[labnetwork] [EXTERNAL] ideas to clean gold sputter target

[Robert Nidetz]

Following up on the wet etching theme, piranha solution attacks a lot of
metals, but not Au.

Can you use EDS to determine the other elements?

Robert Nidetz, PhD (he/him/his)
University of Michigan
LNF User Liaison and Domain Expert
1241 EECS Building
1301 Beal Ave
Ann Arbor, MI 48109
nidetz at umich.edu
734.496.8065
Book an appointment: https://calendly.com/nidetz


On Sat, May 10, 2025 at 8:18 AM Czwakiel, James <czwakj at rpi.edu> wrote:

> Dr Rao
>
> We have used scrubbing pads to clean off any oxidation or contamination
> You can also flip it over
> Try the other side
>
> Jim
> RPI
>
>
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> *From:* labnetwork <labnetwork-bounces at mtl.mit.edu> on behalf of Fubo Rao
> <furao at ucsd.edu>
> *Sent:* Friday, May 9, 2025 6:53:10 PM
> *To:* labnetwork at mtl.mit.edu <labnetwork at mtl.mit.edu>
> *Subject:* [EXTERNAL][labnetwork] ideas to clean gold sputter target
>
>
> *CAUTION:* This email originated from outside of the organization. Do not
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> Dear Colleagues,
>
> What would you recommend for cleaning this Au sputter target that has been
> partially coated/contaminated with other materials? There are probably a
> few material coatings on the target, before this was found out. Sputtering
> the materials off, or sand blasting will waste a lot of gold. Thanks in
> advance.
>
> [image: image.png]
>
> Thanks,
>
> Fubo Rao, Ph.D.,
> Nano3 Technical Director,
> Qualcomm Institute/Atkinson Hall,
> UC San Diego
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