Electronics Forum: have (Page 746 of 3473)

RF applications..aqueos vs. no clean..HELP!!!!

Electronics Forum | Wed Mar 24 10:43:59 EST 1999 | Tim

Hi, I have a customer who's electronic assemblies produce RF. He is insisting upon aqueuos cleaning. We switched to a no clean solder years ago and no longer have an aqueous system. Is aqueous cleaning necessary to eliminate 'cross talk' of the s

Re: BGA

Electronics Forum | Wed Mar 24 09:22:16 EST 1999 | justin medernach

| We might be doing a job with some plcc, soic on one side and the other side will have two BGA's. Does any one have any ideas on what knid of problems that might occur if we reflowed both sides? Like heat temp, surface tension, etc. Thanks for any h

Re: electronics assembly clip art

Electronics Forum | Tue Mar 23 12:55:47 EST 1999 | Dave F

| I am looking for clip art images of electronics assembly. Images like wave soldering, surface mount components, soldering irons... just general assembly graphics. Many sites have different individual images that they use I was just wondering if a

Suspect BGAs

Electronics Forum | Tue Mar 16 17:05:14 EST 1999 | Jeff Dahlin

We are having a small number (~2%) of our boards pass our manufacturing diagnostics, fail once they reach the customer, fail when they get back to us and then start working again after handling them for a short time. We have eliminated a lot of item

Re: Suspect BGAs

Electronics Forum | Wed Mar 17 09:32:35 EST 1999 | Dave F

| We are having a small number (~2%) of our boards pass our manufacturing diagnostics, fail once they reach the customer, fail when they get back to us and then start working again after handling them for a short time. We have eliminated a lot of it

Re: Philips vs. Quad

Electronics Forum | Wed Mar 17 11:31:45 EST 1999 | Quadmaster

| | I'm in the process of selecting a medium speed pick & place machine. I need to place a wide range of components from 0805 | | chips to a 144 pin MQFP (32mm square 25mil lead spacing). | | | | Anyway, I'm looking at the Quad QSA-30, the Philips

Re: MarkEdit on Fuji

Electronics Forum | Tue Mar 09 21:22:59 EST 1999 | Dean

| When a board has loaded into the machine and the fiducials do not line up I have tried to use mark edit to set an offset into the program. I lined up the crosshairs and set the data. For some reason the machine did not accept this info. Does any

Screen Printer Eval

Electronics Forum | Sun Mar 07 01:04:21 EST 1999 | Paul Peterson

My printer evaluation has come down to the Fuji GP-6 or the Dek 265LT. I'm looking for experienced opinions on both of these options, we're currently running an older vintage Dek 265 printer that gives us constant electronic system problems. The vis

Re: BGA repair/rework

Electronics Forum | Sun Mar 07 17:01:45 EST 1999 | Steve Gregory

| And on it goes. Again, I can't thank you enough for your time. I will call you soon as others probably find this rhetoric a bit much. | | Earl Moon | Earl and Dean, No,no,no...please continue here. I've been gratefully reading everything y

Re: What About Rebalancing Lines?

Electronics Forum | Sat Mar 06 08:35:21 EST 1999 | Dave F

| Clarissa, | | Dave had good suggestions. We load several boards manual at this time. We set our components up in clearly marked bins. The documentation includes a chart with the part number, bin number, reference designator and color code for t


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