Electronics Forum: fluxing smt tht (Page 1 of 52)

process in smt

Electronics Forum | Sat Mar 28 03:26:59 EDT 2009 | gvkirubakaran

Dear sir, We are first time purchased in SMT machine and Through hole machines 1) Please suggest me, i will started the process in first the SMT process or the Axial machine and Radial machine process (THT Line) 2) i want SMT line process proced

Re: Wave soldering smt components

Electronics Forum | Fri Dec 17 03:38:53 EST 1999 | cklau

Hello Guys; I "ll like to add some comment on Mr John message , see below.. "Be sure that the components to be used on the bottom can take the maximum heat of the wave and the delta T of entering the wave."-John The required preheat temp , that i

in need of smt book

Electronics Forum | Thu Oct 21 13:20:12 EDT 1999 | jacob lacourse

I was hoping to find a book that delt primarily on solderability of different metals, fluxes that are compatible with certain pastes and anything else along those line.

Air Quality sensor for smt area

Electronics Forum | Tue Feb 07 11:55:27 EST 2023 | tommy_magyar

What I would look at is the chemicals being used in the facility where the complaints are. Flux/flux gel, IPA, cleaning agents, etc. Perhaps you should limit the usage to certain people only, who would be trained how to properly use these. Something

Re: smt reliability vs thru hole

Electronics Forum | Tue Jan 18 12:36:11 EST 2000 | Dave F

Dave: I haven't located something to support your contention, yet, and I'm not going to comment on the factors that drive reliability beyond component selection, because I know that you've got some sweaty-palmed sales type wringing his hands waiting

Bottomside smt falling off in wave in only voc-free flux

Electronics Forum | Mon Jun 14 11:44:10 EDT 1999 | Vince Gedgaudas

Has anyone had issues where bottomside double reflowed smt has fallen off in the wave when using voc-free flux? I have verified the hotter profile was not the issue by using an alcohol based flux with no problems.This voc-free flux is also not causin

Re: Bottomside smt falling off in wave in only voc-free flux

Electronics Forum | Tue Jun 15 12:03:27 EDT 1999 | Dave F

| Has anyone had issues where bottomside double reflowed smt has fallen off in the wave when using voc-free flux? I have verified the hotter profile was not the issue by using an alcohol based flux with no problems.This voc-free flux is also not caus

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

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

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