Optical device and crystallization device

Details Optical device and crystallization device Optical device and crystallization device

2009-07-24

2010-11-09

Hasan, Mohammed (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By surface composed of lenticular elements

C359S618000, C359S622000

Reexamination Certificate

active

07830606

ABSTRACT:
An optical device comprises a first cylindrical lens array in which a plurality of first lens segments each having a first radius of curvature and a first width so as to divide laser light into a plurality of light components are arranged, and a plurality of second lens segments each having a second radius of curvature and a second width, and provided in at least one position of the first cylindrical lens array so as to be arranged between adjacent first lens segments.

REFERENCES:
patent: 6621639 (2003-09-01), Kahlert et al.
patent: 7215475 (2007-05-01), Woodgate et al.
patent: 7456371 (2008-11-01), Kasahara et al.
patent: 1139105 (2004-02-01), None
patent: 1 031 870 (2000-08-01), None
patent: 2000-306859 (2000-11-01), None
patent: 2005-311340 (2005-11-01), None
Masakiyo Matsumura, “Preparation of Ultra-Large Grain Silicon Thin-Films by Excimer-Laser”, Journal of the Surface Science Society of Japan, vol. 21, No. 5, May 2000, pp. 32-41 and two cover pages (with English Abstract).

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