[labnetwork] Etching WO3

[beaudoin]

Thanks Darick,

And thanks to all fellow labnetworkers who responded.

Mario


On 2025-03-17 12:33, Darick Baker wrote:
> [CAUTION: Non-UBC Email]
> 
> Hello Mario,
> 
> Do you know how the WO3 is attached to the copper? You might be able
> to melt the solder or dissolve the epoxy that is holding the pieces
> together. That may be more pleasant than trying to etch the WO3.
> Good luck.
> 
> On Fri, Mar 14, 2025 at 4:39 PM Beaudoin, Mario
> <beaudoin at physics.ubc.ca> wrote:
> 
>> Dear Network,
>> 
>> I have a big copper sputter target holder on which a WO3 (tungsten
>> tri-oxide) target on it.  I'd like to etch away the WO3 and keep the
>> copper.  Anyone can recommend some appropriate wet chemistry?
>> 
>> Best
>> 
>> Mario
>> --
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> --
> 
> Darick Baker, PhD
> Manager, Engineering and Business Development
> Washington Nanofabrication Facility (WNF)
> University of Washington
> Fluke Hall 115, Box 352143
> Desk: 206.221.8265 Cell: 206.395.4049 (text preferred)
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> 
> Pronouns: he/him

-- 
Mario Beaudoin