Electronics Forum | Mon Jun 08 13:26:59 EDT 1998 | D.Hammond
I work QA at an OEM in Alberta, Canada. I saw earlier posts on the smtnet regarding PCB haloing criteria. I am currently in a dispute with my PCB vendor over the acceptability of haloing (delamination) around plated through holes and vias on a lot of
Electronics Forum | Thu Sep 02 10:50:21 EDT 2010 | eezday
I'm bringing a GSM-1 machine at a university back to operational condition. I have a project created and I'm experiencing that when it's loaded the PWC goes to a location that is about two inches too narrow. When the PWC is manually told to go to a
Electronics Forum | Wed Nov 12 06:23:09 EST 2008 | griffin
One thing to consider regarding the capacitor, The leads are not 100% straight beneath the plastic bottom part. And if you align with regards to the two leads, the leads will be aligned to the pads of your board, but the body of the capacitor is look
Electronics Forum | Tue Dec 18 07:49:01 EST 2012 | markhoch
You can also look to remove the silkscreen layer. Components on an assembly of this size can be easily identified with a seperate Assembly Drawing. But I'd also look to incorporate polarity indicators into the copper layers. That way you wouldn't ne
Electronics Forum | Fri May 28 13:44:15 EDT 2010 | emrtech
good point Sibbe, we also do a lot of engineering and changes from rev and having to order a new screen very time is a pain and money spent. no more having to wait for a screen to keep production running. has anyone been working with a solder jet pri
Electronics Forum | Tue Nov 13 11:50:56 EST 2001 | mparker
Maybe Prof. Whoopee will have to take out the 3 D BB and draw us a picture.
Electronics Forum | Thu Feb 14 13:06:54 EST 2019 | compit
What is the best way to introduce a choke like from a drawing? Emerald often misunderstands the number of pins - pads have an irregular shape. Also with the lifting is a problem - for the nozzle 63 is too heavy and rotates when moving, the nozzle 64
Electronics Forum | Fri Sep 13 13:43:48 EDT 2002 | barryg
You right Simon, this forum is not for that type of question, but since you have been polite and desperate, i'll shoot some help. Your right, sounds like it is the unit, there is probably a component failed that is shutting down the unit when it gets
Electronics Forum | Wed Apr 13 08:01:32 EDT 2005 | Bryan
Can you please decrease the ramp rate of your reflow profile?In my opion,if you heat the pin too fast,the solder will drop for the gravity and the cappilary force can't draw it back.On the row with much heatsink,this issue won't happen,that's the rea
Electronics Forum | Fri Jun 09 15:41:59 EDT 2006 | shawnvike
That is the problem I am having! Except with 3 separate manufacturers. To answer some of the other questions... Baking - diligence Stencil - as far as we can tell it is good Placement is good We are using Pb-free parts and solder, but I have see
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