Engraving system and method comprising different engraving devices
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United States of America Patent
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Feb 19, 2002
Issued Date -
N/A
app pub date -
Dec 24, 1997
filing date -
Apr 26, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention relates to an engraving system and method for engraving a pattern using a plurality of engraving devices. The invention discloses apparatus and method for sequencing and engraving a plurality of engraving devices such that when the areas engraved by those heads meet they provide a continuous engraved pattern. The system and method also comprises an imaging system for imaging the engraved areas associated with each engraving head so that the heads or signals driving the heads may be adjusted to further facilitate providing engraved areas which appear as if they had been engraved by a single engraving head when, for example, the engraved area of one head meets the engraved area of another head. Also disclosed is a method for sequencing and transmitting image data associated with an image to be engraved in order to accommodate any cylindrical offset or the angular displacement between, for example, two engraving heads that are positioned in a generally opposed relationship. Finally, a single, multi-purpose engraving system and method are shown for both exposing resist on a workpiece and also engraving either the same or a different workpiece.
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