Electronics Forum | Sat Nov 06 08:20:16 EST 2004 | GS
In addition, if PBA is assembled by No Clean paste or flux, you could have some color changes un PCB, on solder joit, on component body, etc. But just a cosmetic pbm. Rgds
Electronics Forum | Mon Nov 08 12:06:40 EST 2004 | davef
We are aware of no transparent laminates. Most are roughly translucent, with a milky white color. Some laminated are quite thin and could serve your purpose. As an alternative, could you etch foil [that's readily available] and the attach the etch
Electronics Forum | Tue Nov 09 10:44:29 EST 2004 | stefwitt
If you are doing small circuits, you could use glass slides http://www.hometrainingtools.com/catalog/microscopes-accessories/cat_microscope-slides.html apply conductive epoxy traces, place your components in it and cure at ~ 120 Degree C
Electronics Forum | Fri Nov 05 23:01:01 EST 2004 | MZC
Hello! I would like to know the maximum no. of hours that an opened solder paste and then closed for sometime but never returned to the fridge? Thanks.
Electronics Forum | Sat Nov 06 01:31:57 EST 2004 | ezalmy
hi everyone,does anyone been utilising these said machines?is the machine programming is tough?pls advise
Electronics Forum | Mon Nov 08 11:10:22 EST 2004 | Wixon
Typically lead is plated with tin. One problem with using just tin plating is that you can grow "wiskers" over time, and potentially develop a short somewhere on your PCB. SMTA is giving a presentation on the effects of lead-free solderability.
Electronics Forum | Mon Nov 08 12:47:52 EST 2004 | clampron
Good Day Everyone, I have a BGA rework that has some chipped/damaged solder mask that will need to be repaired prior to BGA replacement. I was wondering what materials are being used in the industry for this type of application. Any help would be g
Electronics Forum | Mon Nov 08 13:38:37 EST 2004 | davef
You need to cover the chipped areas with a protectant coating, like epoxy. Look here:http://www.circuittechctr.com/products/115-1322.shtml We have no relationship, nor receive benefit from the company referenced above.
Electronics Forum | Mon Nov 08 18:05:18 EST 2004 | russ
Looks like we have been running the cure a little short (but only by about 44 min). I need to check if elevated temp shortens cure time to 1 min. at 700F! Thanks Dave, much appreciated Russ
Electronics Forum | Mon Nov 08 15:28:54 EST 2004 | davef
If SMTnet posts listing from "Active threads from last 14 days", why are there listings from July still on the Forum?
