Electronics Forum: electronics (Page 4493 of 7892)

yellow residue

Electronics Forum | Tue Aug 22 18:15:50 EDT 2006 | russ

okay so both the 2005 formulas from interflux are clear alchol based fluxes. Yellow res huh? In looking at the temps here, I would say you might be too hot at both preheat and solder temp. You may be burning flux. How long is dwell time over wave

Work out number of pallet needed

Electronics Forum | Wed Aug 23 02:48:11 EDT 2006 | ec

Hi, Appreciate someone could advise or forward a format to me how to work out number of pallet needed for wave-solder if the machine speed is at 1.0m/min, volume per month is 4500 sets, pallet length 0.3 meter, conveyor length 5 meter...... Looking

GSM Camera Focus

Electronics Forum | Wed Aug 23 09:25:32 EDT 2006 | SWAG

I just installed a new CCD in a 4.0 mil upward looking camera - GSM. It's working well but is slightly out of focus. Do I adjust focus by moving the lense in and out of the camera mount or do I use the ring that is actually part of the camera that

GSM Camera Focus

Electronics Forum | Wed Aug 23 16:37:07 EDT 2006 | flipit

If you bought this camera from Universal, it should come focused correctly. I had one of the first 0.5 mil cameras for flip chips. I used it for years and it was out of focus. I finally convinced Universal that something was wrong and they replace

Do yo have to bake unused bare boards or just Vacuum Pack?

Electronics Forum | Fri Aug 25 04:17:51 EDT 2006 | aj

Thanks for reply, I am mainly concerned when we run a batch of say 200 out of a kit of 400. due to part shortages we might have to revisit the remainder a few weeks later. Its these boards that concern me. we use enig boards. aj...

Do yo have to bake unused bare boards or just Vacuum Pack?

Electronics Forum | Sun Aug 27 20:30:53 EDT 2006 | darby

AJ, We use all ENIG boards. After opening, any remaining boards are kept in low humidity keeping cabinet. I have never experienced a problem using this method I think the longest I have kept them this way is eighteen months. We also store any open tr

Do yo have to bake unused bare boards or just Vacuum Pack?

Electronics Forum | Mon Aug 28 20:45:41 EDT 2006 | darby

Dave, I have never even seen black pad - even in my subby days. As my wife says whenever I find a good parking spot: "Lucky Darby and his beautiful wife!" This is particularly so if we go to Watto�s - www.sydneypubguide.net/pubs/Watsons_Bay_Hotel_(D

Do yo have to bake unused bare boards or just Vacuum Pack?

Electronics Forum | Tue Aug 29 20:42:09 EDT 2006 | davef

Once a rock star, always a rock star, eh bubba? Ozz don't forget stuff like that. After a half liter of golden merriment, I don't care about how odd the food tastes, I just want to remain agile enough to dodge the sinkholes on the way home.

Panasonic HDP 3 Startup Problem

Electronics Forum | Wed Aug 23 22:31:06 EDT 2006 | Derek

I have an ongoing problem with a Panasonic HDP3. When the machine is switched on, the screens flicker for a while and then it eventually starts the boot up sequence, but resets itself. Each time it starts the boot up sequence it gets a bit further. A

BGA Repair Medium

Electronics Forum | Mon Aug 28 09:24:41 EDT 2006 | Chunks

Hi SWAG, Hi CL, I've seen the BGA Kapton things, I believe we'll go in that direction as well. I agree with you too CL. Depending on the product, I either have issues or no issues. That's why I was posting here, just to see if it was me (as I a


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