Electronics Forum | Mon Jan 30 16:30:55 EST 2006 | GS
Hi James, it could be the problem is due to residual of cleaner media entrapped under low gap of QFP 208 and 0,5 mm lead pitch. I remember in the past we had random problems of failure at test after board wash off process (DI Water wash). We met
Electronics Forum | Wed Feb 22 17:25:22 EST 2006 | darby
Tricky question. 1. If you are using fiducials on the snap-off areas then try and have the tab adjacent to these. 2. In many instances your tab locations will be determined by the case in which you are fitting the PCB. You don't want to be filing dow
Electronics Forum | Thu Mar 02 17:32:09 EST 2006 | sphilips
The initial cost of the battery is similar to saying the size of an iceberg is measured only by what shows above the waterline. There is a lot more to it than at first blush. The ECD Power Pack costs $245, but provides over 3500 hours of profiling.
Electronics Forum | Fri Apr 07 17:44:07 EDT 2006 | ratsalad
I still have half of a 500 g jar of this paste left. I'm going to give it another shot, but my first experience was not so wonderful. Everything was great until we reflowed it. Our profile matched AIM's recommendation, as far as I can see. The ch
Electronics Forum | Fri Apr 21 23:17:29 EDT 2006 | SD
Well, my first thought is that you need to consider lead-free rework. Depending on the alloy, some stations may not be able to reach the correct temperature. The best stations I have seen have a prism & shows both the pads and the BGA on a single v
Electronics Forum | Thu May 18 08:31:28 EDT 2006 | marc
Hi James Short answer... yes... long answer...impingement velocity is excellent for heat transfer but it also is a higher risk of moving components. Variable speed blowers allow you to reduce the speed / impingment and more than likly your compone
Electronics Forum | Mon May 29 04:02:51 EDT 2006 | vasily
Hi Efren Unfortunately I cannot say about prices, because I don't know them in your region. But I can offer you to consider the world-leader manufacturers of each type of equipment. I think you can obtain all information through their web-sites. We s
Electronics Forum | Mon Jun 05 14:01:48 EDT 2006 | Brian
I have used, Siemens, Juki, Fuji, Universal, and Assembleon. All of them can do the job, depending on the machine mix selected. I personally prefer MPM screenprinters, after using both DEK and MPM. BTU, Vitronics, Heller, and Ellectrovert all make
Electronics Forum | Tue May 30 13:50:40 EDT 2006 | Dragan
Hi, I ran into a problem and need a solution. It is a 3cm*4cm*1mm 2 layer PCB (6x6 panel) with a LQFP128 package Microcontroller, a resonator and 2 capacitors. What happens is: When i recieve the assembled pcbs from the assembly plant they wor
Electronics Forum | Tue May 30 17:17:08 EDT 2006 | Dragan
Hi, I ran into a problem and need a solution. It is a 3cm*4cm*1mm 2 layer PCB (6x6 panel) with a LQFP128 package Microcontroller, a resonator and 2 capacitors. What happens is: When i recieve the assembled pcbs from the assembly plant they wor
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