Electronics Forum | Fri Jun 23 10:01:35 EDT 2000 | Bob Willis
A couple of weeks back I produced a video clip for Metcal to show what happens when BGA pop or the edge of the base warps causing shorts to form. Its 2.3meg if there is enough interest in seeing this I will put it up some where for download. Bob Wil
Electronics Forum | Wed Dec 20 14:26:47 EST 2000 | Charles Harper
One of my chapter authors,Dr.Rolf Funer teaches a course specifically on evaluating and qualifying new PCB suppliers.Hence,he can give the best and most complete advice here.So,just click on his name in the list of chapter authors at the top of this
Electronics Forum | Sat Dec 04 10:12:55 EST 1999 | Michael Bryant
Bill, As Cunli said, there is a link at the top of each message page that will pop open a printer friendly version. Before we added that feature, the only solution was to print the page in landscape mode. The printer friendly version is not a fixed
Electronics Forum | Sat May 09 11:54:12 EDT 1998 | Bob Willis
All the comments that have been made a great but I do have to say that much of the problem comes back to the design engineers not designing for manufacture. Centre board supports would have sorted the problem without jigs. | | I am running a board t
Electronics Forum | Wed Jan 30 05:36:04 EST 2002 | vincent_f
Hello everybody, I would like to use PCB which have expired. I have already planned to bake them in order to avoid pop corn effect but I wonder about some few items : 1) How can I identify the optimal baking parameters ? 2) Even after baking, is the
Electronics Forum | Wed Jun 12 18:04:47 EDT 2002 | stownsend
Is this a new problem on an old product, or is this a first run? If this is a new problem on an old product, you may want to check the paste process. If the paste is not even across both pads or is offset a bit, the parts will pop up. If this is a f
Electronics Forum | Tue Oct 29 11:01:56 EST 2002 | yngwie
Ok..I will refer to the past thread myself....but, just an update, after getting the BGA rebaked ( as I didn't see an evidence from Production saying that they hv baked these batch of BGAs). The shorts are all gone. But one thing thou', if the proble
Electronics Forum | Wed Feb 19 20:52:49 EST 2003 | davef
Consider that: * Something may be wrong with your glue. [That you have globs of flat glue on your board seems to indicate that your glue is probably cured properly. How easy is it to "pop" components from the board?] * Someone has put a goopy crud o
Electronics Forum | Sat Jun 14 17:08:35 EDT 2003 | MA/NY DDave
Hi I don't see any answers so let me ask a question so even if I don't pop back in others will do their best. Is FPC (Flexible Printed Circuit) or is it something else. I only know cause I have been into that flexible circuits. YiEngr, MA/NY DDav
Electronics Forum | Wed Jan 07 12:18:37 EST 2004 | teamcanada
Standard boot sequence doesnt support proper power for vision. We boot up without power to camera amplifiers, turn on amplifiers post power up and vision is OK but Emergency Stop with Error Codes 9152 and 9154 pop up during production. Possible flaky
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