Electronics Forum: bad pad plating (Page 1 of 95)

solder pad with nickel plating

Electronics Forum | Wed May 11 13:27:30 EDT 2005 | Sam Ho

i want to know which type of solder paste and reflow profile can support the solder pad with nickel but not covered gold on the pcb.

solder pad with nickel plating

Electronics Forum | Wed May 11 13:50:30 EDT 2005 | russ

I would contact your paste supplier, bare nickel can be impossible to wet to. How oxidized is it?

solder pad with nickel plating

Electronics Forum | Thu May 12 07:54:37 EDT 2005 | Rob

We talked about something similar here: http://www.smtnet.com//forums/index.cfm?fuseaction=view_thread&CFApp=1&Thread_ID=8051&#Message31805

pcb plating

Electronics Forum | Fri Jun 14 14:30:36 EDT 2002 | davef

Assuming you are talking about solderable surfaces: People specify various materials to protect the solderability of the pads on the board. Gold, actually, Electroless Nickel - Immersion Gold [ENIG], is popular. * Board fabricators like it because

Black pad defect

Electronics Forum | Wed Feb 12 17:41:18 EST 2003 | MA/NY DDave

Hi, Gee David F is as bad or as good as me on a bad day. Boy can I get mad... "new information" Many of these defects have been around so dang long and seem to get recycled as the latest rage and the newest of new information in technical articles

Thermal Relief Pad causes bad solder

Electronics Forum | Thu Aug 18 00:19:09 EDT 2016 | souldierann

Hi there. would it be possible that thermal relief pads for relay bring bad solder?

Thermal Relief Pad causes bad solder

Electronics Forum | Fri Sep 09 05:32:11 EDT 2016 | jasltd

Are your solder relief pads connected to anything in terms of ground planes that would increase the thermal load or are they floating copper? I take it your talking about wave solder relief pads?

Thermal Relief Pad causes bad solder

Electronics Forum | Thu Aug 18 12:18:44 EDT 2016 | horchak

Yep

Thermal Relief Pad causes bad solder

Electronics Forum | Thu Aug 18 20:10:06 EDT 2016 | souldierann

Hi SweetOldBob, how did you say then?

SMT chip processing short-circuit bad phenomenon

Electronics Forum | Thu Oct 27 06:36:33 EDT 2022 | richardcargill

The PCB needs to have a flat finish to the pads too - HASL finished boards don't work well with fine pitched ICs/QFNs etc

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