Controlled depth laser drilling system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Dec 6, 1988
Grant Date -
N/A
app pub date -
Jul 15, 1987
filing date -
Jul 15, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A controlled depth laser drilling system for a workpiece containing metallic conductors is provided having at least one laser beam (56 and/or 57 of FIG. 5) where a portion of the laser beam (44) will be reflected from the workpiece and back to a drilling depth monitoring means (43) containing optical means capable of reflecting a portion of the original and reflected laser beams into radiation detector means (46', 46' and/or 45', 45'), where the detector means are capable of converting the radiation received into a measurable electrical signals.
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