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Wet Etch Bay

Wet Etch Bay. Oxide etch using 6:1 BOE. Etchant : 6 : 1 :: NH 4 F : HF (In house Prepared BOE). BOE (13:2) monitoring chart. New Bottle opened on Oct 10 , 24. LOT No. 206AP6311. Metal Etch. New bottle of potassium Iodide is opened on 11 march 2017.

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Wet Etch Bay

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  1. Wet Etch Bay

  2. Oxide etch using 6:1 BOE Etchant : 6 : 1 :: NH4F : HF (In house Prepared BOE) BOE (13:2) monitoring chart New Bottle opened on Oct 10, 24 LOT No.206AP6311

  3. Metal Etch New bottle of potassium Iodide is opened on 11 march 2017 Etchant : 19 : 1 : 4 :: H3PO4 : HNO3 : H2O Temperature : RT New bottle of Iodine is opened on 20 september 2016

  4. DI Water Resistivity At Wet Etch Bay

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