Patent ID: 6818908
Filing Date: 2004-11-16
Classification: B23K,C03C,G03F

Abstract:
A photo machining apparatus comprising a patterning light source, a patterning irradiation means, and a machining light source, characterized in that said patterning light source is to emit light having a wavelength short enough for an inorganic transparent material to substantially generate light absorption, said patterning irradiation means is to irradiate the inorganic transparent material with said patterning light in a predetermined pattern matching to a shape to be machined, produce localized excitons in only the part where said inorganic material is irradiated with said patterning light in said predetermined pattern, and then generate new light absorption originated from said excitons, and said machining laser beam source is to irradiate said inorganic transparent material with a machining laser beam to allow said machining laser beam to be absorbed only in the part of said inorganic transparent material where said absorption is generated, thereby machining said inorganic transparent material.