Electronics Forum | Sat May 18 10:21:09 EDT 2013 | davef
isd.jww: Comments are: * Current thinking has flux volatiles being the major contributor to voiding, not scavanging by via * I have no reason to think that 0.3mm via won't gladly accept solder. Plug them, if that's a concern. * If your concern is ina
Electronics Forum | Sun May 19 23:38:57 EDT 2013 | shrikant_borkar
We are EMS. Later revisions and Other models are get Modified. Now we have some remain Stock of Pcbs abd there end also. We have taken trial with Reduction in Apparatuses. But even small amount of solder paste at thermal Pad is causing QFN lift up.
Electronics Forum | Wed May 22 19:47:30 EDT 2013 | anvil1021
Also, I was just thinking that most of the large companies we work with do not consider via drain an actual void. As a matter of fact our high dollar super fantastic Xray system actually has a switch to turn off the vias during void detection so that
Electronics Forum | Thu May 30 15:00:17 EDT 2013 | anvil1021
How is your DI system setup? What kind of cleaner system are you using? What were you expecting as far as length of use and cost of the DI beds? opne or closed loop? There are a ton of things you can do, its just a matter of what you are doing now an
Electronics Forum | Wed Jun 05 05:10:10 EDT 2013 | rollon65
Hi all. I already have a pair of Quad 4C Mk2 and purchased a Quad 4C Mk2 CE model secondhand. Some of the machine powers up but not the motor PCBs so the start up sequence stops after the nozzle changer operates with Motor Error #5 on the handheld.
Electronics Forum | Wed Jun 12 04:07:16 EDT 2013 | nguyenhuubay
We are using Unloader - Model: YM 12UL - Type: A90502-1-1 - S/N: 2C5820 Due to long power off the machine, the battery is run out of power. So the program stored in RAM of NAIS MICRO CONTROL UNIT FP-M C32T (AF12342) is erased. Originally, The machi
Electronics Forum | Wed Jun 12 08:01:04 EDT 2013 | mun4o
hi, i have problem with ceramic capacitor 10uF ±10% 16V X7R 1206.Problem is as follows:ICT ( Teradyne 8851 ) measured value 6 ?? 8uF ( about 70% of all lot).I decide that components ( samsung ) are defective.I buy one "type&reel" capacitors "Murata"
Electronics Forum | Thu Jun 13 08:46:20 EDT 2013 | markhoch
It sounds like they are referring to Low-Pressure molding, which was designed specifically to encapsulate electronics. I have seen some products that were processed on polymide flex, and then overmolded in this process. I would start by contacting "
Electronics Forum | Thu Jun 27 14:56:05 EDT 2013 | kdc45
Purchased 2 used Fuji CP43's and did not receive manuals with them. Have been using CP42 manuals to write procedures and looking for jigs for the vision systems to calibrate them. However, I cannot find the jigs with the part #'s that are in the CP42
Electronics Forum | Mon Jul 01 13:19:55 EDT 2013 | emeto
I always look for a toe fillet if the design allows you to. Many times the pad design is close or exactly the size of the leads which makes people to touch it up right away. I told them hundred times not to but...Luckily I have 3D x-ray and I can tel
