Electronics Forum: fids (Page 1 of 29)

Koh Young Fiducial error multi-up panels

Electronics Forum | Tue Jun 11 07:15:16 EDT 2019 | SMTA-John

From what I understand, in the PCB Info window that first pops up when you open CEditor, the number of fids is multiplied by the number of arrays. So if you have a 4-up panel and you enter No. of Arrays = 4 and No. of fids = 2, the machine will look

Local fiducial spacing...

Electronics Forum | Fri Jun 10 18:44:28 EDT 2005 | Frank

This depends on how the software of your particular machine was written (designed) to handle local fids. Most machines do not have a requirement about the position of the local fids. The purpose of local fids are the same as global fids. All the p

Local Fiducials

Electronics Forum | Thu Oct 19 16:35:22 EDT 2006 | jdengler

Steve, I believe Contact Systems is the only company that uses local fids in this way. All othe machine have coordinates for the local fids. When measuring the fids it applies any error from the fid measurement to the 1 component it's linked to.

UIC UPS Version 8+

Electronics Forum | Mon Oct 19 12:17:16 EDT 2009 | wrongway

We have yet had the need to use local fids on our boards you must be putting down pretty fine pitch parts that are needing the acurcey if it is failing fids that are within the search area then maybe its somthing else size our lighting it should fin

Stencil fiducials

Electronics Forum | Wed Jun 22 06:59:14 EDT 2005 | geb

Do the fids on a stencil need to be in the same place as the fids on the PCB for it to be able to print? Thank you

Flex circuit

Electronics Forum | Fri Sep 23 03:10:03 EDT 2005 | dougs

Sounds like your using global fids, if there are marks on each board use local fids and that should help.

Local Fiducials

Electronics Forum | Thu Oct 19 14:20:18 EDT 2006 | sliebl

Something that I find unusual in some of the replies is the fact that local fids that are randomly dropped around the quad don't do anything for assisting the alignment of said quad. The only way that I am aware of the local fids being useful is if t

Another in a long line of Philips Topaz questions....

Electronics Forum | Tue Oct 16 12:40:26 EDT 2007 | slthomas

Are you converting your block fids to local fids or just not using them?

MYData placement variations

Electronics Forum | Thu Jul 13 06:39:08 EDT 2006 | CL

Is it possible that the PCB is moving? First try an autoscan of the fids and then immediately perform a manual trim which will bring the camera over to where it found the fid. If it is on, there is an offset drift in your axis or the PCB is able to m

Dome Fiducials

Electronics Forum | Tue Feb 15 17:29:05 EST 2000 | Dane Stokes

We are currently having problems with running dome shaped fids. on some of our product. Particularly with the screen printer vision system the domes are reflecting the light to a point where the camera has problems seeing the fid. Has any one else en

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