Electronics Forum: diode and crack (Page 3 of 7)

Re: BGA and Gold Boards

Electronics Forum | Wed Jun 24 16:23:29 EDT 1998 | Justin Medernach

| Has anyone had experience with placing BGA on gold plated boards. I thought I read a while ago there was a problem with embrittlment causing cracked joints. If anyone has experience with this your feedback would be great. | Mike Mike, Your concer

Re: BGA and Gold Boards

Electronics Forum | Thu Jun 25 09:53:04 EDT 1998 | Earl Moon

| | Has anyone had experience with placing BGA on gold plated boards. I thought I read a while ago there was a problem with embrittlment causing cracked joints. If anyone has experience with this your feedback would be great. | | Mike | Mike, | You

Re: BGA and Gold Boards

Electronics Forum | Fri Jun 19 13:40:25 EDT 1998 | Terry Burnette

| Has anyone had experience with placing BGA on gold plated boards. I thought I read a while ago there was a problem with embrittlment causing cracked joints. If anyone has experience with this your feedback would be great. | Mike There has been a

ICT and specifying PCBA testing

Electronics Forum | Mon Mar 29 12:10:14 EDT 2010 | rway

Test Jet will work for catching lifted leads, certainly. X-ray is the only thing for testing for internal solder defects such as voids and cracks. I personally do not have any experience using X-ray, so I cannot advise on its reliability. Perhaps

Re: BGA and Gold Boards

Electronics Forum | Fri Jun 19 14:25:24 EDT 1998 | Earl Moon

| | Has anyone had experience with placing BGA on gold plated boards. I thought I read a while ago there was a problem with embrittlment causing cracked joints. If anyone has experience with this your feedback would be great. | | Mike | There has b

Re: BGA and Gold Boards

Electronics Forum | Fri Jun 19 10:03:46 EDT 1998 | Earl Moon

| Has anyone had experience with placing BGA on gold plated boards. I thought I read a while ago there was a problem with embrittlment causing cracked joints. If anyone has experience with this your feedback would be great. | Mike Mike, We and ind

The truth about lead-free and environment

Electronics Forum | Fri Mar 24 12:16:37 EST 2006 | patrickbruneel

Darn Rob you're brilliant You just solved the dilemma of micro cracks and hot tear in lead free, just add a softer metal like.....and the joints won't crack. You wrote "BTW: Lead is far softer & dissolves far more easily than copper or tin, hence wh

warped boards and cracked solder joints

Electronics Forum | Mon Oct 29 18:21:43 EST 2001 | slthomas

We recently have received a lot of warped (bowed and/or twisted behond IPC 600 specs.) bare boards (some our fabricator's fault, some ours by design) and I can't help but figure that long term reliability will suffer when building product with them.

Mydata (MY12) error-Frame Grab and Light Curtain

Electronics Forum | Sat Oct 03 07:26:01 EDT 2009 | cflames17

Check the reference plate on the hydra to make sure it is not cracked or delaminated. I have had problems with the glue coming loose and the plate flapping causing this same problem. check hydra camera calibrations, this to may help.

Counting cut tape and partial reels

Electronics Forum | Thu Mar 18 19:53:29 EDT 2021 | lhd_qa

Hello everyone. I am new to the forum so I am sorry if this has been asked before. Does anyone have any suggestions for counting partial reels and cut tape? We are a distributor and for our ecommerce PDC we keep having quantity issues. Currently, we


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