Electronics Forum: used (Page 111 of 2487)

Print solder paste on test pad on OSP board

Electronics Forum | Sun Sep 12 08:30:29 EDT 2004 | davef

Well, another alternative is to use a water washable flux. If you insist on staying with a NC flux, use one that is probable. We prefer to probe solder, rather than copper.

Print solder paste on test pad on OSP board

Electronics Forum | Mon Sep 27 11:40:50 EDT 2004 | grayman

use water soluble solder paste is the cure for your problem. but if you insist of using NC change your pogo pins to pointed pins.

NEED DEPANELIZING MACHINE

Electronics Forum | Wed Sep 15 11:38:21 EDT 2004 | Rob

Hi Sue, We have a Micromat Router & a Sony Router which we use for Rigid & flexi rigid. We use a press for Flex only (or where flex is joining the boards) & a scoring machine for other rigids. Hope that helps, Rob.

PCB tracking system for WIP???

Electronics Forum | Wed Sep 22 12:41:51 EDT 2004 | Tarheel

We use "SFDM"-- Shop Floor Data Management... We have just recently started using it so I don't know any specifics on it. Do a web search on Shop Floor Data Management and there should be a web site. Hope this helps ....

Re-use of SMT Components after Removal

Electronics Forum | Thu Sep 23 16:14:39 EDT 2004 | russ

Control the temp during removal and re-use them. Do not exceed reflow parameters during removal. They should be good up to around 5 reworks. My opinion Russ

Pick and place labels

Electronics Forum | Thu Sep 23 10:28:33 EDT 2004 | JB

We are placing labels using a Hoover-Davis feeder with a GSM. Anybody else out there doing this? My question is: Are you using a special nozzle for this operation?

Pick and place labels

Electronics Forum | Thu Sep 23 11:28:57 EDT 2004 | Frank

We have placed labels using the Hover-Davis label feeders on our Juki machines and we used standard nozzles. Are your labels an odd shape where a standard nozzle won't work?

Lead free Solder Paste troubles !!!!

Electronics Forum | Thu Sep 30 06:31:22 EDT 2004 | grayman

Habba, I don't know why use lead free capacitors and a non LF components. I do not get the idea? Can you educate me? Is this customer driven or just your company. You must use leaded solder paste for this type of process. Arman

cellular phone assembly

Electronics Forum | Thu Sep 23 23:51:49 EDT 2004 | Chics

Hii, Can anyone give some info on how to assemble a gsm cell phone, machinery, methods, techniques used.... and what sort of inspection techniques and equipments are used and what are the costs associated with it Please reply.

Calculating Reflow Slope

Electronics Forum | Tue Oct 05 17:47:28 EDT 2004 | mikecollier

We are using the paste vendor's recommendations for TAL, preheat, etc. They do not give any indication on their datasheet for the time to use to calculate slope (calculate over 20 seconds, 60 seconds, etc. - not included in their data).


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