concentration 1.0%)
(3) Rinsing
・ M ake sump water with running water, immerse
the case (tray) completely in water (tap water or
deionized water), shake the case (tray) 5 times up
and down.
・ R enew the water and shake the case (tray) 5 times
up and down in the water again.
・ P erform a series of rinsing operations three or
more times in total.
(4) Dry thoroughly.
Recommended drying condition: 110 °C (230 ℉),
30 minutes or more
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