Method and device for processing inside of transparent material

Details Method and device for processing inside of transparent material Method and device for processing inside of transparent material

2003-05-15

2008-08-12

Evans, Geoffrey S (Department: 1793)

Electric heating

Metal heating

By arc

C065S392000, C219S121680, C219S121690, C430S321000

Reexamination Certificate

active

07411151

ABSTRACT:
A shape with a substantially perfect circle is obtained as a processed shape such as a modified shape or a worked shape at a light focus point in a cross-section in a direction parallel to an advance direction of a femtosecond laser light beam. A section in a direction perpendicular to an advance direction of a laser light beam emitted from a femtosecond laser (10) is formed in a predetermined shaped. The laser light of which sectional shape in the direction perpendicular to the advance direction is formed in the predetermined shape is entered into a lens (14). The light is focused by the lens inside a transparent material (100) and processes the inside of the transparent material.

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