Electronics Forum | Thu Jan 16 03:43:42 EST 2003 | johnw
1st off for the forum folk, I don't like the fact that the new system only let's you see the posting your replying too, I'd rather be able to see the thread..... Anyhoo, why this alloy?, it's because it's the device manufacturers preferred and the c
Electronics Forum | Mon Jan 13 16:24:15 EST 2003 | russ
Youch! I know this is going to sound stupid but.... I have done it in the past in limited quantities. We placed capton (polyimide) tape at each of the four corners for a similar situation. It did work but the operator has to be careful in placing
Electronics Forum | Mon Jan 13 21:52:16 EST 2003 | davef
Haaaaaa!!!! You contractors get all the fun don't ya??? Consider: * Replacing the balls on the corners of the devices with balls composed of a "hard solder", yano something like 90/10. * Shimming to prevent excessive collapse of a heavy BGA during
Electronics Forum | Fri Jan 17 22:08:31 EST 2003 | iman
try using thermal pads under the area without the balls. yeah, its a pain but we did it before for lot run of 500pcs BGA. Not feasible for mass production run, you say? well, thats why there's a thing called DMF, and why its the designer guys res
Electronics Forum | Thu Aug 09 17:08:47 EDT 2012 | rcarlson
okay, go ahead and email me direct.
Electronics Forum | Wed Aug 08 12:42:31 EDT 2012 | cobham1
We are trying to automate how we test one of our products. I have a bid from a great company but need to have another in order to push the project along. Can someone recommed a few people who would be able to do this.
Electronics Forum | Thu Aug 09 10:49:10 EDT 2012 | rcarlson
We can help, depending on what you need. do you have a spec or a simple description?
Electronics Forum | Thu Aug 09 11:11:05 EDT 2012 | cobham1
I will gladly talk with you but I need to get a NDA in place with you before we can do anything else. That whole military contract thing.
Electronics Forum | Tue Feb 09 10:03:05 EST 2021 | grahamcooper22
Just wondering, what do companies who have a stand alone reflow oven use to allow their pcbs to safely exit off the reflow machine conveyor belt or pcb rails ? I've seen home made ramps that the pcb slides down.....but is there any other option ?
Electronics Forum | Wed Feb 10 12:37:14 EST 2021 | dontfeedphils
In a past life we had "board catchers" who stood at the end of our two lines and caught the boards. They were also in charge of transporting the boards to wash and loading/unloading the wash as well. I was never a fan of this approach, bu
