345 ipc class 3 design results

Electronics Forum: ipc class 3 design (Page 8 of 35)

What standards should electronic manufacturing meet?

Electronics Forum | Fri Mar 19 09:48:02 EST 2004 | Patticake

I have a similar question. What are the major differences between J-std-001 and IPC 610 class 3 ?

HASL on Pads

Electronics Forum | Mon Jun 14 16:49:08 EDT 2004 | Dreamsniper

Can I manually tin them with solder specially the BGA's. Will that improve the solderability? What about corrosion of the copper? will it be prevented with the above process considering that after tinning of solder the solderability became acceptable

Undersized Land Width from PCB Fab - Help!

Electronics Forum | Tue Nov 09 15:09:50 EST 2004 | Dreamsniper

IPC Class 1, 2 & 3 do not require side fillets. I think this statement is correct. But they define what is acceptable end joint widt and side over hang. regards,

Reflow Problems

Electronics Forum | Fri Jan 19 02:03:09 EST 2007 | lococost

As a sidenote, if nothing of the above works, IPC 610 states that it is accetable (class 1,2,3) for solder to touch a SOT body if it is plastic.

Socket in wave soldering

Electronics Forum | Mon Mar 01 11:56:51 EST 2010 | pjc

Your IPC-610 workmanship manual will have the answer for you (I don't have the latest at my fingertips). Depends on what class you are building too, 1, 2 or 3 and the application of this connector on the product- which you must determine.

MQFP soldering issues - how can I improve?

Electronics Forum | Fri Aug 19 07:40:24 EDT 2011 | scottp

What do the heel fillets look like and what level of IPC-610 (class 1,2, or 3) are you working to? Do the joints on all 4 sides look bad or just the one side? Do other parts on the board look OK?

Soldering Specification Needed

Electronics Forum | Fri Sep 23 10:34:41 EDT 2011 | blnorman

IPC-A-610E "Acceptability of Electronic Assemblies" addresses this specific issue as well as most others. This issue would be to what class (1, 2, or 3) your assemblies would be governed by.

screen thickness

Electronics Forum | Fri Jan 27 07:30:54 EST 2012 | scottp

We're in the high rel market and use a lot of 5 mil stencils. They give plenty of paste to meet IPC class 3 and survive over 1000 cycles of -40/+125C thermal cycle testing.