Electronics Forum: burnin solder (Page 1 of 3)

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

Burn-In Process

Electronics Forum | Wed Nov 03 04:50:05 EDT 2010 | jacki

Dear all is there anyone knew about burn-in process and what type of solder must be used for burn-in-board? And, what the maximum temp during burn-in process? Thanks in advance.

Motherboard become NO POST when humidity increase to 90%

Electronics Forum | Fri Nov 20 14:50:13 EST 2009 | davef

One of our instruments has a high impedance front-end. We: * Passed functional test in the environmentally controlled shop. * Failed test, on the same unit, while carrying it to burn-in chambers in an uncontrolled part of the plant. Solder flux resi

Re: Reflow Power Failure

Electronics Forum | Mon Nov 15 10:43:23 EST 1999 | Brian W.

I think the issue may be more than just the oven. I worked at a facility in Florida, where lightning strikes were common. We installed backup generators for the facility. Among the issues and costs we analyzed were: frequency of outages, boards i

High Temp (96/4) adhesive cure time/temp

Electronics Forum | Wed Feb 21 20:40:44 EST 2001 | jagman

I appreciate both of your responses. I spoke with a tech rep at a distributor of the Loctite 3609 and asked him if this adhesive can be cured using a bake oven (Blue M, Despatch, etc.), rather than convection/IR. He stated that he's never heard of

Printed Circuit Boards

Electronics Forum | Mon Oct 02 21:36:03 EDT 2006 | davef

All of us wave solder FR4 all day-long, not to say we have never had problems doing it. The selection of the laminate material should depend on the burnin application. We'd be concerned about a FR4 burnin board that saw GT 150*C for extended period

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