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Old 16th July 2013, 02:41 PM   #1
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Default Photoresist Anti-etching Blue Paint

Hi, anybody try it for make PCB?
There is a few seller on ebay, who sell this, for example 100g Photoresist Anti-etching Blue Paint for DIY PCB dry film replacement | eBay
Code:
http://www.ebay.pl/itm/100g-Photoresist-Anti-etching-Blue-Paint-for-DIY-PCB-dry-film-replacement-/190741561459?pt=LH_DefaultDomain_0&hash=item2c69154073
What is better, this or photoresist film?

EDIT:

Please use link in the code window.

Last edited by elektryk; 7th February 2014 at 09:04 PM.
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Old 20th July 2013, 10:18 AM   #2
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I have ordered it, we will see whether it works.
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Old 6th February 2014, 02:19 PM   #3
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It works fine with Nitro diluent, I'm using Seno 4007 developer after exposing.
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Old 6th February 2014, 02:42 PM   #4
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This kind of stuff used to be used years ago in the old etch resist pens. I used one to do my first PCB about 24 years ago.

Soon moved onto transfers then printing transparancies and UV exposure.
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Old 6th February 2014, 11:25 PM   #5
JMFahey is offline JMFahey  Argentina
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Its not the same.
The one you mention was used to directly draw the tracks and pads by hand.
This one is applied to all of the copper surface, then the image is transfered photographically, using a negative.
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Old 7th February 2014, 07:31 AM   #6
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Ah ok, couldn't get the link to work.

Now used the link in the code window. Spray on resist is bad enough, but this looks even worse. Fair enough the poster got a result, but I wonder how intricate his PCB was.
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Old 7th February 2014, 07:53 AM   #7
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Off topic post

Quote:
Originally Posted by richie00boy View Post
Ah ok, couldn't get the link to work.

Now used the link in the code window. Spray on resist is bad enough, but this looks even worse. Fair enough the poster got a result, but I wonder how intricate his PCB was.
On your website, RELAY IS MISSING in the soft-start schematic

Gajanan Phadte
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Old 7th February 2014, 08:32 PM   #8
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Thanks Gajanan, but R5 depicts the relay coil.

Sorry for the off topic.
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Old 7th February 2014, 08:53 PM   #9
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Quote:
Originally Posted by richie00boy View Post
Ah ok, couldn't get the link to work.

Now used the link in the code window. Spray on resist is bad enough, but this looks even worse. Fair enough the poster got a result, but I wonder how intricate his PCB was.
This resist isn't as bad as looks, here is PCB with SSOP28 package (it was made with one layer printed on transparent foil on inkjet).

Using airbrush gives better results, this PCB isn't the best which I have etched, because this one wasn't painted precisely, scratches degrades PCB quality.
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File Type: jpg SA400990.JPG (969.4 KB, 82 views)

Last edited by elektryk; 7th February 2014 at 09:10 PM.
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Old 17th February 2014, 01:42 PM   #10
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Default Nitro

Can you tell me what the nitro diluent is that you used? sorry but I'm new at this and have no clue.

Thanks
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