Electronics Forum | Tue Sep 21 15:31:05 EDT 1999 | Hugh Martin
| | | | I like to see if anyone has any info or experinces with metal inspection templates in a post oven process. | | | | My problem issue is the ESD, since they are metal(12 mil stencil material). I welcome any comment. | | | | | | | | Thank you.
Electronics Forum | Tue Sep 15 11:21:43 EDT 1998 | Thomas Nocpen
On 9/9/98 I posted in this forum the need for help into looking at Vibratory feeders...plus and minuses (Thank-you to those who responded). I have recieved feedback into both the Comtra feeder as well as the USVibra feeders. It appears both groups h
Electronics Forum | Sat Sep 19 19:12:05 EDT 1998 | Jim Price
| On 9/9/98 I posted in this forum the need for help into looking at Vibratory feeders...plus and minuses (Thank-you to those who responded). I have recieved feedback into both the Comtra feeder as well as the USVibra feeders. It appears both groups
Electronics Forum | Thu Jun 29 09:29:46 EDT 2000 | JAX
sree, You might want to check the archives. If not, I found this just a few questions below yours!! [Back to thread listing at top] Posted by Igmar on June 22, 2000 at 10:27:26 AM EST Can someone please help with the aperture size on a Micro BGA st
Electronics Forum | Sat May 27 12:50:21 EDT 2000 | Micah Newcomb
Steve, I use homebase apertures as a standard for all chip parts and have no complaints, no solder beading, no issues. I have had to replace almost all stencils ordered previous to my arrival as they all caused defects (7-9mil thickness and 1:1
Electronics Forum | Thu Aug 23 10:54:41 EDT 2001 | Hussman
I've always asked the board house to send me the Gerber data they used to make the board. I've found that things got moved for reasons unknown to either of us (e-mail gremlins?). 9 times out of 10 I take this Gerber and have my stencil manufacturer
Electronics Forum | Tue Dec 10 05:03:58 EST 2002 | praveen
We are having solder fillet finish issue. The solder looks like rough solder on the connector leads .The plating of the leads is Nickel (99.9% purity) and the PCB plating is imersion gold. I have tried fine tuning my reflow profiles an have used N2 i
Electronics Forum | Mon Jan 16 09:15:40 EST 2006 | russ
I can't see why it would be any different, You are melting the balls into reflow to the pad. In my opinion, paste is only useful in this situation to keep the part on the board during placement along with some planarity concerns in some instances.
Electronics Forum | Wed Feb 28 07:30:26 EST 2007 | cyber_wolf
We recently scrapped our TP9-2U because of an issue similar to this. The X-axis would overshoot the pick and place positions. This particular machine(2U)only has 1 X motor. The UFP's and the MY machines have a small fine positioning motor that is on
Electronics Forum | Thu Jul 19 17:10:43 EDT 2007 | jamyboy
You might want to check the Xwagon bearings. We had the same issue with the TP9-UFP we ordered all the possible parts Xmotors small large, encoder, transducer, couplings etc. over 10K worth of parts. The only thing we didnt order was the actual x-wag
