Electronics Forum | Tue Apr 05 03:44:36 EDT 2011 | don7888
Hi Recently I have been set the task of increasing the amount of time our pick and place machines (Mirae MPS-1025P) are running for. I am fairly new to CEM and have found that the main reason the machines are offline for so long is that the operator
Electronics Forum | Tue Jun 11 22:06:06 EDT 2002 | scottxiao
I encounter the problem, it is easy for pad(copper) to drop off from the PCB, which is Ni/Au finish. so my question is whether there is any specification about the force between pad and laminate material, and does the PCB corpoartion test this parame
Electronics Forum | Wed Aug 19 12:20:24 EDT 1998 | MARK J.
| Hi there, | I'm actually facing a lot of trouble with PCB's presenting up to 3mm of bow /twist at reception i.e. before assembly. The PCB size is 220 by 230mm. The boards are to be assembeled SMD double sides with 05.mm pitch on both sides. In orde
Electronics Forum | Wed Sep 26 10:05:41 EDT 2012 | testbloke
Although we do not have any soldering issues with our OSP PCB's, I am trying to establish clear rules with regards pcb storage and shelf life. Our PCB's are supplied in metalised moisture barrier bags but without desicant, our current rules as follow
Electronics Forum | Sun Jan 13 19:44:02 EST 2008 | grantp
Hi, We need to solder a USB plug onto a PCB in our SMT machines, and this is the same type of plug you see on USB storage devices. It's a very flat connector with 4 SMT pins, however the hard part is the bottom of the connectors is the same level
Electronics Forum | Tue Feb 02 11:07:36 EST 1999 | justin.medernach@flextronics.com
| Greetings, | | We are discussing what should and what should not be baked and vacuum packed. Should we just concentrate on the fine pitch packages and the bga's? | What about those components which come on blister tape, should they get baked and r
Electronics Forum | Thu Mar 12 06:37:48 EDT 2009 | gregoryyork
I agree you are too cold for the profile get it up to 230C and possibly allow it to dwell a little longer in preheat as opposed to pushing up the reflow zone only. Sn90/Pb10 melts at 220C so 2C hotter than your profile so you are reliant on it alloyi
Electronics Forum | Tue Jul 18 03:11:48 EDT 2017 | tsvetan
I recently bought: PCB Loader, Full Automatic Printer with vision with 10 seconds print time, 1 meter Inspection Conveyor, Samsung SM482+Feeders, 1 meter Inspection conveyor, Reflow oven for similar budged, all machines new. I bought them directl
Electronics Forum | Fri Jun 08 17:22:51 EDT 2007 | naynayno
We have been producing an IMS assembly with SMT dpak's for some time. However, we recently encountered a new problem by chance - the parts can be flicked off with a finger nail. I state by chance because the solder joints are wetted and shiny with
Electronics Forum | Tue Apr 05 10:36:24 EDT 2011 | frcdave
Hi Don, The YESTech B3 can be used post placement very easily. I would suggest contacting their service team, they could walk you through the process quickly. You are actually very close to being able use it now in that capacity since you have the i
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