Electronics Forum | Fri Dec 13 09:06:30 EST 2002 | russ
One thing I have found when using square or diamond etc... Fiducials is, if it is a HASL finish board, the finish may be thick and the fid camera will see them having rounded edges different sizes etc.. and will cause quality failures. Russ (My sp
Electronics Forum | Fri Dec 13 18:47:22 EST 2002 | stefwitt
In theory you are right, but the camera CCD chip has only small squares as pixels. The edges of the circle lit the pixels only by a certain percentage. In order to find the edges, you will have to use sub-pixels or greyscales. A circle is also prone
Electronics Forum | Fri Dec 13 11:21:19 EST 2002 | dphilbrick
Since you asked for more here is my $ .02. There are many different vision systems, camera and software combinations that will make each make and model machine work differently. For instance a 1999 Siplace machine might work best with a 1.5mm round F
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