Rotating device and light beam deflecting apparatus

Details Rotating device and light beam deflecting apparatus Rotating device and light beam deflecting apparatus

1997-04-29

1999-08-31

Nguyen, Thong

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359198, 310 46, 310262, 384107, 384112, G02B 2608

Patent

active

059461225

ABSTRACT:
In a rotating device which comprises a rotor; a radial bearing; a lower thrust bearing; a dynamic pressure generating means, a radial bearing area (mm.sup.2) which is the area of the rotor facing the radial bearing, a thrust bearing area (mm.sup.2) which is the area of the rotor facing the lower thrust bearing, and the rotor weight (g) are determined so as to satisfy the following formula:

REFERENCES:
patent: 4958098 (1990-09-01), Sarraf
patent: 4984881 (1991-01-01), Osada et al.
patent: 5114245 (1992-05-01), Tanaka et al.
Search Report EP 97 10 7123.

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