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Process/Operation > Laser Exposure System > Overview > 1-Polygon 4-Laser Method
Process/Operation > Laser Exposure System > Overview > 1-Polygon 4-Laser Method
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1-Polygon 4-Laser Method
This method uses 1 scanner motor (polygon motor) and 4 laser diodes to execute laser
scanning. This method allows to emit the 4 lasers on the multi-facet mirror on one scanner
motor contributing to space-saving.
Following is the outline of the laser scanner unit.
[1]
[1]
[3]
drum
drum
drum
drum
Bk
C
M
Y
[2]
[4]
[1]
[1]
[3]
[2]
[5]
[1]
Reflection Mirror
[4]
Y/M Laser Driver
[2]
Polygon Mirror
[5]
C/Bk Laser Driver
[3]
Imaging Lens
F-2-45