Electronics Forum | Thu Oct 20 15:10:26 EDT 2005 | IRAS
Can someone tell me where I can get the Benchmarker II coupon for solder paste evaluation.
Electronics Forum | Fri Oct 21 09:02:07 EDT 2005 | Bob R.
You can get them from Heraeus. It's their design and last time I talked to them (about 6 months ago) they keep them in stock.
Electronics Forum | Tue Apr 18 14:03:52 EDT 2017 | davef
Can you use a breakaway tab on the board that you're assembling as your coupon?
Electronics Forum | Wed Apr 19 09:40:12 EDT 2017 | dontfeedphils
Thanks for the suggestion Rob, this might work for us in some cases. In most cases though, I'll need multiple coupons per PCB purchase (a coupon per coating "setup"). Currently talking to some PCB suppliers to see if anyone can offer an affordabl
Electronics Forum | Mon Apr 17 10:21:21 EDT 2017 | dontfeedphils
So I'm starting up a conformal coating process from scratch (again, although it's been about 10 years) and I'm looking for the best option for verifying thickness. I plan on going the "coupon per setup" route which will encompass both our manual spr
Electronics Forum | Mon Oct 04 20:06:31 EDT 2004 | davef
We know SIR coupons are not ROSE coupons, but coupon boards are: * IPC-B-24 (copper and HASL, FR-4 and polyimide) * IPC-B-36 (bare copper and HASL, FR-4 and polyimide) * IPC Phoenix board (bare copper, FR-4) * IPC-B-25A (FR-4, bare copper only)
Electronics Forum | Fri May 05 10:49:54 EDT 2017 | dontfeedphils
So I think I've given up a bit on the FR4 coupons due to complexity and having to custom order them every time we'd need a reorder. In the past I've used aluminum coupons, about the size of a regular business card. Some extensive googling hasn't tu
Electronics Forum | Tue Apr 18 10:54:55 EDT 2017 | dontfeedphils
I appreciate the response, but it doesn't really help answer my question as I've used the methods you've mentioned in the past without much luck. I'm looking specifically for a source of FR4 coupons, or the like. Thanks!
Electronics Forum | Mon May 08 10:10:27 EDT 2017 | dontfeedphils
For anyone looking this up in the future, I ended up settling on part number "A-2-3.5", an aluminum, smooth finish coupon, 0.025" thick x 2" x 3.5".
Electronics Forum | Tue Apr 13 14:49:15 EDT 2010 | davef
90%) from the sample, and the bake time and temperature specified herein are minimums. To improve test accuracy, or to prevent heat damage, other bake parameters may be AABUS. 2 Applicable Documents IPC-QL-653 Certification of Facilities that Inspect
