User guide

9-16 Advanced Programming
18. Click on Done.
> A message box opens indicating that the dispensing head is about to move to
the “Workpiece” origin.
The dispensing head will move after your response.
19. Click on OK.
20. Select U-pass from the Pattern Name text box.
> A message box opens indicating that the dispensing head is about to move to
the “U-pass” origin.
The dispensing head will move after your response.
21. Click on OK.
22. From the Program Commands toolbar, click on Pattern and select Pass Block.
> This is the command that allows you to re-use the fiducial and height sense
information for each pass, rather than perform the operation each time.
23. Enter 3 in the Number of passes text box and click on OK.
> Notice the program lines:
1 START PASS: FOR PASS 1
2 END PASS:
3 START PASS: FOR PASS 2
4 END PASS:
5 START PASS: FOR PASS 3
6 END PASS:
7 END
24. Place the cursor on the first END PASS.
25. Click on Process on the Program Commands toolbar.
26. Select Find Substrate Height.
> A Teach Window opens.
27. Use the Position Controls to move the dispensing head to a location near the flip
chip model on the Tutorial Board.
> Do not teach this point over a flip chip, when you actually have a die attached
in real applications. You want to teach the height of the substrate, not the parts
on the substrate.
28. Click on Teach.