Laser drilling system and method

Details Laser drilling system and method Laser drilling system and method

2004-10-01

2009-08-04

Heinrich, Samuel M (Department: 3742)

Electric heating

Metal heating

By arc

C219S121820, C219S121830, C101S037000, C198S340000, C198S341010, C198S493000, C264S400000, C347S224000

Reexamination Certificate

active

07569794

ABSTRACT:
The present invention provides a laser drilling system for drilling holes or cavities in a solid, in particular a solid dosage form. The system includes a loading zone, firing zone, inspection zone and delivery zone. The system also includes optional components such as a process validation system, solids detector, color detector, solids rejection/repositioning means, accepted products receptacle, rejected products receptacle and/or solids inspection system. Operation of the laser device in the firing zone and of other optional equipment is synchronized with movement of a continuous solids indexer by way of an electronic synchronizer. A solids handling system includes an optional fill level detector that directly or indirectly controls solids loading means that fills a solids reservoir. The system can be run continuously, semicontinuously or batchwise. A solids rejection system in the system provides for reduced solids loss as compared to other laser drilling systems and solids recovery rates of 100% can be achieved.

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