Electronics Forum: pcb burn (Page 1 of 12)

pcb laser markers

Electronics Forum | Mon Jul 12 14:00:37 EDT 2004 | blnorman

We've been using lasers to mark barcodes on our boards for some time now. We use a CO2 laser to burn through the solder mask on most of our boards. The machine is enclosed so the operators aren't exposed to the laser. The laser is also mounted on

pcb laser markers

Electronics Forum | Mon Jul 12 11:11:25 EDT 2004 | Stefan

For laser marking you don�t require as powerful lasers then for cutting. A 20 Watt laser diode does already a good job. Because of the safety requirements the laser operates in an enclosure, which means more $$$ if you want to use the laser in line

Hi anyone have recommended pcb manufacturer?

Electronics Forum | Wed Aug 02 01:09:33 EDT 2017 | heros_electronics

Hi anyone have recommended pcb manufacturer? My > require: quick delivery time; best > quality; affordable price; best service; PCB > Assembly provided recommend http://www.heros-electronics.com, which is a one-stop pcb and assembly manufacturer

Ghost circuit shorts under smt resisters only when they are located on solder side of pcb (glued down)

Electronics Forum | Fri Jul 23 14:07:52 EDT 1999 | Carl J. Odle

We are having a process related problem with pullup resistors on a controller card which has a I960 micro-processor. The controller monitors signal inputs and it's own resources then blinks a LED to indicate its working. The problem is that after a p

Re: Ghost circuit shorts under smt resisters only when they are located on solder side of pcb (glued down)

Electronics Forum | Sun Jul 25 08:54:37 EDT 1999 | Tom Gervascio

| We are having a process related problem with pullup resistors on a controller card which has a I960 micro-processor. | The controller monitors signal inputs and it's own resources then blinks a LED to indicate its working. The problem is that after

Re: Ghost circuit shorts under smt resisters only when they are located on solder side of pcb (glued down)

Electronics Forum | Fri Jul 30 09:43:44 EDT 1999 | C.K.

| We are having a process related problem with pullup resistors on a controller card which has a I960 micro-processor. | The controller monitors signal inputs and it's own resources then blinks a LED to indicate its working. The problem is that after

Re: Ghost circuit shorts under smt resisters only when they are located on solder side of pcb (glued down)

Electronics Forum | Mon Jul 26 10:25:12 EDT 1999 | Boca

| | We are having a process related problem with pullup resistors on a controller card which has a I960 micro-processor. | | The controller monitors signal inputs and it's own resources then blinks a LED to indicate its working. The problem is that a

Re: Ghost circuit shorts under smt resisters only when they are located on solder side of pcb (glued down)

Electronics Forum | Mon Jul 26 14:14:51 EDT 1999 | Steve Gregory

| | | We are having a process related problem with pullup resistors on a controller card which has a I960 micro-processor. | | | The controller monitors signal inputs and it's own resources then blinks a LED to indicate its working. The problem is th

Laser Depanelizers

Electronics Forum | Wed Oct 20 17:59:41 EDT 2004 | Grayman

Steve, I have also requirements for this machine. I was able to evaluate some of these machines but the result was not ok. It burn the PCB especially if you have 5mm thick PCB. If you can find one that doesn�t burn PCB please let me know as I am als

PCB Burned after reflow?

Electronics Forum | Mon Mar 02 15:07:28 EST 2009 | snsmt

Hello All, One of our operators recently placed a PCB inside our reflow and when the PCB came out, the board was dark green! My question is, what would determine if this board is acceptable or not? I tried searching it, but couldn't find a re

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