Dynamic holographic display with cantilever

Details Dynamic holographic display with cantilever Dynamic holographic display with cantilever

1991-01-30

1992-09-29

Mintel, William

Optical: systems and elements

Prism

With reflecting surface

357 55, 357 45, 359 11, 359 32, 359 15, 359 22, 359 28, 359 35, H01L 3300

Patent

active

051517248

ABSTRACT:
A dynamic holographic display has an array of reflective surfaces formed on cantilever structures substantially parallel to the surface of a substrate, such as a silicon wafer. A holographic image is formed by controlling electrical currents passed through the cantilever structures to position the reflective surfaces of the cells in the array so the topography forms a hologram, and reflected light interferes to form a holographic image. In a preferred embodiment, control is by computer and positions of reflective surfaces are determined by calculation from dimensional data available to the control computer.

REFERENCES:
patent: 4990465 (1991-02-01), Liau et al.
patent: 4990986 (1991-02-01), Murakami et al.
patent: 5003357 (1991-03-01), Kim et al.
patent: 5028969 (1991-07-01), Kasahara et al.

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