Electronics Forum | Thu Nov 12 13:16:52 EST 1998 | Ryan Jennens
| I keep hearing about polyimide stencils, but what are they like in terms of registration and aperture accuracy? | Fraser- We use polyimide stencils with great success for our prototype boards. They are cheaper and the accuracy/aperatures are
Electronics Forum | Tue Jun 15 17:00:27 EDT 2004 | Rob
I'll jump on this bandwagon too... A crude method was buying a bread rack and widening it to the width of a fixed stencil. Since we get our foils from A-Laser, we get these card board squares. I would tape three of these pieces together to make a som
Electronics Forum | Wed Jun 16 04:14:11 EDT 2004 | loz
I have used this method as well, it did have its drawbacks though. We used to have the positioning holes etched into the stencils and this worked fine, for a while. After a couple of months of opening up and closing the fingers on the hanging rack, w
Electronics Forum | Wed Dec 15 20:17:48 EST 2004 | cmiller
We have switched from IIT pro-plates to QTS stencils. lots of companies provide them. We still buy from IIT, they have been one of the best suppliers we have had. The single axes tightening just does not get it anymore with the super small parts we h
Electronics Forum | Fri Mar 03 12:22:41 EST 2006 | russ
Haven't done any studies other than how clean can you get a stencil. I would clean 'em and inspect the apertures and see if you have any residues. If so, I would clean again the amount left would be so miniscule that I don't beleive it would cause
Electronics Forum | Sat Nov 14 08:58:38 EST 1998 | Earl Moon
| I keep hearing about polyimide stencils, but what are they like in terms of registration and aperture accuracy? | You are hearing about polyimide as in polyimide film as Kapton (TM Dupont). This material is the stuff of flex and rigid/flex circuit
Electronics Forum | Fri Feb 15 13:37:31 EST 2002 | gtemple
What about reducing your force and slow the blades down slightly
Electronics Forum | Fri Jan 17 04:34:57 EST 2003 | iman
wat angle of incline should the etched portion be? or am i missing something here?
Electronics Forum | Wed Jul 24 12:26:35 EDT 2013 | cyber_wolf
http://www.youtube.com/watch?v=JWUJtmgh55M
Electronics Forum | Mon Feb 14 21:28:08 EST 2022 | dwl
What about katpon? One per use only, but it will self adhere to the PCB.
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