Electronics Forum | Tue Apr 29 12:35:03 EDT 2003 | stepheno
Different viruses have different lifespans outside the host. HIV is something like a few seconds. The flu is something like 12 hours. Sars is something like 24 hrs. There are a lot more deadlier deseases. I think you would have a much greater chance
Electronics Forum | Fri Jun 11 03:50:39 EDT 2004 | Scott B
We currently have an issue with via's in pads which we have been living with for some time. The problem has now escalated with the need to increase the via hole size to achieve PCB fabricators aspect ratio's. We are now not only experiencing solder d
Electronics Forum | Wed Jan 06 01:43:27 EST 2010 | oddbudman
Hello, we have recently had some products returned (they were installed and operating in the field for around 2 months before they were returned). After looking at the boards it seems the vias have failed. We now have 2 pc pcbs with the same Via fa
Electronics Forum | Wed Dec 08 09:53:23 EST 2010 | fönsi
Hello Because of the cold weather, we had some troubles with drying out of printed solder paste on the pcb's. The relative humidity in the air declined below of 20%. We have a process window of store the printed board for maximum 24 hours, but with
Electronics Forum | Fri Sep 13 06:18:55 EDT 2002 | yngwie
Here's a long survey....Pls help. 1) What is the general feel for via in pad for upcoming designs? - complete Via in pad - partial encroachment - via partially in pad 2) What are the manufacturing bare PCB's related concerns, issues and possible dr
Electronics Forum | Fri Jul 04 21:09:04 EDT 2003 | ramanandkini
I have a CEM-1 PCB board with 35 microns copper. This is PCB is finished with SMOBC+HALS. We do solder SMT LEDs, but till date we do not have problems that you have listed. The LEDs are good & bright. It even passed high & low temp cycle tests (-40 t
Electronics Forum | Sat Jul 22 13:20:35 EDT 2023 | shrikant_borkar
Dear Abhishek, I too got the opportunity to investigate this defect Lift lead for SOT. Lead lift in IC, and SOT can occur due to various reasons. Here are some possible reasons for lead lift and ways to avoid them: During the assembly process, mecha
Electronics Forum | Fri Apr 20 11:07:52 EDT 2001 | kawiederhold
Hi Dave, Good to "talk" to ya again!! I have attached a photo of the antenna. Hopefully it will work its way through the system. The pictured antenna meets all our criteria. The defective antennae all seem to slide toward the center of the PCB (
Electronics Forum | Tue Mar 17 09:06:25 EST 1998 | Justin Medernach
| | Hi all, | I would like to have some information regarding the paste in holes process.We are the Backplane manufacturing and dealing with lots of thick PCB and would like to change the processes from wave to paste in hole.Any feed back of info
Electronics Forum | Sat Aug 10 06:38:25 EDT 2002 | jojojameson
Dear Freinds, We are having 18000 sqfeet airconditioned space for pcb contract manufacturing.We had chipschooters,through hole machines & fine pitch placement machines with international standard.In addtion we had clean rooms & wire bond facilities.W
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