Electronics Forum: split imaging alignment (Page 1 of 9)

Optical alignment system

Electronics Forum | Thu Aug 28 15:29:50 EDT 2014 | mcapizzi

Yes, your picture is correct. Regarding the dichroic mirrored prism assembly…in this application, a dichroic material is one which causes visible light to be split up into distinct beams of different wavelengths. The original meaning of dichroic, fro

Optical alignment system

Electronics Forum | Wed Aug 27 13:50:57 EDT 2014 | mcapizzi

The superior machines typically use only a split vision system which allows two pictures to be viewed simultaneously. The PCB (pads) and the underside (balls) of the BGA can be observed. By using micrometer screws, both exposures can be adjusted exac

Optical alignment system

Electronics Forum | Thu Aug 28 12:42:53 EDT 2014 | mcapizzi

One camera is used with typically one of the following prism set-ups: The split prism system, in its most common form, is a cube made from two triangular glass prisms which are glued together at their base using polyester, epoxy, or urethane-based ad

Optical alignment system

Electronics Forum | Thu Aug 28 04:31:22 EDT 2014 | jana

Thanks for the reply. So a mix of two images is made by optics(2 prisms) and ONE camera shows the result? Or there are two cameras and a mix of two images is made in video mixture device?

Optical alignment system

Electronics Forum | Fri Aug 29 15:08:49 EDT 2014 | hegemon

Not like that. Like this. The prism area is a partial mirror. A variable light source at Image 2 is key.

Quad 4C vision alignment

Electronics Forum | Fri Jul 19 16:27:38 EDT 2013 | microaide

I think I have the vision problems figured out. There were two problems. 1) The Alignment type was set to "Small" for my TQFP48 part. It should have been set to "Complete". This is a clear case of poor documentation. The AutoProgram manual lists the

Quad 4C vision alignment

Electronics Forum | Mon Jul 15 19:18:51 EDT 2013 | microaide

Does anyone know how to make the vision alignment work on a Quad 4C? What I mean is make it work right, and reliably. I know how to define the component for inspection (lead pitch, lead count, dimensions, tolerances, etc.), and I know how to set ligh

DEK265 alignment out of range

Electronics Forum | Thu Mar 19 15:28:34 EDT 2020 | emeto

You are programing something wrong or your image is not in the center of the stencil. On DEK machines you can move a lot in Y by offseting the image in the program. In X machine can move +_5mm. Now, sometimes there is a way around this as well if yo

DEK265 alignment out of range

Electronics Forum | Wed Mar 25 11:09:08 EDT 2020 | sumote

Have you measured and input the "Distance To Image" setting correctly? If that number is off, you will get that error.

DEK265 alignment out of range

Electronics Forum | Fri Mar 20 02:10:03 EDT 2020 | weglimir

Hi Printer is DEK265GS if I remember correctly. It is definitely not a programing problem, I have 15 different screens which I've checked and all are working fine. It is also not a problem with Y shift, as I've compensated it with CUSTOM SCREEN o

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