Digital micro-mirror device having improved contrast and...

Details Digital micro-mirror device having improved contrast and... Digital micro-mirror device having improved contrast and...

2007-02-27

2007-02-27

Mack, Ricky (Department: 2873)

Optical: systems and elements

Optical modulator

Having particular chemical composition or structure

C359S291000, C359S290000

Reexamination Certificate

active

10980363

ABSTRACT:
According to one embodiment of the present invention, a digital micro-mirror device having improved contrast and a method for the same are provided. The digital micro-mirror device includes a plurality of current-carrying conductors on an upper surface of a substrate, each current-carrying conductor having an upper surface; a low-reflectivity metal disposed upon the upper surfaces of the current-carrying conductors; first and second micro-mirrors forming an aperture above the substrate; and wherein the low-reflectivity metal disposed upon on the upper surfaces of the current-carrying conductors reduces reflection of light received through the aperture by the current-carrying conductors.

REFERENCES:
patent: 6282010 (2001-08-01), Sulzbach et al.
patent: 6958846 (2005-10-01), Huibers et al.

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