Electronics Forum: reball (Page 31 of 31)

question about reflow- it it ever a long term solution?

Electronics Forum | Tue Jul 03 02:42:37 EDT 2012 | kq702

Hi I did a reflow on an HP laptop a while back- it was a DV6000 series. The original problem was the internet stopped working- turns out the south bridge chipset was causing the issue (its a very common issue I found out after searching online). Some

Part of PCB silkscreen turns yellow brownish

Electronics Forum | Thu Aug 28 23:15:44 EDT 2014 | phyllishwl

Hi all, Our production reported that they found 3 panels out of 53 panels with strange phenomenon after reflow. 1/ Blister / Delamination of PCB panels, 2pcs blister/delamination under solder mask, 1pc under Gold plating at Gold finger 2/ Silkscr

Lead trimming

Electronics Forum | Tue Jul 19 09:06:00 EDT 2016 | davef

We used to use those, back in the bad old times. basically, it's a router with a blade on it that is used to trim the leads of PTH components that are mounted on boards. Nasty process. Difficult to control. Messy, firing cut leads all over the plac

Re: BGA rework : IR or convection

Electronics Forum | Wed May 19 10:48:40 EDT 1999 | Glenn Robertson

| | | We are currently looking at purchasing some BGA rework equipment. Could someone give us the pro's and cons of IR heating (top/bottom)vs. hot air convection ? | | | All other tips are also welcome. | | | | | | Thanks | | | | | Philip, | | I ha

Re: Is it possible to rework this BGA socket?

Electronics Forum | Wed Jan 06 21:17:31 EST 1999 | Dave F

| Hey All you Einsteins out there!! | | I gotta' problem...('course you do Steve, or you wouldn't be bugging the TechNet now would you?) I had a phone call from a acquaintance of mine wanting to bring two prototype boards over to rework a BGA socket

Re: Is it possible to rework this BGA socket?

Electronics Forum | Wed Jan 06 21:56:37 EST 1999 | Steve Gregory

| Youse: This is SMTnet Steve. Sacrifice the socket. By the time you finish putzing-around removing the balls to get the socket off the board, replacing the lifted pads on the board, and reballing the socket; you've burnt the $100 that the socket

Re: Is it possible to rework this BGA socket?

Electronics Forum | Wed Jan 06 23:01:48 EST 1999 | Dave F

| | Youse: This is SMTnet Steve. Sacrifice the socket. By the time you finish putzing-around removing the balls to get the socket off the board, replacing the lifted pads on the board, and reballing the socket; you've burnt the $100 that the socke


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