Electronics Forum: coffee (Page 2 of 5)

Where's The Drill?

Electronics Forum | Fri Nov 16 14:10:01 EST 2001 | mparker

I have oftened wondered how this industry lets its workers get away from being responsible. The best way I know of is to have them buy their own tools. Just take a look at the trades - carpenters, plumbers, welders, sheet metal men, body repair, mech

Coatings to prevent water ingress

Electronics Forum | Tue Jun 03 13:01:16 EDT 2003 | Ramanandkini

We have some experience in manual application of conformal coating using a brush that too for small circuits espceially on the soldered pads. We use Chase corporation's Humuseal 2A64. This passes high humidity tests. I am also in touch with Lackwere

HIC turn Pink for PCB-URGENT

Electronics Forum | Tue Jul 06 16:59:36 EDT 2004 | davef

I'm sorry for not being clear. The "1 thou" refers to the thickness of copper that rides below your ENIG. If your HIC card is blue that's good. If it's some other color that makes you nervous, then you make of it what you will. They're pretty muc

and you think youve got it hard

Electronics Forum | Wed Jul 12 23:29:23 EDT 2006 | KEN

Ah yes Mechanical Engineers. My previous company hired one Fresh out of College. Ink was still wet on his B.S. degree when he entered the shop. I passed by his desk. He had a CAD drawing on the monitor which he was feverously working on. It showe

Safety Glasses

Electronics Forum | Thu Apr 10 12:19:19 EDT 2008 | realchunks

Frazz, Why did this get instituted in the first place? Perhaps instead of making a knee jerk reaction, your company could keep the "dangerous" areas safe with safety glasses. Like around wave or moving machinery and such. You know, put some thoug

IP3 placement for BGA / MicroBGA

Electronics Forum | Wed Mar 18 07:56:43 EDT 2009 | cyber_wolf

You can calibrate it until you are purple in the face. Job to job and part to part they are just not consistent.They either fail parts or put them on skewed. I have gone back and fourth on this for(10+) years. We have had Fuji look at it and we have

WEEE & ROHS Compliant or not ? (manipulating tool)

Electronics Forum | Mon Oct 24 18:48:23 EDT 2005 | GS

Thanks Gents for your replies, first of all I am not involved in production or sale of those tools. It was just a discussion during one of those so many "panic full" work shops / symposiums on WEEE and ROHS matter organized by material or SMT equip

Re: Solder paste SPC analysis

Electronics Forum | Wed Oct 25 10:11:09 EDT 2000 | Wolfgang Busko

Paddesign, aperture size and stencil thickness determine the amount of solder for your joint. Once you have found suitable parameters you need to control the volume of your paste deposit which is influenced by printer settings, paste condition, stenc

Desiccants and pcb finish degradation?

Electronics Forum | Tue May 15 21:57:06 EDT 2001 | davef

Welcome!!! Where the hay ya been??? Sorry bud, were lining-up with your fab [it hurts me to say that, but when yer  ] We used to dry pack with desiccants, also. Its probably an old MIL-STD-2073-1C requirement [er something like that]. We qui

Cracked SMT Capacitors

Electronics Forum | Mon Jun 18 01:09:03 EDT 2001 | Dean Stadem

Igmar, If these parts are epoxied in place, and subsequently wave soldered, I would bet you a cup of coffee that they are cracking due to the thermal shock of the wave. Typically there is a valley or dip in the temperature after the pre-heat in the w


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