Electronics Forum | Mon Jun 08 20:03:07 EDT 1998 | Dave F
| Chiakl | Ion Chromatography has been perfectly described by Dave, but here are a couple of extra considerations: | Ion Chromatography will tell you precisely what is present on the surface of your board/assembly but it will not tell you whether it
Electronics Forum | Fri Jun 05 10:24:56 EDT 1998 | Earl Moon
| I have just been assigned to look into the ionic chromotograhy test on our PCBA but I have zero knowledge. Could anyone help to explain what is this test about? Is it | a) a destructive test? | b) What is the measurement unit of this test? | c) Wh
Electronics Forum | Sat Sep 14 12:24:44 EDT 2002 | scottefiske
We need to remember here that as printer manufacturers were enhancing their product lines, miniaturization was quickly being developed in the background. In the last 2 years I was involved in developing and conducting a D.O.E./F.M.E.A in determining
Electronics Forum | Tue Mar 03 03:02:17 EST 2009 | emmanueldavid
25% out of Lands in PCB, Insufficient/Inconsistent Alloy deposition which causes for poor Tackiness between Device Spheres & Paste deposited. Also note that Aperture Opening Designs in Your Stencil draws a huge role for these defects. 4. Placement: P
Electronics Forum | Mon Mar 02 04:20:27 EST 2009 | emmanueldavid
Glossy/Matte & Plating). 2. Select Solder Paste according to Your Customer or In-House Specifications which is compatible for expected Process. 3. Use Chemical Etch / Electro Polished Stencil with proper Aspect Ratios (AR=>1.5) & Area Ratios(ArR=>0.6
Electronics Forum | Mon Sep 14 22:59:42 EDT 2020 | kylet
Looking to power up this board with 3v coin battery. I've tested this board with it and it works but to solder this on or make something that has clips for the attachment to power this up. Positive and negative connections are the circles on the inne
Electronics Forum | Sun May 02 10:25:31 EDT 2004 | Bryan She
I'd thought that the solder on test pad can benefit our ICT,but in fact,the residue issue arised.I'd like to know how do you test your OSP board? Thanks Bryan
Electronics Forum | Mon Jul 20 22:40:22 EDT 1998 | Dave F
| | Bare board solderability plays a significant role of forming good solder joint. Currently, I can not find any information about bare board solderability testing procedure or methods. I think the procedure of testing should have some differentiat
Electronics Forum | Wed May 30 17:19:59 EDT 2012 | allegramackenzie
I'm trying to get s some Benchmarker II test boards. I called Heraeus (610-825-6050), but they couldn't help me. It's such a big company that the person that answered the phone didn't know what a PCB was, and gave me the phone number of someone who s
Electronics Forum | Wed May 30 22:13:45 EDT 2012 | davef
Richard Lathrop, technical service manager, SMT materials, Heraeus Circuit Materials Division, may be contacted at (610) 825-6050, ext. 265; e-mail: rlathrop@4cmd.com.
