Electronics Forum | Mon Sep 10 17:52:30 EDT 2001 | mparker
Are you doing actual measurements of the dummy parts placements? or are you just doing a visual go/no go check? If doing actual measurements, be sure to use mil inch units of measure rather than mm. Mil will give you more accurate readings. mm force
Electronics Forum | Wed Feb 23 01:06:06 EST 2011 | kemasta
Hi all Recentlt I encounter a issue, the solder paste was not dry after wave. Mostly happen and the end of the board. It is rare case, 1 day happen about twice. But to achieve our quality target, I still need to overcome this issue. I use Alpha OM-
Electronics Forum | Tue Jul 26 23:02:22 EDT 2005 | crishan
Hello, We currently have huge quality issues with our Inertec selective solder machine, the model we have does not pump solder, rather the solder bath is raised to the product. We have continuing issues with bridging and non wetting of joints. We a
Electronics Forum | Sat Jan 15 13:13:33 EST 2000 | Mark Wiegold
Steve, Basically in answer to your question, there is no real set number for defects. Defect rates will vary between products and companies. If my company was running the same product as yourself then there is no reason to suggest that the defect ra
Electronics Forum | Wed May 13 14:22:17 EDT 1998 | JoSi
Hi, There has been a lot of disputes in our company about changing present HASL to another Finishing which can provide more flatter pad surface in fine pitch applications. ( perhaps Ni/Au, OSP ) The target is to reduce solder defects, thus improve
Electronics Forum | Tue Mar 20 05:19:20 EDT 2018 | robl
What pick and place machine? Depends where you are. If in the UK or Europe and on a tight budget I would go for an old Philips/Assembleon Topaz, but only because I know the machines and where to buy them cheap, good freelance engineers and a good lo
Electronics Forum | Fri May 15 12:04:22 EDT 1998 | Justin Medernach
| Hi, | There has been a lot of disputes in our company | about changing present HASL to another Finishing | which can provide more flatter pad surface in fine | pitch applications. ( perhaps Ni/Au, OSP ) | The target is to reduce solder defects, t
Electronics Forum | Wed Nov 03 09:18:27 EST 2004 | Simon UK
Hi Dennis, It is all dependant on what you state for the class of product i.e. Class 3 is the top end acceptance criteria used mainly in Aerospace and Military. You have 2 terms you need to grasp to avoid confusion. 1. Acceptance Criteria 2. Target
Electronics Forum | Thu Oct 26 08:33:25 EDT 2000 | M. Pirttimaa
I would like to read your opinion of the following matter: How wide is the window for good pasteprint quality if the quantity of paste is its indicator? Usually the amount of paste on landings varies quite a lot from set to set and there are signif
Electronics Forum | Fri Jan 07 01:20:03 EST 2000 | Dennis O'Donnell
Try calling Rick Zaki at (408) 847-0150. Tell him Dennis O'Donnell refered you. Rick is an independent rep that reps several fab companies with different target markets. I use him for all of my sub contract fab and he gets me best quality and best
