Laser imageable tuned optical cavity thin film and printing plat

Details Laser imageable tuned optical cavity thin film and printing plat Laser imageable tuned optical cavity thin film and printing plat

1996-02-29

1997-11-25

Ryan, Patrick

Stock material or miscellaneous articles

Composite

428195, 428207, 428331, 428333, 428480, 428522, 428689, 428701, 428704, 428913, 430270, 430271, 430273, 430274, 101457, 1014631, 101476, B32B 900

Patent

active

056910630

ABSTRACT:
A laser imageable tuned optical cavity thin film for use with a laser producing laser radiation at a laser wavelength comprising a flexible sheet of plastic having first and second surfaces serving as a film substrate. A thin film stack is disposed on the first surface of the film substrate and comprises a first vacuum-deposited metal layer carried by the first surface. It is also comprised of a dielectric layer deposited on the first metal layer. A second semi-opaque metal layer is vacuum deposited onto the dielectric layer. The thin film stack is tuned to provide maximum absorption at the laser wavelength.

REFERENCES:
patent: 5188032 (1993-02-01), Lewis et al.
patent: 5192626 (1993-03-01), Sekiya et al.
patent: 5379698 (1995-01-01), Nowak et al.

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