Electronics Forum: pass (Page 120 of 142)

High Relative Humidity and Blistering Issues in Assembly

Electronics Forum | Sun Sep 07 20:51:52 EDT 2014 | natashakt

1. Is the high RH environment consistently at 72% RH and 21.4 degrees Celsius? No, over the past 2 weeks I have recorded the highest at the moment: 67% RH at 22.6 degrees C and lowest (it is Spring not summer yet): 31.9% RH at 19.0 degrees C. Or d

Yamaha or Europlacer?

Electronics Forum | Tue May 05 11:05:53 EDT 2015 | billmeye

Brian, thank you for taking time to discuss your buying experience, I read your link and it was very thorough. I also work for a small CEM using Mydata equipment. We have had Mydata going back to 1998 but truely are looking for something simpler. F

Video Recording for Reflow

Electronics Forum | Thu Aug 27 11:18:05 EDT 2015 | dyoungquist

From your description I am assuming you are doing double sided reflow and parts are dropping off the bottom side when the board is run through the reflow oven the second time. A few ideas to try: 1) Are the parts that are dropping off heavier parts

Quad Upward Vision Issue

Electronics Forum | Fri Nov 06 15:42:58 EST 2015 | sdmideas

I am having a darn hard time getting my upward vision to successfully inspect a ssop14 package. I have created a part profile as defined by the manual as I understand. I believe the profile is ok based on comparison to like parts referenced in the q

AOI Machine Daily Verification

Electronics Forum | Mon Jan 11 04:42:38 EST 2016 | buckcho

You can do the so called "Golden Sample" with defects from the process. The making of the defects on the board is very important to be as much close to the real ones from the production. How I do it - after the printer I remove paste on some pads, so

Acrylic Coating De-Wetting?

Electronics Forum | Tue Jul 25 16:08:52 EDT 2017 | dontfeedphils

I'm currently working on bringing a manual coating process/workcenter online and my QA team is giving me some grief. For background, we're using Humiseal 1B31 thinned with thinner 521, mixed at 1:1 by volume. Spraying through a Binks HVLP with 10 P

Training for ViTrox V510 AOI machine

Electronics Forum | Wed Nov 15 14:33:57 EST 2017 | nc_dan

We acquired a used ViTrox V510 AOI machine, our first AOI machine. The programming interface is quite a bit different from our Pick and Place machines so our current tech is not familiar with it. We read the programming manual and made some progress

Solder Paste for Thermal Cycling application (-40 to 150 Degree Celcius)

Electronics Forum | Thu Dec 07 17:25:58 EST 2017 | davef

Help me understand your issue better ... Are you looking to: * Improve your products that are used for thermal cycling testing of products of other companies? * Change your production materials so that you pass thermal cycling testing of your produ

YVL88 MKII laser Verification

Electronics Forum | Fri Nov 24 19:43:37 EST 2017 | darby

Hi everyone, I've been out of it for a while after 27 years. Got made redundant in February. What can you do? I know - turn 60 and get cranky. That'll be the ticket. Anyway...... Trying to help someone out with a Yamaha YVL88MKII. I am very conversa

Solder Ball Dispersion Test (String Solder)

Electronics Forum | Thu May 03 15:02:59 EDT 2018 | solderingpro

Bob Willis (was the first I knew of) that has a splatter test that can be performed over a ceramic hot plate or the like. The concept is pretty straight forward, using a zoned circle, users can introduce the solder wire at a consistent rate and coun

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