Electronics Forum | Thu Nov 22 10:02:42 EST 2001 | Adam
Guys Has anybody had experiences with plastic glue stencils good or bad ? I also have a couple of questions : 1. Can I use the same aperture design rules for plastic stencils as I do on my metal glue stencils ? 2. How repeatable is a plastic glue st
Electronics Forum | Tue Jun 11 17:12:29 EDT 2002 | mdmilward
Hello, Can I please get some help on finding formulas for calculation of surface mount pad sizes for stencil design and solder paste deposition. I've recently joined a company who has allowed their stencil supplier to develop the stencils based upon
Electronics Forum | Fri Jan 07 09:56:04 EST 2005 | davef
Electroformed stencil suppliers follow. The describe the stencil production process on their sites. * Aplpha Metals [ http://www.alphametals.com/products/ stencils/pdf/PG_Electroform_Stencils.pdf ] * Chepaume [ http://www.chepaume.com/electroforming
Electronics Forum | Thu Jun 03 18:00:33 EDT 1999 | John Thorup
.020" pitch spacing. Which have yielded my process excelent results. | | My main stencil supplier is I-Source in Irvine, CA and has pretty much standardized on 100% lazer cut stencils for competetive pricing. | | Hope this helps. | | | | Deon Nunga
Electronics Forum | Tue Oct 27 12:22:34 EST 1998 | Sanjay Bhatikar
Sirs, what would be a good way to judge the reliability/robustness of a stencil printer or chip shooter? Does any equipment supplier specify detailed maintenance schedules? Is there a source of machine failure data (MTBF, etc.)? I not
Electronics Forum | Fri Jan 12 07:00:27 EST 2007 | GDO
Hi guys, Pin in Paste guidelines will be included in the IPC-7525A "Stencil Design Guidelines". This draft is being reviewed now and is scheduled to be released by February, (March at the latest). There are many other sources for these guidelines
Electronics Forum | Thu Mar 09 09:15:37 EST 2017 | ilavu
This is not a adds. I am just asking for other supplier name and experience that they have. Like Phil said he never have any problem with same company. I just wanted to let people know my pain with same company. Phil- Keep your eyes on the accounti
Electronics Forum | Mon Nov 26 05:56:54 EST 2001 | Scott Davies
We've used pump print stencils on and off for a couple of years now, and experimented with various epoxies. One supplier gave us some samples to try and we found that the adhesive they supply for normal metal stencil printing didn't work well with th
Electronics Forum | Fri Mar 12 11:53:47 EST 2004 | Dreamsniper
Thanks Dave...it's such a good site for reworking BGA's (reballing). But what about when it comes to re-attaching the BGA onto the PCB? We are using Flextac Stencils but I found out that the apertures of their stencil is bigger than our pads for the
Electronics Forum | Sat Aug 14 08:43:17 EDT 2004 | davef
Russ makes good points. Your printer supplier can give good advice on machine setup also. We know we're printing well when: * Paste at least as big in diameter as your thumb is rolling across the stencil * Paste is filling the apertures * Squeegee
