Electric heating – Metal heating – By arc
Patent
1996-01-22
1998-01-13
Evans, Geoffrey S.
Electric heating
Metal heating
By arc
2191218, B23K 2606
Patent
active
057082529
ABSTRACT:
A method for treating an object with a laser including emitting a laser beam from a laser; expanding the laser beam in a first direction; removing a portion of the laser beam though a mask, the portion including at least edges of the expanded laser beam extending in the first direction; and condensing the laser beam in a second direction orthogonal to the first direction in order to form a line-shaped laser beam on an object.
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Shinohara Hisato
Sugawara Akira
Brackett Jr. Tim L.
Evans Geoffrey S.
Ferguson Jr. Gerald J.
Semiconductor Energy Laboratory Co,. Ltd.
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