Electronics Forum | Tue Mar 04 09:12:35 EST 2008 | davef
Q1. What would you recommend for the best practice or comparison? A1. We'd go with dip & look. It's easy and cheap, requires no advanced degrees in measurology. Have you reviewed "J-STD-002B - Solderability Tests for Component Leads, Terminations, Lu
Electronics Forum | Tue Mar 04 03:55:11 EST 2008 | aj
Hi All, I know this forum is not for spare parts but after the shock I got when I received a quote for a new CP6 nozzle head, I feel that some other company without much cash might benefit. I purchased some fuji cp4 & cp6 spares from a 2nd user dea
Electronics Forum | Tue Mar 04 10:42:45 EST 2008 | operator
We have a product that requires labeling and serial numbers that obviousely should be put on prior to conformal coating. 1.What kind of labels/ink/sharpe can be used under conformal coating without disolving etc...? We will be using Techspray 2103-1
Electronics Forum | Thu Mar 06 10:43:49 EST 2008 | samir
Folks, what is the industry consensus? Which is the more popular lead-free, flat finish these days? Here's what I know from my experience. IAg: 1. Quality of finish is dependent on supplier 2. Can NOT be reworked. It is known that reworking t
Electronics Forum | Sat Mar 15 09:30:29 EDT 2008 | davef
Unlike other solderability protection, immersion coatings [eg, ImAg, ImSn, OSP, etc] can be reworked by the board fabricator prior to assembly operations. Reasons for selecting immersion are: * Until a supplier can demonstrate that they can turn bla
Electronics Forum | Sat Mar 15 09:55:33 EDT 2008 | ppcbs
As a rework house to contract manufacturers, a majority of the BGA rework we receive is failing due to Black Pad issues. Recently we have been taking in a lot of consumer products that have parts just falling off the lead free boards that are assemb
Electronics Forum | Fri Mar 07 10:55:51 EST 2008 | slthomas
Not sure if you need help with the calculations or the application, so from the beginning: d=defective parts, p=number of parts, dpm=defects per million parts In a nutshell, d/p=dpm/1000000, so dpm=d/p*1000000 We use dpmo (defects per million op
Electronics Forum | Tue Mar 11 14:42:09 EDT 2008 | ck_the_flip
Here's a cheer I found on the ASQC Website. "Quality Cheer" by QC McSnigglets Who found it? WE DID! Who made it? THEY did. D - E - F - E - C - T - S Who found it? WE DID! Who made it? THEY did. D - E - F - E - C - T - S Du-du-du-du- DE-FECTS
Electronics Forum | Fri Mar 07 08:39:21 EST 2008 | mmjm_1099
Hey all I am looking for the full version of this if anyone has a copy. Below is the preview for this book. And if anyone has read through this book already please leave feedback on it. http://books.google.com/books?hl=en&id=Mpq1K9NFgs0C&dq=smt+ste
Electronics Forum | Mon Mar 10 08:17:41 EDT 2008 | smtnet51
I was never a big fan of inspection machines but we got a CKD machine in a couple of months ago and it's pretty impressive. Cycle time is faster than placement machines (in line) and so far has accurately called out issues. Bring one in and Demo on y