Owner's manual

Advanced Programming 7-17
34. Use the position controls to move the dispensing head to a location near the flip chip model.
 When you have actual parts placed on a workpiece, you do not want to teach the height
of the parts, but rather the height of the substrate onto which you will dispense. That is
why a location near the flip chip model is chosen.
35. Click on
Teach.

DO NOT click on Done. You do not have to exit this Edit Window yet.
36. From the Dispensing Elements toolbar, click on
Weight-Control Lines.
37. Enter
50 mg in the Total Weight text box and select Type 1 for the Line Style.
 This is the total weight to be dispensed at all locations where this pattern will be placed.
38. Use the position controls to move the camera crosshairs to the ULHC of the first flip chip
model in the top row of flip chip models.
 Use Chip Offset or reticles.
 NOTE Refer to 7.4.7 Chip Offset.
39. Click on
Teach.
40. Use the position controls to move the camera crosshairs to the URHC of the same flip chip.
 Use Chip Offset or reticles.
41. Click on
Teach.
42. Use the position controls to move the camera crosshairs to the LRHC of the same flip chip.
 Use Chip Offset or reticles.
43. Click on
Teach.
 Now you have to exit the Edit Window.
44. Click on
Done.
 A message box opens indicating the calculated line speed.
45. Click on
OK.
46. From the Program Commands toolbar, click on
Time and select Reset Multipass Timer.
 This will start the timer after the first line is dispensed.
47. Place the cursor on the second
END PASS and click on Time in the Program
Commands toolbar.
48. Select
Await Multipass Timer.
 The Await Multipass Timer instruction dialog box opens.
49. Type in
10 seconds.
 The system will wait for 10 seconds before beginning the next run.
 Set the timer according to how long your fluid takes to underfill the flip chip model.
50. Click on
OK.