Monolithic color wheel and process for fabrication of the same

Details Monolithic color wheel and process for fabrication of the same Monolithic color wheel and process for fabrication of the same

2007-08-07

2007-08-07

Boutsikaris, Leonidas (Department: 2872)

Optical: systems and elements

Absorption filter

Filters in optical parallel

C359S885000, C359S889000, C348S743000, C356S418000, C353S084000

Reexamination Certificate

active

11392834

ABSTRACT:
A method for fabricating a monolithic color wheel. The method includes (a) preparing a square transparent substrate; (b) forming a plurality of color filters on the square transparent substrate; and (c) cutting the square transparent substrate and the color filters together along a circular path, to form a color filter disk. Through these steps, a color filter disk of color wheel can be produced with better dynamic equilibrium quality, and will run more quietly and smoothly.

REFERENCES:
patent: 5371543 (1994-12-01), Anderson
patent: 6334924 (2002-01-01), Fukushima
patent: 2005/0030659 (2005-02-01), Asakawa

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