Electronics Forum | Tue Nov 22 10:46:46 EST 2005 | A Total Green Planet Solution
Try using a contrast filter. This seems to help. Also on the camera it self there is a white level control. Adjusting this may help. The bad thing is it may affect all your other profiles. Some times an easy fix is to have a screen print mark close t
Electronics Forum | Fri Nov 11 10:19:35 EST 2005 | davef
0.3 mg/l) is a �hazardous substance containing waste�. Disposal permitted only in controlled landfills, mfrs. pay extra costs (Waste Disposal and Public Cleansing Laws). * South Korea: Korean Electronics Industry Declaration to Manufacture Environmen
Electronics Forum | Thu Nov 17 17:32:07 EST 2005 | russ
Good point tommy, I think we are confusing what we are talking about here. It was not asked if the operators should do inspection. It was asked if an operator should pass boards through a machine. The operator is not inspecting anything just as t
Electronics Forum | Sun Nov 20 22:35:26 EST 2005 | pyramus
Hi guys!! Just want to ask regarding the Bluetooth Module. The module has BGA inside shield before production we checked Raw materials no short probems. But after Passing N2 Reflow during normal production the BGA inside module tend to get shorted..
Electronics Forum | Mon Feb 13 15:01:37 EST 2006 | Brian W.
We have a joint process with our purchasing department. They get notification from a supplier, which is passed to us. As a CM, we notify the customer and get permission to use it. Then we enter a new part number with a special suffix indicating le
Electronics Forum | Wed Jan 04 13:47:11 EST 2006 | russ
To answer your question it was mentioned that allowing the boards to cool slightly between reflow and wash may help this case to eliminate thermal shock from immediately going into colder water straight out of the oven with no cooling. In looking at
Electronics Forum | Fri Jan 06 09:15:34 EST 2006 | sarar
I would suggest that it would be helpful to perform ion chromatography analysis on some of the boards that have failed your ionograph tests as well as some boards that have passed. This will tell you exactly what ionic species are present on the boa
Electronics Forum | Thu Jan 19 06:25:42 EST 2006 | bwet
There are several life studies (see for example http://www.solder.net/stencilquik/articles.asp) which point to higher reliability of reworked BGAs using solder paste vs flux. The theory on the mechanisms which allow this to happen are as follows: 1
Electronics Forum | Tue Feb 14 04:40:47 EST 2006 | Rob
Pete's advice is spot on - you need to do this. We did roughly the same thing, and the known defect board caught a few out - especially one manufacturer that lowered all of the fault thresholds to pass the previous defect free boards (we didn't tell
Electronics Forum | Thu Mar 30 12:38:14 EST 2006 | Tech
Also why I am at it. In the book CP-6 Series Maintenance Manul ( Fuji Part # MNT-C060-11.3E ) in Chapter 4 page 4-1-11 it says " The clutches should therfore be cleaned regularly, using the grease cleaner (ThreeBond 2706) provided with the machine."
