Electronics Forum: risk (Page 1 of 48)

how to avoid risk when buy used machine outisie your country?

Electronics Forum | Tue Jul 31 06:01:45 EDT 2012 | smtequips

hello everybody have you ever expericenced the risk when buy used smt machine from outside your country? Have you ever got the machine whose performance or function are not same as the descripted before?or you just got the scraps? Or you


Electronics Forum | Mon Jul 22 05:01:42 EDT 2002 | Comrade

Can anybody highlight the risks of implementing ACF bonding other than it is expensive and difficult to perform ??

Baking prior to conformal coat

Electronics Forum | Thu Jul 21 14:16:56 EDT 2005 | stepheniii

Tell them every action taken with the boards carries risk of damage. Process steps that don't do anything should be avoided because they carry the risk of causing defects. Even inspection causes the occasional defect, and board handling in general s

Blindage soldering

Electronics Forum | Thu Feb 08 08:25:57 EST 2007 | realchunks

Your risk is very high that the solder paste on the blind parts will dryout and hole the parts to the board but not actually reflow. They will pass electrical test but fall off in the real world. Blind soldering is a very high risk process.

How much capacitor offset is acceptable?

Electronics Forum | Sun Dec 17 23:53:08 EST 2006 | foolat

oh and i forgot, what's the risk/failures to the pcb board/unit if these specs are not followed?

Solder Balls

Electronics Forum | Mon Mar 30 17:09:22 EDT 2009 | padawanlinuxero

What risk I have if I left solder balls on some pcb?

solder alloy change

Electronics Forum | Fri Jan 18 12:25:46 EST 2013 | tombstonesmt

The risk is that your chemistry will be off.. Don't do it..

Juki Operator Maintenance

Electronics Forum | Fri Aug 23 09:02:07 EDT 2013 | emeto

I wouldn't let an operator to do maintenance. Even vacuum the machine has it's risks.

LED lifted soldering defect

Electronics Forum | Thu Dec 19 02:16:19 EST 2019 | sssamw

if use more aggressive paste,be careful risk of electro-chemical migration

PCBA IC Component rework

Electronics Forum | Tue Aug 31 09:33:17 EDT 2004 | russ

there is always risk in rework, multiple heat cycles, overall temp, physical damage, etc... As far as I know the risks are the same with a programmed part as with any other part. If there is great concern or multiple rework actions you may want to

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