[chbot] chemical milling

Mark Atherton markaren1 at xtra.co.nz
Mon Dec 7 00:09:34 GMT 2020

In the order of 500u copper. Also wondering if I can chemically-mill 
nickel. Piece is likely to be 20mm dia, with a 750u hole in the centre. 
Final application is a wehnelt cylinder.


On 7/12/2020 12:19 PM, ceo at andygardner.com wrote:
> Copper thickness? (Thinness?)
> Do you have a rough sketch of what you need?
> On 7/12/20 12:09 pm, Mark Atherton wrote:
>> ERT
>> On 7/12/2020 12:05 PM, ceo at andygardner.com wrote:
>>> Are you milling a channel in the copper or want to eat right through 
>>> to the other side?

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