Etching Away HSQ
James W. Conway
jwc at snf.stanford.edu
Mon Oct 10 12:03:05 PDT 2011
2% HF (1:50) like we have on wbnonmetal and BOE will both etch off HSQ.
I normally perform a Piranha clean in the 9:1 H2SO4:H2O2 before the HF
dip to remove organics...
See me if you have questions during my office hours.
On 10/9/2011 6:43 PM, Robert Chen wrote:
> Hi Labmembers,
> Does anyone have experience etching away HSQ masks patterned using
> e-beam? Looking for recipes, etch rates, and general considerations.
> Robert Chen
> Electrical Engineering Ph.D. Candidate
> Harris MBE Group, Stanford University
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