Electronics Forum: attached (Page 1 of 156)

PCB Surface Question - Picture attached

Electronics Forum | Wed Mar 24 01:22:38 EDT 2010 | itzikbs

These boards had solder mask issues, where manufecter took the boards and said he will rework them. All boards has the same problems as in the picture attached. We rejected the boards, but still I appriciate an explanation what can go wrong if I us

PCB Surface Question - Picture attached

Electronics Forum | Wed Mar 24 01:17:11 EDT 2010 | itzikbs

Thanks for the detalied answer

PCB Surface Question - Picture attached

Electronics Forum | Sun Mar 21 08:09:40 EDT 2010 | itzikbs

During PCB bare board inspection we found some deformation on the PCB surface. I appriciate any comment, whom can explain if the boards are problematic or not and whay may casue this phenomena

PCB Surface Question - Picture attached

Electronics Forum | Wed Mar 24 00:03:20 EDT 2010 | boardhouse

Hi Itzik, it looks like you receive a board from your manufacture that they did solder mask rework on. it looks like they stripped tried to strip the mask off the board. Was this the only board that was like this or did the whole order look like th

PCB Surface Question - Picture attached

Electronics Forum | Thu Mar 25 14:30:29 EDT 2010 | boardhouse

I would not use the product. Solder balls on a massive scale would be one issue due to all the exposed copper. Throw them out, it will be cheaper and less of a headache. I would also question your board shops quality control or lack of for letting

PCB Surface Question - Picture attached

Electronics Forum | Tue Mar 23 14:08:57 EDT 2010 | davef

You have what looks to be blisters/delamination. Use IPC-A-600F as a guideline for acceptance. Usually, we start from the opinion that blisters/delamination as a fabrication issue, even if it appears during solder processing. Often blisters/delam

Crystalized Flux under BGA

Electronics Forum | Thu Aug 05 08:27:44 EDT 2004 | arminski

Hi davef, Can't attach pix. No attachment option.

thermocouple attachment solder

Electronics Forum | Mon Nov 05 10:25:19 EST 2007 | slthomas

I always do tc attachment myself. I need these people not to hate me. :/

Monte Generoso board

Electronics Forum | Tue Aug 27 08:33:04 EDT 2013 | davef

When I clicked on "attachment" a new page with a box for adding attachments appeared. Try again???

solder ball attachment machines

Electronics Forum | Mon Nov 15 14:24:17 EST 2004 | nrocco

Im looking for equipment that can attach solder balls between the size 15-25 mils to the leads of a land grid array. There is also the posibility of attaching balls before leads are inserted into the socket. This is a little differant than attaching

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