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| cleaning [2013/11/17 06:48] – mcmaster | cleaning [2013/11/17 07:15] – mcmaster | ||
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| - | "find a polyimide layer that was not entirely removed by HNO3 but which can be dissolved with ethylendiamine" | ||
| ==== Ethylendiamine ==== | ==== Ethylendiamine ==== | ||
| - | From [Beck 23] | + | "find a polyimide layer that was not entirely removed by HNO3 but which can be dissolved with ethylendiamine" |
| + | |||
| + | Rest from [Beck 23] | ||
| Procedure: | Procedure: | ||
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| ==== Ethylendiamine + hydrazine monohydrate ==== | ==== Ethylendiamine + hydrazine monohydrate ==== | ||
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| + | " | ||
| From [Beck 23]. Use this if plain ethylendiamine does not work. Unclear if it has a higher corrosion potential, but heed the safety warning | From [Beck 23]. Use this if plain ethylendiamine does not work. Unclear if it has a higher corrosion potential, but heed the safety warning | ||
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| * 1 mL 30% H2O2 | * 1 mL 30% H2O2 | ||
| * Cook at 80° C | * Cook at 80° C | ||
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| + | Notes: | ||
| + | * Seems like this is same thing as [[Piranha solution]]? | ||
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| ==== Fuming nitric acid (FNA) ==== | ==== Fuming nitric acid (FNA) ==== | ||