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Photo Etch


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#1 Ember

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Posted 30 October 2014 - 12:06 PM

It's a long shot, but has anyone had any photo etching done by someone they can recommend? Looking at a project/venture that will require etched parts.

I know MicroMark do a home photo etch kit, but I've not had any luck finding something like that in Aus.
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#2 kash15394

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Posted 30 October 2014 - 01:03 PM

Not off hand.Micro Mark stuff is usually pretty good tho so you might have to get it from the U.S.

#3 Ember

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Posted 30 October 2014 - 01:35 PM

Chemicals and shipping costs are the limitations with dealing with MicroMark.

Photo Etch services exist. I just thought one of the kit makers might know someone who does it commercially.
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#4 shadow_rusty

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Posted 30 October 2014 - 01:55 PM

Could you use a PCB etching kit?

You would need to seal the reverse side of the copper as there would be no Fibreglass there, but should work...
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#5 shadow_rusty

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Posted 30 October 2014 - 02:08 PM

This will work for etching copper, and once 'coppered' up, should work on most metals...
http://www.instructa...--A-better-etc/

Then you just need the etching film...
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#6 FLY in the wall

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Posted 30 October 2014 - 02:45 PM

Lynne,

Got an etch you need to scratch? :wub:
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#7 Ember

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Posted 30 October 2014 - 03:26 PM

:lol: Nice one Mike.

Michael it's probably the photo resist film that's the hard part. I recall doing it at school with silk screening, but I don't have access to that equipment either.

Would be looking to use brass or similar as the base.
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#8 shadow_rusty

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Posted 30 October 2014 - 05:05 PM

Something like this on evil-bay may do the job...
http://www.ebay.com....=item5d49403b2a

It's also called Photo Resist.
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#9 shadow_rusty

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Posted 30 October 2014 - 05:10 PM

I used to work here... http://www.lintek.com.au/
We would occasionally laminate brass or copper blocks with photo resist, expose them, and then etch them, or plate them, or both...

Mostly though, they would mill out the brass or copper blocks, and the etching was mostly just for circuit board tracks.

So, most electronic PCB manufacturers could probably do what you need...
At least as far as laminating the brass and exposing it for you anyway...
The it would be as simple as etching the brass as above...
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#10 Garry J

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Posted 30 October 2014 - 05:41 PM

Jaycar sell an iron on etch resist. I've used it to make some very fine circuit boards. That's "fine" as in very thin tracks, not pretty to look at.

If you're working with thin brass you can cover one side with a laminate, or paint it. Or you can etch from both sides if you use a couple of pin holes to locate the mask on the reverse.
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#11 kalbfellp

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Posted 30 October 2014 - 08:23 PM

I have etched thin stainless sheet, but that was some years ago when I had access to plate etching equipment at the Newpaper.
I used two negs to expose resist on both sides before etching thru the sheet, much thevdamevas doing double sided PCB.
I should think the Jaycar kit would be worth a try.
There are plenty of how to on the net.


#12 Ember

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Posted 30 October 2014 - 08:38 PM

I'm quite happy to pay an expert to do it because what I'm after is fine and tiny work.
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#13 slotbaker

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Posted 30 October 2014 - 10:03 PM

You could try Morris Graphics in Sydney.
I've used them for photo etching small run production parts.
Have a chat to Jane.
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#14 Ember

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Posted 31 October 2014 - 06:34 AM

Thanks Steve.
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