Electronics Forum | Mon Oct 23 21:05:37 EDT 2000 | cklau
If you're looking for PWB cleanliness , please consider one surface treatment other than HAL (i.e HRF-heat resist flux). HRF is a very inexpensive and effective process that your board manufacturer can provide you to meet your requirement. For gold
Electronics Forum | Thu Oct 26 10:32:14 EDT 2000 | CAL
We currently use a tool that we have developed and sell that can provide real time feed back on OSP coatings. With OSP it is a case by case basis on how many times you can reflow or apply heat before it becomes detrimental. Also, Depending on your pr
Electronics Forum | Tue Oct 17 18:27:21 EDT 2000 | Philip Reyes
Hello fellows, Can you clear me up regarding the reballing of Plastic BGA? Is it necessary to reball plastic BGA module if you have missing ball defect? What is the alternative process for rework? Do i need to flip the module then apply paste on
Electronics Forum | Tue Oct 17 12:33:49 EDT 2000 | Casimir Budzinski
I am looking at geting a used wave solder machine the one I have been looking at is a Dover Soltec Maxi 6522C with drum spray fluxer, Combi wave, and Nitrogen. If anyone has anything good or bad to say about this wave I would like to know thanks
Electronics Forum | Mon Oct 16 11:53:35 EDT 2000 | Howard C. Ohlhous
I would like to know what type of glue is used to hold down surface mount devices to boards before/during solder reflow. I would like to obtain said glue for evaluation and possible use in an assembly procedure. Please Advise: What company manufactur
Electronics Forum | Tue Oct 17 01:12:50 EDT 2000 | Darby
Try "Amicon D125 F". Good for both dispensing and screen printing. I like the yellow colour, it shows up better on green pcbs. Most smd adhesives are single part, heat cured epoxies, UV curing having gone out of fashion some years ago. Amicon used to
Electronics Forum | Mon Oct 16 20:42:22 EDT 2000 | Dave F
Pete: It sound like somewhere through all that you should have gotten good product. Here�s a couple of questions on your board: * How are the SOIC positioned relative to the wave? * How are you controlling the flatness of the second wave? * What
Electronics Forum | Mon Oct 23 14:05:08 EDT 2000 | Aokilab
Hi Soza: As Dave F mentioned, there are lot of factors involving the formation of residue, after cleaning. Factors, (such as: solvent's cleaning power, presence of metal oxides, type of soldering flux, etc...). One thing pretty sure, IPC is usually
Electronics Forum | Wed Oct 25 10:42:07 EDT 2000 | slowe
We currently have the first version of formflex and had nothing but problems with the pins sticking. Dek now has a new version which is supposed to have eliminated the sticky pin problem. These will be replacing the first generation formflex. Until w
Electronics Forum | Tue Oct 17 14:40:04 EDT 2000 | Glenn Robertson
Jason - I have only one thing to add to Dave's excellent (as usual) information. Some time back we had a similar problem and we removed the dross bits with a soldering iron and solder wick. Yes, it's tedious and you have to look closely to be
