Electronics Forum: cfm (Page 4691 of 7890)

AQ-400 SMT-400CL pcb Cleaning system

Electronics Forum | Tue Mar 16 21:42:29 EDT 2010 | aqueous

Aqueous Technologies would be glad to send you a manual. Product registration is now free. Upon registration, Aqueous Technologies will send you manuals (electronic copies) at no charge. Service is available on a charge basis. Mike Konrad Aqueou

Rework PCB's with coins

Electronics Forum | Fri Mar 19 15:44:35 EDT 2010 | cisridn

Coins are sometimes used on PCB's with RF Power Field Effect Transistors. These boards are usually mounted in an housing. They provide a ground path for the transistor to the PCB and thermal path to the housing. The coins are usually made of aluminu

Solder Graping - What's this?

Electronics Forum | Fri Mar 19 00:19:25 EDT 2010 | stevezeva

I've also heard the problem called "Snot-balls". I have a picture: http://stevezeva.homestead.com/Type_4.JPG In my case, this happened because of a bad batch of powder was used when the solderpaste was made. It's happened to me a couple of times sa

vitronics delta 6622 fluxer

Electronics Forum | Wed Mar 17 04:26:44 EDT 2010 | mun4o

Hi, we have vitronics delta 6622 in your production.Problem with fluxer starting 3 weeks ago.Fluxer moving, but not spraing????I check flux system , and dont find any problems with machine.Clean the spray nozzle with compressed air , but nothing.may

vitronics delta 6622 fluxer

Electronics Forum | Wed Mar 17 10:12:16 EDT 2010 | dj_jago

Is it the pressurized system or the pump system you have fitted to the machine? Are you getting an error message 'No flow nozzle 1'? Check the 'ShoRate' gauge at the back of the machine and make sure the ball bearing rises in the glass tube when you

smd led storage

Electronics Forum | Fri Mar 19 07:18:14 EDT 2010 | grahamcooper22

Hi, do you know if your LEDs are moisture sensitive ? And if so what MSL level ? Surprisingly it seems that not all are, but some seem really sensitive. I imagine the differences are down to the plastics used and the LED manufacturing processes. I a

smd led storage

Electronics Forum | Fri Mar 19 13:18:03 EDT 2010 | deanm

Regarding your question about buying equipment to vacuum seal the MBBs, according to the IPC/JEDEC standard, "Full air evacuation is not needed or recommended; light air evacuation will reduce the packaging bulk and enhance carton packing. Excessive

Quad IVc

Electronics Forum | Mon Mar 22 10:33:11 EDT 2010 | bobpan

I dont recall autoprogram having a password. If its central controller you need to get into....try QUAD (in caps). There is a way to delete the password file but its hidden in the root directory (for central controller). The file is called QSPASSWD.S

PCB Surface Question - Picture attached

Electronics Forum | Wed Mar 24 00:03:20 EDT 2010 | boardhouse

Hi Itzik, it looks like you receive a board from your manufacture that they did solder mask rework on. it looks like they stripped tried to strip the mask off the board. Was this the only board that was like this or did the whole order look like th

PCB Surface Question - Picture attached

Electronics Forum | Thu Mar 25 14:30:29 EDT 2010 | boardhouse

I would not use the product. Solder balls on a massive scale would be one issue due to all the exposed copper. Throw them out, it will be cheaper and less of a headache. I would also question your board shops quality control or lack of for letting


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