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US 6,262,388 B1Granted
Laser marking station with enclosure and method of operation
AssigneeMicron Electronics, Inc.
InventorsRobert L. Canella, Tony T. Ibarra
Life of this patent
Estimating the term…
Abstract
A laser marking station housing a laser marking head within a walled, substantially bottomless enclosure defining an opening into which a tray carrier bearing a tray of IC packages to be marked may be raised to place the tray at correct laser focal length and effect complete (laser) light containment within the enclosure using the tray carrier to effect closure of the opening. A lift mechanism for raising the tray carrier into the enclosure is also disclosed.
Claims33
A laser marking station, comprising:
- a substantially bottomless enclosure;
- a transport actuator located at least in part below the substantially bottomless enclosure and configured to position a tray transport underneath a downward facing opening into the substantially bottomless enclosure;
- and
- at least one laser marking head housed within the substantially bottomless enclosure.
1 more element
A method of operating a laser marking station, comprising:
- providing a substantially bottomless enclosure having at least one laser marking head disposed therein;
- providing a carrier on which a tray having a plurality of IC packages therein is disposed;
- disposing the carrier below the substantially bottomless enclosure;
- and
- raising the carrier at least partially into the substantially bottomless enclosure.
2 more elements
Dependencies are inferred from the claim text.