Laser irradiation method, laser irradiation apparatus, and...

Details Laser irradiation method, laser irradiation apparatus, and... Laser irradiation method, laser irradiation apparatus, and...

2005-03-24

2010-10-12

Hoang, Tu B (Department: 3742)

Electric heating

Metal heating

By arc

C438S166000

Reexamination Certificate

active

07812283

ABSTRACT:
An object of the present invention is to provide a laser irradiation method and a laser irradiation apparatus for irradiating an irradiation surface with a linear beam having more homogeneous intensity by blocking a low-intensity part of the linear beam without forming the fringes due to the diffraction on the irradiation surface. In the laser irradiation, a laser beam emitted from a laser oscillator101passes through a slit102so as to block a low-intensity part of the laser beam, the traveling direction of the laser beam is bent by a mirror103,and an image formed at the slit is projected to an irradiation surface106by a convex cylindrical lens104.

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Office Action (Application No. 200580009439.X) Dated Jan. 4, 2008.
International Search Report for PCT/JP2005/006207dated Jul. 5, 2005.
Written Opinion for PCT/JP2005/006207 dated Jul. 5, 2005.

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