Electronics Forum | Tue Sep 04 09:12:35 EDT 2001 | caldon
Moisture would be my main concern. Even though components are plastic, they can absorb moisture. Moisture is also detrimental to the the solder itself. The water droplets that are left behind (evaporated even) could cause problems (i.e. chlorides).
Electronics Forum | Mon Oct 08 22:43:13 EDT 2001 | caldon
No wizard here just a troll....Sorry I can not spout a Fountain of information Like "The Dave F" but here is an additive..... Having worked at a Lab for testing Soaponifiers, cleanliness, and contamination when a customer says "we had a lab check it
Electronics Forum | Mon Oct 08 22:25:19 EDT 2001 | caldon
See PeteC under the recent forum entry on "Reflow Ovens"....Pete is a true wealth of knowledge. I will try to post his info at a later date. Cal Manncorp
Electronics Forum | Thu Nov 01 10:10:49 EST 2001 | caldon
DAVE- Sorry for the late response.... as I was outta da country fer a bit. Wolfgang has a great point...If your machine has linear scales or encoders and they are dirty (even a spec of dust) this could have a huge impact on the positional data (esp.
Electronics Forum | Fri Nov 02 20:15:13 EST 2001 | caldon
Ahhhh America.... It is great to agree to disagree.
Electronics Forum | Fri Nov 02 20:23:58 EST 2001 | caldon
You may want to also try MRSI. They have awsome machines for bridging the gap between Semiconductor and SMT. They have an excellent research group and can answer a mojority of your questions. http://www.mrsigroup.com they are located in Mass, USA. Da
Electronics Forum | Fri Nov 02 20:33:31 EST 2001 | caldon
You may want to try Southco www.southco.com They have 13,000 products including spring loaded fasteners. Best thing is to request a catalog or CD. Cal
Electronics Forum | Fri Nov 09 20:33:28 EST 2001 | caldon
There is two directions I see here...1) you are looking for a bid comaprison or 2) you are going to build boards with the machines you cause they are not being used in full capasity. Some OEMs and/or CEMs charge extra for "cut tape" (Not full reel)c
Electronics Forum | Thu Nov 08 09:59:43 EST 2001 | caldon
Here is a great web site to down load a cool conversion table: http://www.joshmadison.com/software/convert/download.asp To answer your question: 0.7N-m = .52lbf-foot Best regards, Cal
Electronics Forum | Fri Nov 09 20:15:26 EST 2001 | caldon
I concur with Dave.....I have done this often with little fall out. After rework reflow we would x-ray just to ensure an acceptable joint structure. Just for curiosity sakes....are you removing a defective BGA and replacing with a good one? Site pre
