Electronics Forum: cleaning (Page 323 of 601)

Re: Gold Fingers Discoloration

Electronics Forum | Thu Jul 06 13:31:35 EDT 2000 | Michael Parker

Thanks Dave for the right methods that will get Patrick out of his mess. As long as one is a "Do it yurselfer". I still advocate having the supplier accept responsibility and clean the boards. After a bit of elbow grease, some cussin' and lost time I

ERSA Select Solder Machine

Electronics Forum | Tue Jun 20 14:42:34 EDT 2000 | DTRoxell

On the slect solder machine, what type of solder do you use bar or wire? How offten do you dross? How often do you clean the nozzel? Do you run different size pcb's? Are there any in Austin Texas or the area that we might see in action? How hard is t

Re: ERSA Selective Soldering Machine

Electronics Forum | Tue Jun 20 12:36:49 EDT 2000 | Billy

Thanks, ehab! Was there any special training involved for the programing? Also, how much maintenance and clean up time is required? And, how many different products do you run across the machine? The line we'll be using it on runs quite a variety

intrusive reflow with OA paste

Electronics Forum | Tue May 23 22:23:20 EDT 2000 | JAK

Hi all, I'm would like to try intrusive reflow (pin in paste, paste in hole, etc.) on a connector using WS-609 solder paste (halide free, water-washable). I'm concerned about entrapped flux in the barrel of the solder joints. If there were to be e

intrusive reflow with OA paste

Electronics Forum | Tue May 23 22:21:13 EDT 2000 | JAK

Hi all, I'm would like to try intrusive reflow (pin in paste, paste in hole, etc.) on a connector using WS-609 solder paste (halide free, water-washable). I'm concerned about entrapped flux in the barrel of the solder joints. If there were to be e

conformal coatings and flux compatability

Electronics Forum | Tue May 23 12:18:25 EDT 2000 | mike weekes

Which companies would you consider for protective coatings, (conformal coating) and other levels of protection? I am taking a fresh look at alternatives. Know any good tests for testing compatability of coating with flux - aqueous or no clean? SMT

Re: Stencil Cleaner

Electronics Forum | Fri May 12 13:42:38 EDT 2000 | Steve Thomas

I also recommend that you take a peek at the archives, as stencil cleaners have been discussed a number of times. I also recommend that you check with your stencil manufacturers to determine exactly what cleaning process parameters are acceptable to

Fibres / threads inside PTHs

Electronics Forum | Tue May 02 11:13:02 EDT 2000 | Ashok Dhawan

I am finding transparent fibres , specks or needle shaped threads inside my via holes. I am not sure these are fibre glass / epoxy or flux. I do not find many on bare board. The flux used is NC Low residue and this assy is Single sided . Presently

Re: BGA Xray inspection

Electronics Forum | Mon Nov 13 08:20:06 EST 2000 | Peter Loten

I agree with all the previous comments. You need an XRay system with good software capabilities to "clean up" the images, but you also need to interperate the results and training/experience comes into this. Get free trials first on a machine like CR

Re: solder dross recovery

Electronics Forum | Thu Mar 23 13:48:07 EST 2000 | John Storjohann

A number of years ago I used a Kester product called Solder Saver. It is a thick liquid that one squirts onto the dross on a hot solder pot. It separates out the solder leaving a crust of almost clean dross. Unfortunately a mask is still required. Th


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