Problem wbnonmetal SNF 2011-08-07 22:09:21: someone may hve put BOE into 50:1 bench

ylyang at snf.stanford.edu ylyang at snf.stanford.edu
Sun Aug 7 22:09:21 PDT 2011


I use 50:1 HF ro remove native oxide, but all the oxide is gone. Maybe someone put BOE in this bench.   He/she should drain it or leave a note
I spend one day to process my wafe, but now I need to do the process that I did one week ago.




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