Exposure apparatus

Details Exposure apparatus Exposure apparatus

2007-02-12

2009-12-15

Tran, Huan H (Department: 2861)

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

Reexamination Certificate

active

07633515

ABSTRACT:
In an exposure apparatus employing an over filled optical system, the light quantity distribution on a scanning plane is kept nearly constant for a plurality of scanning light quantities. It selects the light quantity of the light beam irradiated onto the photosensitive body from a plurality of levels, and sets the light quantity selected. According to the light quantity, it selects one of a plurality of correction current profiles, and supplies a light source with a current passing through the correction based on the correction current profile selected. Since the light quantity of the light beam irradiated onto the photosensitive body is corrected by the correction current, the light quantity of the light beam on the photosensitive body becomes nearly constant in the scanning direction.

REFERENCES:
patent: 9-197316 (1997-07-01), None
Computer-generated translation of JP 9-197316, published on Jul. 31, 1997, cited in the IDS filed on Feb. 12, 2007.

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