[labnetwork] PCB in e-beam evaporator?

[Muhammad Sajeer p]

Hello,

I had made some wire bonding on PCB, for one of my projects. It was
definitely a bit tricky initially. Please see this paper and supplimentary
info if it's useful

https://iopscience.iop.org/article/10.1088/1361-6528/ade318/meta

Regards,
Sajeer

On Thu, 2 Jul, 2026, 1:07 pm Russ Renzas, <rrenzas at unr.edu> wrote:

> For a summer lab class we're trying to have students make a chip and
> wirebond it to a PCB. We're having trouble wirebonding to the immersion
> gold pads though.
>
> Is it okay to put pcbs in our ebeam evaporator to evaporate Au?
>
> We tried a small piece in a Au SEM prep sputter coater and that worked but
> it's too small for the class PCBs.
>
> Thanks, also appreciate any tips on how to spec pcb metalization for
> wirebonding compatibility. We have both Al ultrasonic wedge and Au ball
> bond capabilities.
>
> Russ Renzas
> University of Nevada, Reno
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