Electronics Forum | Thu Jul 19 22:52:43 EDT 2001 | davef
Most paste manufacturers talk about a 12 month shelf life for paste. They give the user half of that time. The remainder is used-up in processing and distribution. We'd give it a shot. You paste supplier should be able to give you a much clearer
Electronics Forum | Wed Jul 25 16:26:14 EDT 2001 | CPI
You got it .05 cfm per sqr ft. But that�s the easy part, how are you calculating exchange rate? that�s the tough part. If you want to get it right and keep heating/ac costs down. What I mean is, if you don�t take into account the infiltration and air
Electronics Forum | Sat Jul 21 09:46:41 EDT 2001 | davef
I was reading something in the paper this morning where the police have found that having a witness look at six pictures of suspects laid-out on a table [the six pack method in their parlance] is more error prone than just looking through the stack o
Electronics Forum | Sat Jul 28 10:51:38 EDT 2001 | nifhail
I'm curious over what would happen if we continue to use the WS paste when dealing with uBGA. Definitely the cured flux under uBGA package couldn't be cleaned/reached and as I understand correctly they are corrosive. if that so, how long do you guys
Electronics Forum | Thu Jul 26 09:22:20 EDT 2001 | nwyatt
We are currently testing 0201s. We are using T3 paste, and it is working fine. You will need specialized feeders, test components, and test boards. Also depends what machines you are using - some are not capable of placing 0201 components. My s
Electronics Forum | Sat Jul 28 03:05:35 EDT 2001 | Frank
Hi guy Does anyone have experiance with printing problem between solder paste water soluble 62/36/2 and gold plating PCB? I do have problem about insufficient solder after printing although I used the same printing parameter as when I print with ano
Electronics Forum | Mon Jul 30 09:31:46 EDT 2001 | kennyhktan
Dear All, I'm now facing with 0805's component missing problem at the production after mounting. In able to containing the defect I'm been trying to increase the soldering strength by changing the stencil thickness from 6mil to 8 mil on a step do
Electronics Forum | Tue Jul 31 20:05:11 EDT 2001 | davef
There is no the industry standard specification for resisitivity monitoring at aqueous cleaning. Beyond those posted here earlier by Mikie, guidelines can be found in the fine SMTnet Archives, for instance: (http://www.smtnet.com/Forums/Index.cfm?CF
Electronics Forum | Tue Jul 31 18:49:20 EDT 2001 | arsmoriendi
i have a problem with some units that had one capacitor only soldered in one side, the geometry of the capacitor is 0805, our product during his life suffer a lot of stress (due temperature or vibration), some of those units are already with the cost
Electronics Forum | Wed Aug 01 16:02:51 EDT 2001 | davef
Does this mean we can search for threads older than the last year or so? Brian said: * Getting those threads on-line cake. * He knew how to do it. * He was going to get that done last week. Is it done??? Huh, huh, huh? Er, did you end-up fin
