Electronics Forum: stencil (Page 152 of 540)

Fine Pitch Stencil Design

Electronics Forum | Wed Dec 14 07:53:57 EST 2005 | tk380514

Aperatures are often best decided by the stencil manufacturer principally because they would know what is easiest and best for there laser cutting machines, why would i dictate to them something that would not work well for there machines. but are yo

RoHS and stencils

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

Standard for Stencil printers edges pressure

Electronics Forum | Tue Apr 18 17:59:07 EDT 2006 | karenp

Hi guys: I'm trying to get the recommended pressure for stencil edges using air compression, I'm working with I-source but they don't have any standard like IPC or something that can help me to use and decrease the replacement of stencil because of

Screen Printing

Electronics Forum | Mon May 01 22:55:02 EDT 2006 | KEN

....am I reading this correctly? "Screen Printing" or "Stencil Printing" Screen = agree = off-contact.....it's fuzzy going back into the memory banks to the early 90's. Screen mesh and emulsion will stretch to produce the gasket affect while snapp

IPC-A-610D Question

Electronics Forum | Tue May 02 16:37:57 EDT 2006 | bhall

I have experienced the exact same problem with excess solder touching the plastic component body. The solution in my case was simply to replace the stencil. I was using a reusable stencil frame that had been worn out. I replaced the stencil with a so

Stencil cleaning

Electronics Forum | Tue May 30 10:55:57 EDT 2006 | bryanhewson

I am a lay person researching the application of non-woven material in stencil rolls either using branded material or non-branded alternatives for DEK, MPM Panasonic machines in SMT environments. I have read a number of articles referring to aqueous

Stencil cleaners.

Electronics Forum | Fri Sep 15 07:36:39 EDT 2006 | realchunks

We're all tool unless we own our own companies. Even then you're just the customer's tool then. At least every tool has a purpose. Some maybe rusty or outdated, but all have a purpose. I also agree with Kevin though, I too have never seen a stenc

Stencil foils delaminating

Electronics Forum | Thu Nov 09 08:06:17 EST 2006 | cyber_wolf

We are having continual problems with our stencil bindings falling apart in our washer. We use a PMR5000 ultrasonic with Vigon sc2000 cleaning fluid. We cycle them in the washer for about 9 minutes. The fluid sometimes heats up to 105 deg F. Our

Pin-in-Paste, Intrusive Reflow, Solder Preforms, etc.

Electronics Forum | Fri Dec 15 03:16:11 EST 2006 | pavel_murtishev

Good morning, The critical points for successful PIP technology are: 1. Gap between THT lead and PHT hole. It shouldn�t be greater that 0.2mm; 2. Lead shape. THT leads MUST be straight or you�ll get excessive voiding otherwise; 3. As Russ said, pas

Skewed components

Electronics Forum | Thu Mar 08 14:30:45 EST 2007 | ratsalad

If you are in the middle of a run and can't get a replacement stencil there immediately, you can always put a little kapton tape on the bottom of the stencil to mask off a portion of the DPAK pad and reduce the paste deposit. We have had to do this

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