Method of processing rock with laser and apparatus for the same

Details Method of processing rock with laser and apparatus for the same Method of processing rock with laser and apparatus for the same

B - Operations, Transporting

23

K

B23K 26/12 (2006.01) B23K 26/00 (2006.01) B23K 26/40 (2006.01)

Patent

CA 2673285

A method in which even when quartz glass or silicon dioxide is deposited as a molten dross by laser irradiation, boring can be conducted. Work object (100) at its laser irradiation position (12) is irradiated through liquid (31) with a laser of 1.2 µm or greater wavelength being high in liquid absorbability, for example, CO2 laser emitted from laser oscillator (20) so that while any molten dross is scattered off by high pressure occurring in bubbles in microbubble advancing flow (13) generated in the liquid, boring or other working of rock (100) is carried out.

L'invention concerne un procédé dans lequel un forage peut être effectué, même lorsque du verre de quartz ou de la silice est déposée sous la forme de crasse fondue par une irradiation au laser. Un objet à travailler (100) à sa position d'irradiation au laser (12) est irradié à travers un liquide (31) par un laser de longueur d'onde d'au moins 1,2 µm , à haute capacité d'absorption de liquide, par exemple, un laser à CO2 émis à partir d'un oscillateur laser (20), de telle sorte que, pendant que toute crasse fondue est dispersée par une pression élevée se produisant dans des bulles dans un écoulement avançant de micro-bulles (13) généré dans le liquide, un forage ou un autre travail de roche (100) est exécuté.

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