Source: http://www.google.com/patents/US8003499?dq=4393663
Timestamp: 2014-03-16 12:01:56
Document Index: 39114039

Matched Legal Cases: ['Application No. 201010201368', 'Application No. 201010201368', 'Application No. 2009', 'Application No. 2002', 'Application No. 200810092402', 'Application No. 200500528', 'Application No. 200204609']

Patent US8003499 - Laser irradiating device, laser irradiating method and manufacturing method ... - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inAdvanced Patent SearchPatentsAn object of the present invention is to provide a method and a device for constantly setting the energy distribution of a laser beam on an irradiating face, and uniformly irradiating the laser beam to the entire irradiating face. Further, another object of the present invention is to provide a manufacturing...http://www.google.com/patents/US8003499?utm_source=gb-gplus-sharePatent US8003499 - Laser irradiating device, laser irradiating method and manufacturing method of semiconductor deviceAdvanced Patent SearchPublication numberUS8003499 B2Publication typeGrantApplication numberUS 11/640,336Publication dateAug 23, 2011Filing dateDec 18, 2006Priority dateAug 3, 2001Also published asCN1405861A, CN100392829C, CN101256947A, CN101256947B, CN101879658A, US7868267, US20030024905, US20070099401, US20110272385Publication number11640336, 640336, US 8003499 B2, US 8003499B2, US-B2-8003499, US8003499 B2, US8003499B2InventorsKoichiro TanakaOriginal AssigneeSemiconductor Energy Laboratory Co., Ltd.Export CitationBiBTeX, EndNote, RefManPatent Citations (109), Non-Patent Citations (13), Referenced by (1), Classifications (26) External Links: USPTO, USPTO Assignment, EspacenetLaser irradiating device, laser irradiating method and manufacturing method of semiconductor deviceUS 8003499 B2Abstract An object of the present invention is to provide a method and a device for constantly setting the energy distribution of a laser beam on an irradiating face, and uniformly irradiating the laser beam to the entire irradiating face. Further, another object of the present invention is to provide a manufacturing method of a semiconductor device including this laser irradiating method in a process. Therefore, the present invention is characterized in that the shapes of plural laser beams on the irradiating face are formed by an optical system in an elliptical shape or a rectangular shape, and the plural laser beams are irradiated while the irradiating face is moved in a first direction, and the plural laser beams are irradiated while the irradiating face is moved in a second direction and is moved in a direction reverse to the first direction. The plural laser beams may be irradiated while the irradiating face is moved in the first direction, and the plural laser beams may be irradiated while the irradiating face is moved in the direction reverse to the first direction, and the irradiating face may be also moved in the second direction.
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