Electronics Forum | Thu May 20 19:11:48 EDT 1999 | Earl Moon
| | hello...can somebody help me regarding the POPCORN at Reflow. What is this POPCORN at reflow, what it looks like, its cause and corrective action if there is... | | | | your help is greatly appreciated...thanks | | | | omat marasigan | | | Deo
Electronics Forum | Tue Aug 07 20:51:43 EDT 2001 | davef
Sowaza BIC? Ru the ball point pen people? Know no sites, like thet, but let�s see what we can do here. Wedabomb. First, rather than defining the controls your suppliers must use to produce your product, why not specify a DPMO rate er suppin like t
Electronics Forum | Sat Jun 30 11:28:24 EDT 2001 | davef
Consider using a roll solder with a flux that well matches the residues you can accept to be remaining on the board when you get finished processing. Many people use a no-clean flux cored roll solder for such operations, because they don't want to c
Electronics Forum | Wed Jul 28 16:48:13 EDT 1999 | Earl Moon
| | Yeh Dan, | | | Bought one of those DEK/Universal 265's awhile back. Swear it went faster with their name on it. Never done AMI. What's it all about? | | | Earl Moon | | Hello Earl! | | I have spoken to AMI a couple times while trying to do so
Electronics Forum | Wed Mar 24 08:48:47 EST 1999 | Dave F
| I WORK FOR A SMALL TO MID-SIZE CONTRACT ASSEMBLY HOUSE. WE ARE TRYING TO FIND ANY SURVEYS OR STUDIES DONE ON THE USE OF BGA'S BY COMPANIES ON NEW DESIGNS. THE WAY EVERYBODY'S ALWAYS TALKING ABOUT BGA'S YOU WOULD THINK THAT THERE WILL BE NOTHING E
Electronics Forum | Tue Aug 10 16:55:19 EDT 2004 | mriddle
RS, It seems you've been doing your homework. However, the real question is what do you need to do with AOI? 1) What is your minimum cycle time? This would help you to determine the speed you need and whether "scan on the fly" is warranted. Also,
Electronics Forum | Fri May 09 00:59:36 EDT 2003 | kenBliss
Hi HERMAN I did not see any financial opinions so I thought I would offer one. The goal of the company is to make money, how you achieve that has many variables. Buying new equipment when the existing will do the job costs big money, provided the
Electronics Forum | Sat Oct 17 10:24:12 EDT 1998 | smd
| | | | | | | It seems like most people want to X-Ray their BGAs. We're going to start doing a lot more of them and need to consider X-ray, too. | | | | | | | Q: Do most people/companies X-ray everyBGA or do they just do SPC? | | | | | | | Q: Can yo
Electronics Forum | Tue May 26 17:29:42 EDT 1998 | Earl Moon
| I know, I've read the "been there done that" stories about this subject, but I still profess ignorance on some aspects. | We are using NPO type dialectric caps in potted high voltage assemblies and continue to experience catastrophic vailures. U
Electronics Forum | Fri Oct 16 07:33:01 EDT 1998 | smd
| | | | | It seems like most people want to X-Ray their BGAs. We're going to start doing a lot more of them and need to consider X-ray, too. | | | | | Q: Do most people/companies X-ray everyBGA or do they just do SPC? | | | | | Q: Can you get away w
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