Rotary polygon mirror device

Details Rotary polygon mirror device Rotary polygon mirror device

1996-08-07

1997-11-25

Phan, James

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359198, 359216, 384107, G02B 2608

Patent

active

056918330

ABSTRACT:
In a rotary polygon mirror device comprising a cylinder rotatably supported for holding a polygon mirror and a casing over the outer peripheral surface of said cylinder through a predetermined gap, the thermal expansion coefficient of said casing is set for 1.2-1.6 times as large as that of said cylinder.

REFERENCES:
patent: 4934836 (1990-06-01), Tanaka et al.
patent: 5434695 (1995-07-01), Saito et al.

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