Electronics Forum: coupon (Page 1 of 8)

Benchmarker II solder paste evaluation coupon

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.

Benchmarker II solder paste evaluation coupon

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.

Conformal Coating Coupons

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?

Conformal Coating Coupons

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

Conformal Coating Coupons

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

Cleanliness Testing Samples - What to Use?

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)

Conformal Coating Coupons

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

Conformal Coating Coupons

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!

Conformal Coating Coupons

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".

Measure humidity for PCB

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

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