Optical scanning system

Details Optical scanning system Optical scanning system

1997-04-15

1999-06-22

Phan, James

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359204, 359205, 359207, 359216, G02B 2608

Patent

active

059148004

ABSTRACT:
A predetermined relationship has been found between a number of beams and a ratio a between magnifications in an sub scanning direction. During scanning with a small number of beams, the allowable range of magnification ratio becomes comparatively large. During scanning with a large number of beams, the allowable range of magnification ratio is around 1. By setting the magnification ratio a in the sub scanning direction so as to satisfy the aforementioned allowable ranges, printing with less pitch error can be implemented even with a small magnification.

REFERENCES:
patent: 5245462 (1993-09-01), Kanai et al.
patent: 5251055 (1993-10-01), Koide

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