Laser drilling process for producing a plurality of holes in...

Details Laser drilling process for producing a plurality of holes in... Laser drilling process for producing a plurality of holes in...

B - Operations, Transporting

23

K

B23K 26/38 (2006.01) A61J 3/00 (2006.01) A61J 3/10 (2006.01) B23K 26/02 (2006.01) B23K 26/08 (2006.01)

Patent

CA 2247397

A laser drilling process forms a plurality of holes in a pharmaceutical dosage form (12). A high power carbon dioxide laser is steered by an acousto-optic beam deflector (16) with various mirrors (17, 18, 19) and lenses (22, 23, 33, 34, 35) to the dosage form to produce holes at rates up to 100,000 units per hour.

L'invention porte sur un procédé de perçage par laser formant des séries de trous dans des doses (212) de produits pharmaceutiques. Le laser de puissance du type CO2 est guidé par un déflecteur (16) de faisceau acoustico-optique, et plusieurs miroirs (17, 18, 19) et lentilles (22, 23, 33, 34, 35) vers les doses où il perce des trous à la cadence de 100 000 unités par heure.

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