Electronics Forum | Fri Jul 10 07:34:00 EDT 2020 | elijah
From the poor bonding strength of the board, the surface quality problems of the board are divided into: 1. The cleanliness of the board surface; 2. The problem of micro graphite (or surface energy) on the surface. PCB circuit board proofing Youke bo
Electronics Forum | Fri Sep 13 14:33:32 EDT 2002 | Simon
Thanks to all of you. This is very kind. I'll have a good poke around the circuit board for loose / hot components - good tips. I think it might be a throw away job, but I thought I'd give it a last try. You guys have actually given me much more
Electronics Forum | Fri Sep 13 13:26:34 EDT 2002 | dougt
If it's not blowing the fuse in the car then I guess it wasn't drawing a huge amount of current. Check the power wires going into the radio and look for something loose. My first guess is your loosing voltage across a bad connection somewhere and a
Electronics Forum | Mon Sep 16 12:56:56 EDT 2002 | dragonslayr
simon- davef is on the right track. 1st year electronics courses teaches us that you should always check the power supply first. In this case, the power supply in question is not your power source but the regulated power within the unit. I suspect o
Electronics Forum | Fri Jul 07 11:06:44 EDT 2000 | John O'Brien
You ought to consider Data Matrix directly marked on the boards It can be done with laser, inkjet, or other permanent marking methods. Never falls off, can be read even if 30% is obliterated. For an example, check any AMD (K6, K7) or Intel Pentium c
Electronics Forum | Mon Jul 03 14:47:35 EDT 2000 | Ashok Dhawan
In a typical flowline assembly of circuit boards, what are the different methods used for tracking WIP ? I can think of : 1. travel cards - not suitable for panelised boards 2. Marking ID# on board at various operations while board is being built.
Electronics Forum | Mon Jul 03 17:12:49 EDT 2000 | Ramon I Garcia C
Hi!!! I think, you should visit www.enthone.com this it's the internet place of an inks company named Polyclad Technologies. I hope this information can help you...
Electronics Forum | Wed Jul 05 17:12:28 EDT 2000 | Michael Parker
Ashok- Rather than ink, consider using a paint marker. This is much more permanent (not easily removed with alcohol), is easily applied, comes in a "pen" like magic markers. Many pen tips available and a large choice of colors too. The down side is
Electronics Forum | Sun Apr 28 07:34:34 EDT 2002 | hany_khoga
Dear Tom : I hope I �m not too late. We produce PC motherboards with some buses exceeding the speed of 100MHz . we use no clean flux and it is OK even with the residues you can see under a microscope. But according to our own experience through a mo
Electronics Forum | Wed Aug 25 00:10:13 EDT 2021 | sarason
The company that does this is McDermid. There are multiple different ways of doing it. Screen print silver paste onto the mylar, "activate" the film to be conductive, then plate in copper. These processes are found in the patent literature which is e
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