Electronics Forum | Wed Oct 07 18:45:09 EDT 1998 | Cunli Jia @ SMTnet
Larry, The PCBCE Mart on SMTnet is a place to buy and sell used PCB equipment. Please click the "PCBCE Mart" link on the left hand column of this page. If you would like to reach our complete list of equipment dealers (for example, to obtain their
Electronics Forum | Wed Aug 08 09:10:55 EDT 2012 | davef
The boards are being soldered in the wrong direction. Rotate them 90* and your problem will go away. To demonstrate this further, rotate the board 180* and observe that the problem moves to the opposite side of the connector. I assume that in the
Electronics Forum | Wed Sep 09 11:01:52 EDT 1998 | Kris Ewen
I'm looking for information from anyone who has been working with CCGA packages & has looked into the issue of repairing bent columns - the result of mishandling, rework or MPAV's dropping them and making you panic as all of the other components are
Electronics Forum | Wed Sep 09 11:20:32 EDT 1998 | Frank Johnson
I don't know HOW to straighten them beyond using tweezers (which squish the columns) or a thin strait-edge (which is difficult to manipulate between the columns). Is there a machine that can do this? Or a special hand tool? Kris, We make special ha
Electronics Forum | Thu Apr 22 10:56:16 EDT 2004 | tigerlordgm
I apologise for the bad info, I read off the wrong column. We use Zestron SD300 in the stencil washer, we use Zestron ED200 in other hand wash applications. Sorry for the confusion.
Electronics Forum | Tue Nov 01 15:26:43 EST 2005 | GS
Is it this your first experience of C-CGA RWK ? In order to approach a RWK of this kind of pakage it requires a capable process and clear operating procedure. In the past, the company who I use to work for, we rwkd plenty of this kind of CCGA. Earl
Electronics Forum | Thu Aug 24 16:29:56 EDT 2000 | Earl Moon
You are absurd. If you could answer even one of the questions I posed, I would give you a thimble of respect. I have nothing personal or monetary to gain. I have written more articles and column installments than you have read. I simply want to shar
Electronics Forum | Wed Jul 03 10:37:41 EDT 2013 | sara_pcb
My circuit board contains 11 x 11 matrix 1mm pitch BGA, The device was tested in socket on evaluation Board. We handed over the actual PCB & devices for re-flow. The assembly house first re-flowed all the SMT components other than BGA. BGA was placed
Electronics Forum | Fri Oct 19 17:41:21 EDT 2001 | Stefan
I used to love tweaking. I tweaked and tweaked until I got a master degree in tweaking. But than I had to teach others how to program a board and avoid tweaking. After all it does not go quite conform with ISO and other quality approaches. I investig
Electronics Forum | Sat May 30 18:09:17 EDT 1998 | Earl Moon
| Got handed an assignment for which I'm not totally qualified. Don't expect this forum to had me all the answers. Some answers are obvious as the device types are fairly self explanatory. | As everyone knows, IBM had problems with their ceramic BGA
winsouce.jpg)
.gif)
