Electronics Forum: board (Page 311 of 1638)

QFP144 soldering problem

Electronics Forum | Fri Sep 14 14:20:23 EDT 2007 | sjcdcheu

What is the surface finished of your board and what is the peak temp at your solder joint?

Cleanning no clean residu

Electronics Forum | Fri Oct 19 11:51:25 EDT 2007 | rgduval

By definition, no clean solder can be not-cleaned. The solder/flux are formulated to result in low ionic-contamination, hence, no cleaning. I have, however, always had at least one customer that requests their no-clean solder get cleaned. No-clean

BGA Reflow Profile

Electronics Forum | Tue Oct 30 10:30:24 EDT 2007 | wayne123

how many layer board is it? what kinda temperatures is your oven currently hitting. In our reflow oven I have been using a profile that is the same for the top and bottom at zone 1 111C zone 2 at 164C zone 3 at 161C zone 4 at 208C and zone 5 at 2

BGA Reflow Profile

Electronics Forum | Thu Nov 01 22:04:51 EDT 2007 | davef

How does the delta T on the board relate to the delta T on the component?

RF BOARD + SOLDER PASTE TYPE PROBLEM

Electronics Forum | Thu Nov 08 08:17:46 EST 2007 | hussman

No. Leave your desk. Go get your hands dirty.

PCB Through Hole Size for Lead Free

Electronics Forum | Fri Nov 09 10:49:09 EST 2007 | hussman

Try raising the part off the board a little. I bet this will help.

Board support

Electronics Forum | Thu Nov 08 08:33:19 EST 2007 | aj

Can these be used on Dek printers ? aj...

Board support

Electronics Forum | Fri Nov 09 01:45:17 EST 2007 | jola

Thanks for that, now I have some more targets on Productronica next week. Regards Joakim.

Board support

Electronics Forum | Fri Nov 09 10:01:58 EST 2007 | shrek

What's wrong with being a fat bastard, me lad?

Board support

Electronics Forum | Fri Nov 09 14:15:35 EST 2007 | chineechooze

in my ledership semnar they talk about the sipport I set in the plosh office to


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