Electronics Forum | Sun Dec 18 16:39:53 EST 2005 | grantp
Hi, Yes, and this is the problem with info from suppliers, and the problem is often companies market heavily against new technologies because they have issues with them, or problems not sorted out yet. Sometimes it's just the sales guys who don't un
Electronics Forum | Mon Dec 19 10:23:47 EST 2005 | DannyJ
Hi Grant, Here's one paper I came across for a customer of ours, seems they had heard that pb-free bgas cannot be done in pb paste. http://www.leadfreemagazine.com/pages/pdf/Clech_APEX2004_Paper-final.pdf I have another from a swiss lab that did
Electronics Forum | Wed Jan 04 15:10:27 EST 2006 | grantp
Hi, That's the main problem. I quickly checked out the motorola document, and thanks for posting that, but the main reason for failure seems to be that the ball is not touching the solder pad. I wonder what kind of ball size tolerance they had on th
Electronics Forum | Thu Dec 15 19:43:33 EST 2005 | Liza
Stefan - We are using an automatic sealing equipment and have several controls also. The particular machines used for processing these products could be narrowed down to 5 machines at most. The sealing temp, pressure and dwell time are checked on a
Electronics Forum | Thu Dec 15 23:04:07 EST 2005 | Manyhats
Hello, we are a low volume high mixed CM looking for a new addition to our SMT depot. We are currently running 2 Mydata TP-11 Hydra and feel that this can not meet our 06' forcast and current builds. I need to make a decision whether to go with the S
Electronics Forum | Wed Jan 04 05:39:29 EST 2006 | Rob
I can't see how prompt washing of the boards could cause a problem in X7R but not in Y5V or NPO. Yes, if you dropped a board into the wash straight out of the oven without letting it cool down then it's not going to like it, but surely no-one does t
Electronics Forum | Mon Jan 09 19:55:32 EST 2006 | davef
"Poor release" (paste hanging-up in the stencil holes) could have three main (or combination of) causes: 1 Equipment * Proper aperture area ratio provide better release * Laser cut release better than chemical etched stencil 2 Process * Snap-off dis
Electronics Forum | Fri Jan 13 16:00:07 EST 2006 | DannyJ
Sr. Tech, First, thank you for the great laugh! Second, I always go for that 'deer caught in headlights look' that they get when you start asking your questions. As a caveat, I have learned to slow down when they start drooling out of one side of
Electronics Forum | Fri Mar 31 10:22:59 EST 2006 | Tech
It could be related but it is kinda hard to tell from just this info. A lot of times if a clutch gets misaligned so bad that the machine has no idea where it is the machine will stop and turn the clutch several times trying to find its home point. It
Electronics Forum | Thu Mar 23 18:31:31 EST 2006 | Chris
Mike, Have you contacted Universal Instruments yet? If not you should call them. If I am thinking of the same oven, this oven was manufactured by ETS (Energy Technology Systems) or http://www.energytechnologysystems.com. I take it you bought this
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