Electronics Forum: fine pitch components (Page 1 of 222)

Paste printing fine pitch components

Electronics Forum | Sat Oct 12 13:49:08 EDT 2013 | garym4569

Has anyone had success using a DEK Proflow printhead with fine pitch components (~.2mm pitch). I have been told that squeegees are the way to go for fine pitch. What other major factors play a role in successfully printing fine pitch. Print speed,

Paste printing fine pitch components

Electronics Forum | Mon Oct 14 14:35:51 EDT 2013 | garym4569

Thanks for the replies. I have just ordered the IPC Stencil Design Guidelines manual.

Paste printing fine pitch components

Electronics Forum | Fri Oct 18 11:19:29 EDT 2013 | cyber_wolf

Nano coating = Rain-X = Snake oil

Paste printing fine pitch components

Electronics Forum | Thu Oct 17 16:19:04 EDT 2013 | island2013

I've used the Nano Protek product in the past and it is fantastic, worth every penny for those small aperatures. It's just like a wax and yes it works great on rims ;)

Paste printing fine pitch components

Electronics Forum | Fri Oct 18 09:27:53 EDT 2013 | dontfeedphils

I believe it's mostly worn off through cleaning solvents and the slight abrasion during the under stencil cleaning process. I couldn't say whether or not it's ever in a state that would allow it to transfer to the PCB though.

Paste printing fine pitch components

Electronics Forum | Mon Oct 14 14:11:39 EDT 2013 | island2013

Yes, I agree with Evtimov. It's more about aperature reduction and type than it is the type of machine. Aspect and and Area Ratio are very important. Take a look at this page I found on the internet http://www.qualiecocircuits.co.nz/stencil-techno

Paste printing fine pitch components

Electronics Forum | Wed Oct 16 10:05:36 EDT 2013 | markhoch

I heard it works well on Chrome Rims for your car too. Swag, I'm not at all suggesting that your operators have discovered this and this is why you keep running out and have to keep ordering it :-p

Paste printing fine pitch components

Electronics Forum | Tue Oct 15 19:27:08 EDT 2013 | swag

See if you can get a sample of Dek's Nano Protek. We use it on all our fine pitch stencils. I'd say it's kind of like car wax for the aperture walls. They operators really like it a bug me every day to order more if we run out.

Paste printing fine pitch components

Electronics Forum | Fri Oct 18 08:54:18 EDT 2013 | emeto

Hege, the Nano coating goes on the opposite of the squeegee side of the stencil. I don't know if the cleaning paper is able to remove it little by little with the time, but I never refreshed my stencils with Nano coating and they work just fine. How

Paste printing fine pitch components

Electronics Forum | Thu Oct 17 14:36:30 EDT 2013 | hegemon

Hey SWAG, any idea where that Nano Protek goes, that you have to replace it? (and I am not talking about polishing up wheels) Is it being scrubbed off of the stencil during the print process, and over time it must be replenished? Sorry a bit off top

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