any groundig issue with any testers?
- Needs to be sure as over biased is possible to damage the units. Please inform facts as kowing the root cause is important, we are also feeding back this issue to supplier now.
-for the wafer lot HSHR0.00.
-And the recent wafers with low yield, able to trace down the info on Datecode of wafer?