Electronics Forum | Wed Apr 11 22:05:58 EDT 2001 | davef
OA pastes are more hydroscopic than NC pastes. Hydroscopic. The capacity of a material to absorb and retain moisture from the ambient air. Sometimes this is compounded if you remove paste from the frig and let it warm to room temperature, because
Electronics Forum | Tue Nov 28 14:31:10 EST 2000 | rabell
This is certainly an excellent question. We have shied away from going web based for several reasons: 1. Yes - bandwidth is a real issue. Research into instructional effectiveness of computer based training shows that students lose interest if res
Electronics Forum | Fri May 11 15:43:41 EDT 2001 | davef
More information would be helpful. For instance: * Talk about the distribution of the problem, including a single lot or from various lots and over components and component types on the board * Tell us about the board (ie, thickness, type, solder ma
Electronics Forum | Tue Jun 05 10:31:40 EDT 2001 | raton
I am glad someone in education is getting a clue. I thank you for caring enough about education to ask some great quesstions. My brother-in-law got his Phd a few years ago and teaches at the college level, he agrees with many out there that if educ
Electronics Forum | Wed Jun 13 13:50:49 EDT 2001 | DaveG
I don't have any actual "hard" data to give on improvements but, I can share some experiences with you. What we noticed when we implemented the Rheo pump was: No more solder "skips" on our boards, Improved print quality on our BGA's & 16mil fine pitc
Electronics Forum | Fri Jun 15 13:46:03 EDT 2001 | Scott D
Igmar, I would check a couple of things. First, check to make sure your oven profile is acceptable. You do not want to shock the parts. Second I would check to see if the parts are breaking in a consistant pattern. Are they always split at the
Electronics Forum | Fri Jul 06 18:19:41 EDT 2001 | davef
The senior staff have the pictures!!! Oh, that�s just GREAT!!! What the blank are these gerbils doing with �em? Nothin�!!! They�re probably sitting in a folder on whatzisname�s desk, until he has "a change to study them more". [Like he�s going t
Electronics Forum | Fri Jul 06 18:26:20 EDT 2001 | davef
Groovy!!! [Sorry, I always wanted to say that.] As background, look at: * SMTnet Archives * "Pocket Guide to Excellent V-Scoring" and "Scoring FAQ's" [http://www.accusystemscorp.com] they cover all of the dimensions and give a short summary on the
Electronics Forum | Mon Jul 30 11:10:41 EDT 2001 | hinerman
There are several things to look for in a compliant tooling system 1. How much force per pin is required to lock the pins in place? This is especially important since you will be multiplying by the total number of pins on all modules. 2. Is ther
Electronics Forum | Mon Dec 06 04:48:53 EST 1999 | Charles Stringer
Greg This is one of the eternal questions. I have racked my brains over this one in many organisations. If you are a low volume user (as your run size of 100 to 1000 would indicate) then you are likely to loose more taped components from loading and
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