Electronics Forum | Thu Dec 16 15:00:20 EST 2004 | glaucon
Simple differences. Both processes require a very similar machine platform, controlled motion, vision fiducial recognition and alignment of a substrate (PCB or hybrid ceramic) to the "image", the image being either a stencil (hence stencil printing)
Electronics Forum | Tue Mar 09 21:22:59 EST 1999 | Dean
| When a board has loaded into the machine and the fiducials do not line up I have tried to use mark edit to set an offset into the program. I lined up the crosshairs and set the data. For some reason the machine did not accept this info. Does any
Electronics Forum | Thu May 27 19:00:37 EDT 2010 | emrtech
not just speed, looking to reduce down time on having to re-do boards from bad stencil screening. also, the accuracy of placing solder paste down on PCB's. why would you want an employee spending so much time aligning fiducial marks from panel to pan
Electronics Forum | Fri Nov 25 15:52:40 EST 2011 | davef
"IPC-2221 - Generic Standard On Printed Board Design" talks to fiducials. Anther take on fiducials says they shall meet the following requirements. * Make fiducials 1 - 1.5 mm diameter circle. * Cover fiducials with tin. * Keep solder mask opening at
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