Electronics Forum: cleaned (Page 381 of 602)

Washing Screens - Foam Everywhere, Help!

Electronics Forum | Fri Nov 18 09:21:41 EST 2016 | sumote

Lazy operators empowered by management. Sounds like you may have some nepotism? Since it falls to you to clean up someone else’s mess I have an idea for you. I once worked for a company that had a large wash sink with a hand sprayer very similar to

Type 4 powder

Electronics Forum | Thu Jul 25 12:25:54 EDT 2019 | davef

In “J-STD-001 Rev G Amendment 1 Process Qualification” Debbie Carboni, Global Product Line Manager, KYZEN Corp, Nashville, TN said: What change constitutes a need for requalification? Major/ Level 1 – Flux or flux-bearing materials (e.g. flux, so

Wave soldering - black residue / bridging

Electronics Forum | Fri Dec 27 12:42:36 EST 2019 | rgduval

In your video, it looks to me as though the bottom of the glass is too low, but, I can't tell for certain. As a general rule, keep the top of the wave no higher than the mid-point of the PCB. Top flow will take care of itself thanks to flux and cap

Replacement valves for Emerald x / YV88X

Electronics Forum | Tue May 18 09:58:17 EDT 2021 | kumarb

Thank you so much for the advice. We were suspecting blockage but know that we have clean nozzles. Did the air blow out and removed a spot of black matter - perhaps what was an old o-ring? Nozzles are 61 and 62 posing the issue. Our tech said that 64

Re: Tape residue cleaner

Electronics Forum | Fri Apr 07 17:17:55 EDT 2000 | Dave F

Ashok: You should select and use low residue tapes. But ya know, ya go out and research a great tape and if yer not careful, the buyer will second source ya and (surprise) ya got residues again. We have found that Lemme say this about Katon tape

Re: water soluable or no clean flux?

Electronics Forum | Mon Sep 20 17:20:08 EDT 1999 | Earl Moon

| | Hi all, | | | | We have a little discussion here about the suitable flux for a certain process, as all of us are beginners we need your advice. | | | | We are producing VGA cards and mother boards for PC's all components to be wave soldered are

Re: water soluable or no clean flux?

Electronics Forum | Mon Sep 20 17:36:46 EDT 1999 | Dave F

| | | Hi all, | | | | | | We have a little discussion here about the suitable flux for a certain process, as all of us are beginners we need your advice. | | | | | | We are producing VGA cards and mother boards for PC's all components to be wave so

Re: 20 mil qfp bridging

Electronics Forum | Fri Aug 13 13:50:53 EDT 1999 | Brian Wycoff

| | | | | | Hello | | | | | | | | | | | | Having a problem with bridging on 20mil pitch qfp, only on the lead groups where squeegee goes over width of apertures. Using MPM sp-200 semi-auto, chem-etch stencil, 9-10mil width opening | | | | | | 100 du

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


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