Electronics Forum | Wed Mar 07 20:37:38 EST 2001 | davef
I agree. The bar coded label you use should not be affected by the solder mask of the board. The label should have sharp contrast between the segments of the code to modulate the returned light and allow the reader to discriminate between light and
Electronics Forum | Thu Mar 08 09:38:35 EST 2001 | blnorman
We've been using pre-printed labels on our PCB's for years, with 8 - 10 hours a week down time associated with them. Last October we put a CO2 laser marker on one of our lines. In 6 months we've had a total of 30 minutes down time. We use a 2D b
Electronics Forum | Thu Sep 12 09:15:29 EDT 2002 | mhoughton
I have printed and placed similar devices in high volume with exactly this spec for a couple of years with no problems, are you using laser cut stencils and what type of solder paste are you using? and what is the end use of the product as it may nee
Electronics Forum | Thu Sep 12 09:12:22 EDT 2002 | mhoughton
I have printed and placed similar devices in high volume with exactly this spec for a couple of years with no problems, are you using laser cut stencils and what type of solder paste are you using? and what is the end use of the product as it may nee
Electronics Forum | Fri Jan 28 19:26:51 EST 2011 | jlawson
Milara has a combined Stencil printer + jet Printing ??? Print and then jet print areas not printed or top up prints.
Electronics Forum | Mon Sep 20 17:46:21 EDT 1999 | Dave F
| I've had some trouble pasting a test board for a MicroBGA trial. Most of the paste remains in the stencil apertures. | The stencil is 6 mil thick, laser cut and electo-polished. | The apertures are 12 mil in diameter with 20 mil pitch. | We are usi
Electronics Forum | Mon Sep 20 14:53:24 EDT 1999 | Doug
I've had some trouble pasting a test board for a MicroBGA trial. Most of the paste remains in the stencil apertures. The stencil is 6 mil thick, laser cut and electo-polished. The apertures are 12 mil in diameter with 20 mil pitch. We are using Alpha
Electronics Forum | Fri Oct 31 14:09:07 EDT 2014 | wbrenner
Having a problem with a DEK printer. In the back to front motion, getting poor ramdom paste volume on micro BGA pads. Other BGA 1 mm pads are fine. The front to back motion is fine. Any throufghts on this directional issue. Ran ~200 panels no pr
Electronics Forum | Tue Sep 21 13:43:33 EDT 1999 | Glenn Robertson
| I've had some trouble pasting a test board for a MicroBGA trial. Most of the paste remains in the stencil apertures. | The stencil is 6 mil thick, laser cut and electo-polished. | The apertures are 12 mil in diameter with 20 mil pitch. | We are usi
Electronics Forum | Tue Sep 21 11:28:26 EDT 1999 | Dave F
| I've had some trouble pasting a test board for a MicroBGA trial. Most of the paste remains in the stencil apertures. | The stencil is 6 mil thick, laser cut and electo-polished. | The apertures are 12 mil in diameter with 20 mil pitch. | We are usi
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