Micro-machined mirror using tethered elements

Details Micro-machined mirror using tethered elements Micro-machined mirror using tethered elements

1999-01-13

1999-12-07

Phan, James

Optical: systems and elements

Deflection using a moving element

By moving a reflective element

359223, G02B 2608

Patent

active

059993030

ABSTRACT:
An optical head utilizes a micro-machined element in combination with a light source and a lens to write and read data onto a storage disk. The micro-machined element may include a tethered steerable micro-machined mirror. A beam of laser light transmitted from the light source to the optical head and a reflected light from the storage disk is altered by a movement of the micro-machined mirror. In this manner a focused optical spot is scanned back and forth in a direction which is approximately parallel to the radial direction of the storage disk.

REFERENCES:
patent: 5202785 (1993-04-01), Nelson
patent: 5444566 (1995-08-01), Gale et al.
patent: 5543956 (1996-08-01), Nakagawa et al.
patent: 5606447 (1997-02-01), Asada et al.
patent: 5629790 (1997-05-01), Neukermans et al.

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