Laser direct imaging apparatus

Details Laser direct imaging apparatus Laser direct imaging apparatus

2011-06-28

2011-06-28

Allen, Stephone B (Department: 2872)

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

Reexamination Certificate

active

07969636

ABSTRACT:
A laser direct imaging apparatus which can expose photosensitive materials having various sensitivities and which can correct an imaging position in accordance with deformation of a workpiece. In the laser direct imaging apparatus, the workpiece is moved in a sub-scanning direction while a cylindrical lens is used to converge a laser beam, which has been modulated based on raster data, in the sub-scanning direction and deflect the laser beam toward a main scanning direction so as to image a desired pattern on the workpiece. The cylindrical axis of the cylindrical lens is designed to be able to rotate horizontally and to be able to change an angle with respect to the main scanning direction.

REFERENCES:
patent: 4131113 (1978-12-01), Fender et al.
patent: 4407571 (1983-10-01), Augusto et al.
patent: 2007-94122 (2007-04-01), None

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