Electronics Forum | Tue Apr 17 16:45:35 EDT 2018 | reckless
Unfortunately they were decommissioned a few months ago and the machines were put in storage. I had them shipped and have received them. They look cosmetically to be in good condition. We are hooking power/air into them now. Came with a compress
Electronics Forum | Tue Nov 29 14:37:43 EST 2022 | SMTA-64385790
It is often said to avoid card board material in SMT area due to dust, i.e. card board boxes etc. are dust generators. Except from house keeping, cosmetic and optical issues, what other concerns are there in SMT/Electronics manufacturing? Solder join
Electronics Forum | Fri Apr 14 19:09:38 EDT 2000 | Ashok Dhawan
One of our customer insist on repair of solder mask even if it is pin holes or less than 0.010 sq in. area. Based on our knowledge bank, we though of thre options, there could be many more. 1. coat the exposed area with original solder resist (from
Electronics Forum | Mon Mar 16 09:02:07 EST 1998 | Justin Medernach
| We are going to try out a PCB manufacturer that has an Alpha Level for ensuring a flat finish on the PCB's. | I am interested to know if anyone has and experiences, either good or bad on how boards treated with this process are to assemble. Is the
Electronics Forum | Tue Oct 07 01:02:25 EDT 2003 | Hoss
Adam, I can't disagree with Pete that an Ionic contamination test may ID the affected boards. However, if you have a large number of boards to test, this may not be the answer. Omegameter testing takes 10-15 minutes per unit if memory serves. On
Electronics Forum | Wed Dec 17 17:57:51 EST 2003 | davef
9. * Conversion coatings are very nice "paints" that allow other paints to stick to aluminum. Type 1 coatings are thicker than Type 3, which are whisper thin. Alodine 120X (Amchem) and Iridite 14-2 (Allied Research Products) are good conversion coa
Electronics Forum | Wed Jul 27 22:14:57 EDT 2005 | Ken
If no-clean...then this seems "relatively" normal. You could try and extend your peak and duration, however, manufacturers are adjusting their chemistry to survive these normal temperatures (up to 260C and 30 seconds within 5C of peak). You will h
Electronics Forum | Sat Oct 29 09:10:17 EDT 2005 | davef
You're correct that Room Temperature Vulcanizing (RTV) adhesive is pretty much a cosmetic when it comes to securing components. Beyond that it contains silicone, which produces unsolderable connections in electronics. Further, many RTV seep acidic
Electronics Forum | Mon Feb 13 22:37:40 EST 2006 | KEN
Cleaning no-clean is the pitts. If cleaning required migrate to water soluble. Can IPC help here? No cleans only need to be removed per IPC if the joint inspection is inhibited...and in general if form-fit-funciton is not achievable. But then th
Electronics Forum | Thu Mar 29 08:41:29 EDT 2007 | george
Hello everybody, I had not noticed until yesterday this situation. Whenever the wave operator has a problem with a PCB (i.e. lifted parts, misprayed flux, etc.) they wave solder the PCB again "to fix it". The problem is that PCBs do not look pretty
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