Electronics Forum | Thu Apr 23 18:40:35 EDT 2009 | nickh
Do any of you fine people have any suggestions on how to align the Fuji CP3 tape leaf sensor? The little mirrors are out of alignment, any ideas how to get them back? Thanks!
Electronics Forum | Mon Apr 27 02:44:07 EDT 2009 | michafogel
Can someone point me to a standard, if there is any, or design rule regards with preffared spacing between PTH and SMT pads for LF wave soldering process (SAC alloy)
Electronics Forum | Tue Apr 28 04:07:56 EDT 2009 | davepick
There's a nice tool on this site - http://www.enhancetechnical.co.uk/ Click on Internet Tools and then the image - brings up a useful interactive tools which helps understand influences on wave solder bridges. Dave
Electronics Forum | Tue Apr 28 07:45:07 EDT 2009 | davef
When using high tin solder, doesn't proper specing to avoid the effects of tin whiskers become at least as large an issue as proper specing for defect-free wave solder processing?
Electronics Forum | Wed Apr 29 04:57:08 EDT 2009 | davepick
It depends on the application what will be considered the biggest issue to avoid (production or longterm reliability). Tin Whiskers are bit of an unknown quantity - but a more realistic problem could be dendritic growth / electromigration forming sho
Electronics Forum | Wed Apr 29 16:13:53 EDT 2009 | jimmyboz
Hit the help key while cursored on that category,(televideo monitor) if the sticker wore off, its one of the keys in the upper right, below the the F keys, above the number key pad, let me know if you got it.
Electronics Forum | Wed Apr 29 01:38:38 EDT 2009 | nibirta
already did this test. No solder balls. i have printed the pads without the component. No solder balls. Only with the component. The problem is, it splashing the around components. solder balls wew found on the body of a connector and on top of it. T
Electronics Forum | Wed Apr 29 08:55:49 EDT 2009 | nibirta
was the first thing we did. No improvements. In the meanwhile we have change the lot of the components. and it seems that there is humidity absorbed by the components. we are cooking now the lot and waiting for improvemnets. thk u for the support
Electronics Forum | Tue May 05 11:08:43 EDT 2009 | timo
Check out the attached and compare your issue w/ the issue in the attached. If it's 'beading' versus 'balling' - check thru the punch list and if you've addressed all those potential causes - then it may be paste specific. The Sn/Ag alloy choice is
Electronics Forum | Thu Apr 30 08:38:39 EDT 2009 | kpm135
Actually most over the counter masks don't work very well as the virus is so tiny it goes right through when you breath or cough. I guess they make people feel better though. The rest of your advice is quite good though.
.gif)
